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| − | !Visual Cue
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| − | !Narration
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| − | |-
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| − | ||'''Slide Number 1'''
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| − | ||Hello everyone.
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| | | | |
| − | Welcome the tutorial on '''Editing Molecules''' in '''GChemPaint'''.
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| − | |-
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| − | ||'''Slide Number 2'''
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| − |
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| − | '''Learning Objectives'''
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| − | ||In this tutorial, we will learn to
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| − |
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| − | * Add unbound electrons on an atom
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| − |
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| − | * Draw Carbonic acid and Sulphuric acid structures.
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| − |
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| − | * Add and modify a local charge on a group of atoms
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| − |
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| − | * Add and modify a local charge on an atom
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| − |
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| − | * Add cyclic molecules
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| − |
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| − | * Convert monocyclic molecules to bicyclic molecules.
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| − | |-
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| − | ||'''Slide Number 3'''
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| − |
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| − | '''System Requirement'''
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| − | ||Here I am using
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| − |
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| − | '''Ubuntu Linux''' OS version. 12.04
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| − |
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| − | '''GChemPaint''' version 0.12.10
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| − | |-
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| − | ||'''Slide Number 4'''
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| − |
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| − | '''Pre-requisites'''
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| − | ||To follow this tutorial you should be familiar with,
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| − |
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| − | '''GChemPaint''' chemical structure editor.
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| − | If not, for relevant tutorials, please visit our website.
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| − | |-
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| − | || Switch to '''GChemPaint''' application.
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| − | ||I have opened a new '''GChemPaint''' application.
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| − | |-
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| − | ||
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| − | ||Let's first draw an '''Ammonia''' structure.
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| − | |-
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| − | ||Point to '''Periodic table combo''' button.
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| − | ||For this I will use the '''Periodic table combo''' button.
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| − | |-
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| − | ||Click on '''Current element''' drop down arrow button.
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| − | ||Click on '''Current element''' drop down arrow button.
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| − | |-
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| − | ||Select '''N'' from the table.
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| − | ||Select '''N''' from the table.
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| − | |-
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| − | ||Point to '''N'''
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| − | ||Observe '''N''' in the tool box.
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| − | |-
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| − | ||Click on '''Add or modify an atom''' tool>> click on '''Display area'''.
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| − | ||Click on '''Add or modify an atom''' tool.
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| − |
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| − | Then click on '''Display area'''.
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| − | |-
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| − | ||Point to '''NH3'''
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| − | ||Observe '''NH3''' on the '''Display area'''.
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| − | |-
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| − | ||Press capital '''H'''.
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| − |
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| − | Point to the '''Submenu'''.
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| − | ||Press capital '''H'''.
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| − |
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| − | A '''Submenu''' with a list of elements starting with '''H''' appears.
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| − | |-
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| − | ||Select '''H''' from the list.
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| − | ||Select '''H''' from the list.
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| − | |-
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| − | ||Click on '''Add a bond or change the multiplicity of the existing one''' tool>>Click thrice on the '''Nitrogen''' atom.
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| − | ||Click on '''Add a bond or change the multiplicity of the existing one''' tool.
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| − |
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| − | Click and drag the bond thrice on '''Nitrogen''' atom.
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| − | |-
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| − | ||Point to the bonds
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| − | ||Orient the three bonds to form a '''Pyramid''' like structure.
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| − | |-
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| − | ||
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| − | ||Let's add a pair of unbound electrons on '''Nitrogen''' atom.
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| − | |-
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| − | ||Click on '''Add an electron pair to an atom''' tool>> click on the '''Nitrogen''' atom.
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| − | ||Click on '''Add an electron pair to an atom''' tool.
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| − | Then click on '''Nitrogen''' atom of '''Ammonia'''.
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| − |
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| − | Observe the changes.
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| − | |-
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| − | ||Point to the unbound electrons.
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| − | ||Note that '''Nitrogen''' of '''Ammonia''' has a pair of electrons that do not take part in bonding.
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| − |
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| − | This pair of electrons is '''lone pair'''.
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| − | |-
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| − | ||
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| − | ||Let's now draw ''''Carbonic acid(H2CO3)''' and '''Sulphuric acid(H2SO4)''' structures on the same window.
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| − | |-
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| − | ||Slide Number
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| − | Structures of '''Carbonic acid''' and '''Sulphuric acid'''.
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| − | ||Here is a slide for the structures of '''Carbonic acid''' and '''Sulphuric acid'''.
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| − | |-
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| − | ||
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| − | ||Let's move '''Ammonia(NH3)''' structure to aside.
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| − | |-
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| − | ||Click on '''Select one or more objects''' tool>>Click on the structure and drag to aside
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| − | ||Click on '''Select one or more objects''' tool.
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| − |
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| − | Click on the structure and drag to aside
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| − | |-
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| − | ||
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| − | ||Let's first draw '''Carbonic acid''' structure.
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| − | ||Click on the '''Current element''' arrow button>>Select '''C''' from the table.
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| − | ||Click on the '''Current element''' arrow button.
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| − |
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| − | Select '''C''' from the table.
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| − | |-
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| − | ||Click on '''Add a bond or change the multiplicity of the existing one''' tool.
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| − | ||Click on '''Add a bond or change the multiplicity of the existing one''' tool.
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| − | |-
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| − | ||Click on the '''Display area'''.
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| − |
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| − | Point to the orientation
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| − | ||Click on the '''Display area'''.
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| − |
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| − | Orient three bonds in such a way that they form an inverted Y.
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| − | |-
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| − | ||Point to the fourth bond.
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| − | ||Let's draw fourth bond as a double bond to any one of the bonds.
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| − | |-
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| − | ||Click on '''Periodic table Combo''' button
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| − | ||Now click on '''Periodic table Combo''' button
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| − | |-
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| − | ||Select '''O'''.
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| − | ||Select '''O'''.
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| − | |-
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| − | ||Click on '''Add or modify an atom''' tool
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| − | ||Click on '''Add or modify an atom''' tool
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| − | |-
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| − | ||Point to the cursor.
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| − | ||Place the cursor near the bonds.
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| − | |-
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| − | ||Click on the bond positions.
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| − | ||Click on the three bond positions.
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| − |
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| − | '''Carbonic acid(H2CO3)''' structure is drawn.
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| − | |-
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| − | ||
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| − | ||Let's draw the '''Sulphuric acid''' structure.
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| − | ||Click on '''Periodic table Combo''' button.
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| − | ||Click on '''Periodic table Combo''' button.
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| − | |-
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| − | ||Select '''S'''
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| − | ||Select '''S'''
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| − | |-
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| − | ||Click on '''Add or modify an atom''' tool>>Click on the '''Display area'''.
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| − | Point to H2S.
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| − | ||Click on '''Add or modify an atom''' tool.
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| − | Click on the '''Display area'''.
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| − | Observe '''H2S'''.
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| − | |-
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| − | ||Press capital '''O'''
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| − |
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| − | A '''Submenu''' with '''O''' and '''Os''' opens.
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| − | ||Press capital '''O'''
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| − | A '''Submenu''' with '''O''' and '''Os''' opens.
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| − | |-
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| − | ||Select '''O'''.
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| − | ||Select '''O'''.
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| − | ||Click on '''Add or modify an atom''' tool>> click on '''Add a bond or change the multiplicity of the existiing one''' tool.
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| − | ||Click on '''Add or modify an atom''' tool.
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| − | Then click on '''Add a bond or change the multiplicity of the existing one''' tool.
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| − | ||Click on '''H2S''' to draw the three bonds of '''OH''' to '''S'''.
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| − | ||Click on '''H2S''' to draw the three bonds of OH to '''S'''.
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| − | ||Click on '''S''' and drag the bond to a side without releasing the mouse.
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| − | ||To draw the fourth '''OH''' bond,
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| − |
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| − | click on '''S''' and drag the bond to a side without releasing the mouse.
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| − | |-
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| − | ||
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| − | ||Let's convert the opposite '''OH''' bonds as double bonds as shown in the slide.
