Structure Tab

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Name

Description

MarvinSketch

Highlight Valence Errors

Highlights atoms having wrong valences with a red underline when it is checked.

Automatic Lone Pair Calculation

Calculates lone pairs automatically. Make sure View > Misc > Lone Pairs is checked to see the result.

Automatic Plus Signs in Single Step Reactions

Enables automatic reaction recognition.

For more information, see Creating Reactions.

Validate S-groups At Creation

Disables the S-group types in the drop-down list which would not yield a chemically correct structure.

For more information, see Substructure Groups in MarvinSketch.

MarvinView

Highlight Valence Errors

Highlights atoms having wrong valences with a red underline in MarvinView.

General Settings

Show Lone Pair as Line

When checked, lone pairs on the canvas are shown as lines.

Show Charge in Circle

When checked, a circle is displayed around the charge.

Carbon Labels

Always

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Never

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At straight angles and implicit H atoms

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Ligand Orders

Always

Always display the ligand order information for an R-group.

Never

Never display the ligand order information for an R-group.

On R-groups with definitions

Only display the ligand order information on R-groups with definitions.