16
 
 C                  0.54981900    1.46912900    0.00000000
 N                  0.01880600    0.04592300    0.00000000
 H                  0.08335700    1.92801200    0.88308600
 H                  0.08335700    1.92801200   -0.88308600
 C                  0.54981900   -0.63341000    1.20287500
 H                  0.22431300   -1.67427700    1.21567700
 H                  1.63124900   -0.55012900    1.17062200
 H                  0.17428200   -0.10884000    2.07776000
 C                  0.54981900   -0.63341000   -1.20287500
 H                  0.22431300   -1.67427700   -1.21567700
 H                  0.17428200   -0.10884000   -2.07776000
 H                  1.63124900   -0.55012900   -1.17062200
 C                 -1.46685500   -0.07623100    0.00000000
 H                 -1.77558600   -1.12478200    0.00000000
 H                 -1.83903800    0.42866000    0.88681400
 H                 -1.83903800    0.42866000   -0.88681400
