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ICM GUI Manual
ICM Manual v.3.9
Copyright © 2026, Molsoft LLC
Nov 12 2026
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Contents
Introduction
Help Videos
Reference Guide
Getting Started
Protein Structure
Molecular Graphics
Slides & ActiveICM
Sequences & Alignments
Protein Modeling
Cheminformatics
Learn and Predict
Docking & Screening
Ligand-Based Screening
Peptides, Proteins & PROTACs
Molecular Dynamics
Quantum Mechanics
Quantum Mechanics Introduction
Quantum Geometry Optimization
Minimize/Evaluate Conformers
Quantum Torsion Scan
Set Atomic Partial Charges
Color by QM Electrostatic Potential
MolScreen
3D Ligand Editor
Tables and Plots
Local Databases
ICM-Scarab
KNIME
Tutorials
FAQs
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ICM User's Guide
16 Quantum Mechanics
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Chapter Contents
16.1
Introduction to Quantum Mechanics Using Psi4 IN ICM
16.2
Quantum Geometry Optimization
16.3
Minimize/Evaluate Conformers
16.4
Quantum Torsion Scan
16.5
Set Atomic Partial Charges
16.6
Color by Quantum Mechanical Electrostatic Potential
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Quantum Mechanics Introduction