In JChem for Excel, chemical structures are stored on a hidden structure sheet. With this option group, the properties of this worksheet can be specified.
The figure below shows the structure sheet options of JChem for Excel.
Auto Clear Structure Sheet
If you delete a structure from your active worksheet, it can be still remembered on the hidden structure sheet in an encoded format.
By using this option, you can specify whether you like to permanently remove the deleted structures from the hidden sheet or not.
The possible values for this option are as follows:
The default value of this option is Default.
Structures that are permanently removed from the hidden sheet cannot be converted back from the hash code.
Structure Sheet Type
Use this option to specify the default structure sheet type.
The available types are as follows:
The default value of this option is Normal.