BSSE energy in presence of other atoms nearby...


Gets Around
Hi,
I am trying to calculate interaction energy of two monomers using BSSE protocol.
I am following
http://nwchemgit.github.io/index.php/Top-level#TASK_Directive_for_BSSE_calculations
instructions.
I'm using:
start Histidine-Aspertate_dimer
geometry units angstrom
    N 2.739 24.753 58.631 
    H 2.603 25.170 59.371  
   O 2.533 26.305 61.093 
   C 2.375 27.069 62.059 
end
basis "ao basis"
  N library 6-311g
  H library 6-311g
  O library 6-311g
  C library 6-311g
  bqN library N 6-311g
  bqH library H 6-311g
  bqO library O 6-311g
  bqC library C 6-311g
end
dft
  xc pbe0
  direct
  iterations 1000
end  
bsse
  mon first 1 2
  mon second 3 4
end
task dft energy


This code is working fine. But I need to perform this BSSE operation in presence of few other N, C, O atoms nearby.
If you could please suggest me how can I perform this.
What is the BSSE directive should be in that case ?? Can't find anything useful in Nwchem Documentation. !!
thank you.


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