Sigma

Overview

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Features

• Calculates the Hammett electronic substituent constant (s, sigma) for selected fragments of a molecule, or substituents
• Calculates only inductive and resonance sigma constants (option)

Interface

File:sigma.png

1. Click and drag the mouse cursor in the Structure pane to select a fragment of a structure. The selected fragment is highlighted in blue.
2. Calculated the Hammett electronic substituent constant (s, sigma) for the selected fragment.

Technical information

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