How stupid I am!   Thanks Fredrik, that fix the problem.
So thanks anyone for helping me.

alchemist








 -------- Оригинално писмо --------

От: Fredrik Wallner fred...@wallner.nu

Относно: Re: [Open Babel] obminimize

До: Оги Боги  

Изпратено на: Четвъртък, 2013, Февруари 28 14:59:46 EET



 
 
  Hi,
   
   

   
   
   You should have two dashes before ff, that is

    obabel orig.sdf -O
 result.sdf --minimize --sd --ff MMFF94 
   
   
    
 
   
   
   /Fredrik
   
   
   

    
     
     28 feb 2013 kl. 13:25 skrev Оги Боги <
      alchemist...@abv.bg >:
     
     
     
      
       Thank you, Chris
      
It seems that it works fine now. But I would like to change force field. Ho to 
do that? I tried
      

      

       obabel orig.sdf -O
 result.sdf --minimize --sd -ff MMFF94 
      

      
but openbabel says:
      

       Cannot read input format "" for file "MMFF94" 
      

      
Could anyone tell me how to change force field?
      
alchemist
      

      

      

      
 -------- Оригинално писмо -------- 
      
От: Chris Morley 
       c.mor...@gaseq.co.uk  
      
Относно: Re: [Open Babel] obminimize 
      
До: 
       openbabel-discuss@lists.sourceforge.net  
      
Изпратено на: Четвъртък, 2013, Февруари 28 12:07:12 EET 
      

      
On 28/02/2013 07:48, Оги Боги wrote:
      
 > Thank you guys for your answer. I tried what you said but the output is
      
 > not a sdf file. How to format it in order to obtain normal sdf file?
      
 
      
 An alternative way of accessing the same functionality is to use the 
      
 --minimize op with obabel, which provides more flexibility in the input 
      
 and output. So, for instance,
      
 
      
 obabel orig.sdf -O result.sdf --minimize -f1 -l2
      
 
      
 will optimize the first two molecules in orig.sdf and output to 
      
 result.sdf. Type obabel -L minimize for more details.
      
 
      
 Chris
      
 
      
 
      
 
      
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