:term:`CFOUR_GEO_MAXSTEP <CFOUR_GEO_MAXSTEP (CFOUR)>`
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      Specifies largest step (in millibohr) which is allowed in geometry optimizations. **PSI4 Interface:** Geometry optimizations run through PSI (except in sandwich mode) use PSI's optimizer and so this keyword has no effect. Use :ref:`optking <apdx:optking>` keywords instead, particularly :term:`INTRAFRAG_STEP_LIMIT <INTRAFRAG_STEP_LIMIT (OPTKING)>` 

      * **Type**: integer
      * **Default**: 300

