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Q-Chem 5.2 User’s Manual
1
Introduction
2
Installation, Customization, and Execution
3
Q-Chem
Inputs
4
Self-Consistent Field Ground-State Methods
5
Density Functional Theory
6
Wave Function-Based Correlation Methods
7
Open-Shell and Excited-State Methods
8
Basis Sets
9
Effective Core Potentials
10
Exploring Potential Energy Surfaces: Critical Points and Molecular Dynamics
11
Molecular Properties and Analysis
12
Molecules in Complex Environments: Solvent Models, QM/MM and QM/EFP Features, Density Embedding
13
Fragment-Based Methods
A
Geometry Optimization with
Q-Chem
B
AOInts
C
Q-Chem
Quick Reference
C.1
Q-Chem
Text Input Summary
C.2
Geometry Optimization with General Constraints
C.3
$rem
Variable List
C.3.1
General
C.3.2
SCF Control
C.3.3
DFT Options
C.3.4
Large Molecules
C.3.5
Correlated Methods
C.3.6
Correlated Methods Handled by CCMAN and CCMAN2
C.3.7
Perfect pairing, Coupled cluster valence bond, and related methods
C.3.8
Excited States: CIS, TDDFT, SF-XCIS and SOS-CIS(D)
C.3.9
Excited States: EOM-CC and CI Methods
C.3.10
Geometry Optimizations
C.3.11
Vibrational Analysis
C.3.12
Reaction Coordinate Following
C.3.13
NMR Calculations
C.3.14
Wave function Analysis and Molecular Properties
C.3.15
Symmetry
C.3.16
Printing Options
C.3.17
Resource Control
C.4
Alphabetical Listing of
$rem
Variables
References and Further Reading
C.3
$rem
Variable List
C.3.6
Correlated Methods Handled by CCMAN and CCMAN2
C.3.8
Excited States: CIS, TDDFT, SF-XCIS and SOS-CIS(D)
C.3.7
Perfect pairing, Coupled cluster valence bond, and related methods
CCVB_METHOD
CCVB_GUESS
GVB_N_PAIRS
GVB_LOCAL
GVB_ORB_MAX_ITER
GVB_RESTART
GVB_ORB_CONV
GVB_ORB_SCALE
GVB_AMP_SCALE
GVB_DO_SANO
GVB_PRINT