9
Imidazole has Cs symmetry
 1  -4.167820450  -0.806201675   0.747363945
 6  -1.997446520  -0.325333160   0.747363945
 6  -3.125462515  -1.144884181   0.747363945
 7  -0.869430525  -1.144884181   0.747363945
 6  -1.300294502  -2.470947188   0.747363945
 1  -1.997446520   0.770666796   0.747363945
 1  -0.656081404  -3.357629425   0.747363945
 7  -2.694598539  -2.470947188   0.747363945
 1  -3.289437643  -3.289672031   0.747363945
