Download Q-Chem 5.0.1

Q-Chem is a comprehensive ab initio quantum chemistry software for accurate predictions of molecular structures, reactivities, and vibrational, electronic and NMR spectra. The new release of Q-Chem 5 represents the state-of-the-art of methodology from the highest performance DFT/HF calculations to high level post-HF correlation methods.

  • Fully integrated graphic interface including molecular builder, input generator, contextual help and visualization toolkit (See amazing image below generated with IQmol; multiple copies available free of charge);
  • Dispersion-corrected and double hybrid DFT functionals;
  • Faster algorithms for DFT, HF, and coupled-cluster calculations;
  • Structures and vibrations of excited states with TD-DFT;
  • Methods for mapping complicated potential energy surfaces;
  • Efficient valence space models for strong correlation;
  • More choices for excited states, solvation, and charge-transfer;
  • Effective Fragment Potential and QM/MM for large systems;

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