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| − | ||Click on '''Add a bond or change the multiplicity of the existiing one''' tool>>click on the existing bonds.
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| − | ||Click on '''Add a bond or change the multiplicity of the existing one''' tool.
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| − |
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| − |
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| − | Then click on the opposite existing bonds of the structure.
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| − |
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| − | '''Sulphuric acid''' structure is drawn.
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| − | ||
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| − | ||Next let's add a local charge on the '''Carbonic acid''' and '''Sulphuric acid''' structures.
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| − | ||Click on '''Decrement the charge of an atom''' tool.
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| − | ||To show local charge on '''Carbonic acid'''.
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| − |
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| − | Click on '''Decrement the charge of an atom''' tool.
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| − | ||Click on two '''O-H''' groups.
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| − | ||Click on the two '''O-H''' groups of the '''Carbonic acid'''.
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| − | Observe that '''Carbonate ion''' is formed.
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| − | ||Click on '''Decrement the charge of an atom''' tool.
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| − | ||To show local charge on '''Sulphuric acid''' structure.
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| − |
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| − | Click on '''Decrement the charge of an atom''' tool.
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| − | ||Click on the two opposite '''O-H''' groups.
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| − | ||Click on the two opposite '''O-H''' groups of '''Sulphuric acid'''.
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| − |
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| − | Observe that '''Sulphate''' is formed.
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| − | ||'''Slide Number 5'''
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| − | '''Assignment'''
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| − | ||* Draw '''Nitric acid''' structure(HNO3)
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| − |
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| − | * Show the local charge on the '''Nitrate ion'''(NO3-)
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| − |
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| − | Your output should look like this.
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| − | ||
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| − | ||Let's now show the charges on '''Sodium''' and '''Chlorine''' atoms.
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| − | |-
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| − | ||Press capital ''N'''.
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| − |
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| − | Point to the '''Submenu'''
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| − | ||Press capital ''N'''.
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| − |
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| − | A '''Submenu''' opens in which let's select '''Na'''.
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| − | ||Click on '''Add or modify an atom''' tool>>Click on the '''Display area'''.
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| − | ||Click on '''Add or modify an atom''' tool.
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| − |
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| − | Click on the '''Display area'''.
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| − | Na atom is displayed on the '''Display area'''.
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| − | ||Click on '''Increment the charge of a atom''' tool>>Click on '''Na'''.
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| − | ||Click on '''Increment the charge of an atom''' tool.
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| − | Then Click on '''Na'''.
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| − |
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| − | Observe a positive charge on the '''Sodium''' atom.
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| − | |-
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| − | ||Point to the list
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| − | ||Likewise press capital '''C'''.
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| − | A '''Submenu''' opens in which let's select '''Cl'''.
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| − | ||Click on the ''''Display area'''.
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| − | ||Click on the '''Display area'''.
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| − |
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| − | Observe '''HCl''' on the '''Display area'''.
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| − | ||Click '''Decrement the charge of a atom''' tool>>Click on '''HCl'''.
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| − | ||Click '''Decrement the charge of an atom''' tool.
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| − | Click on '''HCl'''.
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| − |
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| − | Observe a negative charge on the '''Chlorine''' atom.
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| − | ||Click on '''Periodic table combo''' button.
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| − | ||Let's change the current element to '''Carbon'''.
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| − | Click on '''Periodic table combo''' button.
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| − | |-
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| − | ||
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| − | ||Now let's learn to draw '''Cyclic''' molecules.
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| − | ||Click on '''Create a new file''' icon on the toolbar.
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| − | ||Let's open a new window.
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| − | Click on '''Create a new file''' icon on the toolbar.
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| − | |-
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| − | ||Point to the tool box
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| − |
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| − | Point to differenet tools
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| − | ||Observe different cycle tools on tool box.
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| − | * '''Add a three membered cycle'''
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| − | * '''Add a four membered cycle'''
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| − |
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| − | * '''Add a five membered cycle'''
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| − |
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| − | * '''Add a six membered cycle'''
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| − |
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| − | * '''Add a seven membered cycle'''
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| − |
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| − | * '''Add a eight membered cycle'''
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| − |
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| − | * '''Add a cycle'''.
