To edit the style of the structure(s), open the Edit Structure Style window using one of the following methods:
Choose File > Edit Structure Style or Edit > Edit Structure Style.
Right click in the drawing area and choose Edit Structure Style from the Drawing Area Pop-Up Menu.
Use this dialog box for specifying various structure characteristics.
The Size/Distances tab includes the following:
Line width
Bond length
Bold bond width
Double bond spacing
Hash bond spacing
Dash bond spacing
Arrowhead length
Arrowhead width
White space around labels
Bracket width
Symbol size
Symbol spacing
Benzene ring size
The Fonts and Colors tab includes the following:
Set Font for
Font name
Font size
Subscript size
Offset percentage
Bold, Italic, Formula, Underline
Object Color
Background Color