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RASPA => Input files and parameters => Topic started by: Junran Lu on April 04, 2018, 11:31:19 AM

Title: Minimization
Post by: Junran Lu on April 04, 2018, 11:31:19 AM
Hi, David Professor:
Those structures in RASPA sub-directory, for instance, FAU.cif, MFI_SI.cif, MOR.cif and so on, are minimized by Minimization task? Besides, I found that  in the examples on Minimization task, the options "FlexibleFramework and FrameworkDefinitions" are declared. and those options are mandatory in Minimization task?
Thank you very much!
Title: Re: Minimization
Post by: David Dubbeldam on April 05, 2018, 11:13:39 AM
These structures are either from experiment (published in the literature) or from the IZA website.

If you want to minimize a zeolite or MOF structure, then you need a forcefield for it (and a good one).
So yes, options "FlexibleFramework and FrameworkDefinitions" need to be there and FrameworkDefinitions.def needs to contain a good force field for the framework.

If you want to minimize molecules inside the framework, the you can keep the framework fixed and "FlexibleFramework and FrameworkDefinitions" are not needed.
Title: Re: Minimization
Post by: Junran Lu on April 10, 2018, 04:35:53 AM
Hi, David Professor, I am sorry to reply so late. Thanks for your suggestions.