modified on 12 August 2010 at 18:24 ••• 7,083 views

Qmmm method

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method   [method1]  [method2]  [method3]

This directive controls which optimization algorithm will be used for the regions as defined by regions directive. The allowed values are "bfgs" aka driver, "lbfgs" limited memory version of quasi-newton, and "sd" simple steepest descent algorithm. The use of this directive is not recommended in all but special cases. In particular, "bfgs" should be used for QM region if there are any constraints, "sd" method should be always used for solvent.