## http://www.q-chem.com/

Single Node Unix Workstations
See supported platforms here
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## The Ultimate Quantum Solution to Problems of All Sizes

Q-Chem is a comprehensive ab initio quantum chemistry package. Its capabilities range from the highest performance DFT/HF calculations to high level post-HF correlation methods. Q-Chem tackles a wide range of problems in commercial, academic and government laboratories, including:
 Molecular Structures Chemical Reactions Molecular Vibrations Electronic Spectra NMR Spectra Solvation Effects
Q-Chem provides users with some distinct advantages:
• Fast DFT calculations with accurate linear scaling algorithms
• A wide range of post-HF correlation methods that are efficient and unique
• Quantum calculations extended with QM/MM and molecular dynamics
• Detailed description in Q-Chem paper

## How to Obtain Q-Chem

Q-Chem is available in two ways: