Hello, I do the energy minimization of the butylene box , but some
butylene molecules are broken after that. The butylene itp file is
produced by PRODRG, as follows:
[ moleculetype ]
; Name nrexcl
BUT 3
[ atoms ]
; nr type resnr resid
atom cgnr charge mass
1
CH3 1 BUT
C9 1 0.0049
15.0350
2
CH2 1 BUT
C6 1 -0.02442 14.0270
3
C 1 BUT
C3 1 0.07957
13.0190
4
C 1 BUT
C2 1 -0.06005 14.0270
[ bonds ]
; ai aj fu c0, c1, ...
2 1 2 0.155
7150000.0 0.155 7150000.0 ;
C6 C9
2 3 2 0.153
7150000.0 0.153 7150000.0 ;
C6 C3
3 4 2 0.135
7150000.0 0.135 7150000.0 ;
C3 C2
[ pairs ]
; ai aj fu c0, c1, ...
1 4
1
; C9 C2
[ angles ]
; ai aj ak fu c0, c1, ...
1 2 3 2
112.5 520.0
112.5 520.0 ;
C9 C6 C3
2 3 4 2
125.0 610.0
125.0 610.0 ;
C6 C3 C2
[ dihedrals ]
; ai aj ak al fu c0, c1, m, ...
1 2 3 4
1 0.0 1.0
6 0.0 1.0 6 ;
dih C9 C6 C3 C2
Can you show me why the butylene molecules would be broken?
Thank you very much !
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