MRCC_LEVEL

Maximum excitation level. This is used ONLY if it is explicitly set by the user. Single-reference case: all excitations up to this level are included, e.g., 2 for CCSD, 3 for CCSDT, 4 for CCSDTQ, etc. This becomes ex.lev (option #1) in fort.56.

• Type: integer

• Default: 2