Sir,i dont know how to run QM can you tell me how can i run QM for these
ligands if you have some tutorial regarding this QM please let me know
On Mon, Mar 9, 2009 at 1:40 PM, FyD <fyd.q4md-forcefieldtools.org> wrote:
> Dear bharat lakhani,
>
> As You told me previously that in which sturctures u
>> have sulphru and chlorine.i mentioned those structures previously and now
>> i
>> am again sending you.But i did get any reply from your side.
>>
>
> Yes sorry. This is difficult to answer you because one needs to work on the
> structures to see the error messages & missing FF parameters.
>
> please help me
>> out sir.In my structures there are sulfa drugs like
>> sulfanilamide,pencillin
>> g,sulfathiazole,pencillin v,Sulfamethoxazole,Pencillin V and the structure
>> which have chlorine Chlorpropamide,Tigecycline,Aureomycin I am looking for
>> these above force field parameters
>>
>
> Did you already get the atomic charges for those molecules ?
> You did not talk about the charges; only about FF parameters...
>
> Did you load your structures in LEaP, and what are the missing FF
> parameters ?
>
> I think you need to generate your own charges + the missing FF parameters.
> * optimized by QM all your structures
> * run R.E.D. or Antechamber to get the charges // FF parameters
> * run LEaP to save the prmtop/prmcrd files for all your structures.
>
> I am not sure I help you a lot here...
>
>
> regards, Francois
>
>
>
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Received on Wed Mar 11 2009 - 01:07:34 PDT
