[ atomtypes ]
;name btype  mass  charge ptype    sigma  epsilon
  c3    c3   0.0     0.0     A 0.339771 0.451035
  hc    hc   0.0     0.0     A 0.260018 0.087027

[ moleculetype ]
;name            nrexcl
 methane          3

[ atoms ]
; nr type  resnr residue atom  cgnr  charge   mass
  1   c3      1     MOL   C1     1 -0.1068 12.010
  2   hc      1     MOL   H1     2  0.0267  1.008
  3   hc      1     MOL   H2     3  0.0267  1.008
  4   hc      1     MOL   H3     4  0.0267  1.008
  5   hc      1     MOL   H4     5  0.0267  1.008

[ bonds ]
; i  j  func  b0  kb
 1  2     5        
 1  3     5        
 1  4     5        
 1  5     5        

[ exclusions ]
; ai  aj1  aj2  aj3  aj4
  1    2    3    4    5
  2    1    3    4    5
  3    1    2    4    5
  4    1    2    3    5
  5    1    2    3    4
