User guide

To add or remove a terminal carbon label, right-click the atom and select or deselect Show Terminal Carbon
Labels.
Chemical significance
By default, captions are considered to be chemically significant, if possible. For example, if you create a label like
"CH3OH”, you will be able to attach bonds to it (and it will be modified appropriately) even though you may have
intended it to be a label, not a molecule. Moreover, it’s values are included in the Analysis Window. The labels with
incorrect valences will be marked with a red box. To remove the red box, do the following:
1. Select the label with the selection tool.
2. Right-click and deselect Interpret Chemically option in the context menu.
To activate chemical significance, right-click the label and select Interpret Chemically.
Analysis data
You can add properties from the Analysis Window to a caption and, if Auto-update is on, the values will update as you
modify the structure. For more information on Auto-update, see "Auto update" on page 124.
To add analysis data to a caption:
1. Right-click the structure and select Analysis from the context menu.
2. Choose the properties to add.
Drawing rings
The Main Tools palette contains the following ring tools that enable you to draw ring sizes and types:
ChemBioDraw 13.0
Chapter 3: Basic drawings 26 of 401