C Q-Chem Quick Reference

C.1 Q-Chem Text Input Summary

(June 30, 2021)
  • Users are able to enter input sections in any order; see Table 3.1 for a complete list of input sections.

  • Each input section must be terminated with $end.

  • Not all input sections are required, but $rem and $molecule are compulsory.

  • The entire Q-Chem input is case-insensitive.

  • Multiple jobs are separated by the string @@@ on a single line.