:term:`CFOUR_THERMOCHEMISTRY <CFOUR_THERMOCHEMISTRY (CFOUR)>`
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      Specifies whether to calculate finite-temperature thermodynamic corrections after a frequency calculation. OFF (=0) skips this; ON (=1) gives abbreviated output; and VERBOSE (=2) gives elaborate output that is separated by translation, rotation and vibration. Default: ON (currently not available in public version)

      * **Type**: string
      * **Possible Values**: OFF, ON, VERBOSE
      * **Default**: ON