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| − | ||Let's now add a four membered cycle to the '''Display area'''.
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| − | ||Click on '''Add a four membered cycle''' tool>>Click on the '''Display area'''.
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| − | ||Click on '''Add a four membered cycle''' tool.
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| − | Click on the '''Display area'''.
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| − | ||
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| − | ||Let's now add atoms to the cycle at the corners.
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| − | ||Right click on any one of the corners>>A '''Submenu''' opens.
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| − | ||Right click any one of the corners.
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| − | A '''Submenu''' opens.
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| − | ||Select '''Atom'''>>Then click on '''Display symbol'''.
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| − | ||Select '''Atom'''.
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| − | Then click on '''Display symbol'''.
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| − | |-
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| − | ||Point to the corners.
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| − | ||Likewise let's add atoms on all the corners. Obtained structure is '''Cyclobutane'''.
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| − | ||
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| − | ||Let's now convert a monocyclic compoud to bicyclic compoud.
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| − | ||Click on '''Add a six membered cycle''' tool>> click on the '''Display area'''.
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| − | ||Click on '''Add a six membered cycle''' tool.
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| − | Then click on the '''Display area'''.
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| − | ||Click on the cycle bond
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| − | ||Place the cursor on the cycle's bond and click again.
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| − |
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| − | Observe the '''Bicyclic compound'''.
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| − | ||Click on '''Save the current file''' icon on the toolbar.
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| − | ||To save the file,
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| − | Click on '''Save the current file''' icon on the toolbar.
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| − | ||'''Save as''' dialog box opens.
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| − | ||'''Save as''' dialog box opens.
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| − | ||Enter the filename as '''Editing Molecules'''>>Click on '''Save''' button.
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| − | ||Enter the filename as '''Editing Molecules'''
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| − |
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| − | Click on '''Save''' button.
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| − | |-
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| − | ||
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| − | ||Let's summarize what we have learnt.
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| − | ||'''Slide Number 6'''
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| − | '''Summary'''
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| − | ||In this tutorial, we have learnt to,
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| − |
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| − | * Add ubound electrons on an atom
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| − |
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| − | * Draw Carbonic acid and Sulphuric acid structures.
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| − |
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| − | * Add and modify a local charge on a group of atoms
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| − |
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| − | * Add and modify a local charge on an atom
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| − |
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| − | * Add cyclic molecules
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| − |
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| − | * Convert monocyclic molecules to bicyclic molecules.
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| − | |-
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| − | ||'''Slide Number 7'''
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| − |
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| − | '''Assignment'''
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| − | ||As an assignment
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| − | * Add cycloheptane ring to the Display area
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| − | * Change it to tricyclic compound.
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| − | Your completed assignment's output should look like this.
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| − | ||'''Slide Number 8'''
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| − |
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| − | '''Acknowledgement'''
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| − | ||Watch the video available at this URL.
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| − |
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| − | http://spoken-tutorial.org/ What_is_a_Spoken_Tutorial
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| − |
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| − | It summarises the Spoken Tutorial project.
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| − |
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| − | If you do not have good bandwidth, you can download and watch it.
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| − | |-
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| − | ||''' Slide Number 9'''
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| − | ||The Spoken Tutorial Project Team:
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| − |
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| − | Conducts workshops using spoken tutorials
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| − |
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| − | Gives certificates to those who pass an online test
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| − |
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| − | For more details, please write to
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| − | '''contact@spoken-tutorial.org '''
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| − | |-
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| − | ||'''Slide number 10'''
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| − | ||Spoken Tutorial Project is a part of the Talk to a Teacher project
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| − | It is supported by the National Mission on Education through ICT, MHRD, Government of India
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| − |
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| − | More information on this Mission is available at this link '''http://spoken-tutorial.org/NMEICT-Intro '''
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| − |
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| − | This is '''Madhuri Ganapathi''' from '''IIT Bombay''' signing off. Thank you for joining.
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| − | |-
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