2-monomer

 Hg                -1.14680566    0.15045797   -0.06609711
 Br                -2.34102649   -1.94111278    0.22724841
 Br                -0.94358316    2.57262578   -0.29561211
 N                  1.22168457   -0.48185841    1.00492388
 N                  0.61655557   -1.27996941   -1.56276212
 H                  0.28054577   -1.97179435   -1.07480190
 H                  0.50097187   -1.45536165   -2.45156840
 C                  1.49663257   -0.17608241    2.25885488
 H                  0.65294457   -0.10578441    2.93874788
 C                  2.80347157    0.07175959    2.72782588
 H                  2.96281857    0.30705359    3.77260088
 C                  3.84264357    0.04068859    1.83120188
 H                  4.85720057    0.25936359    2.14700188
 C                  3.59389557   -0.27393941    0.47311688
 C                  4.60912057   -0.29393641   -0.51592612
 H                  5.62925357   -0.06069241   -0.23324812
 C                  4.28885657   -0.60293041   -1.81494412
 H                  5.05763857   -0.61077441   -2.57859212
 C                  2.96634657   -0.94469641   -2.17217212
 H                  2.74758357   -1.22425441   -3.19746512
 C                  1.95311057   -0.95347341   -1.23621112
 C                  2.24622657   -0.56933241    0.10925288