16
 
 C                  1.80918400    0.26019000    0.00000000
 P                  0.15087100    0.00155800    0.00000000
 H                  2.33827200    0.06208900    0.92368000
 H                  2.33827200    0.06208900   -0.92368000
 C                 -0.61328200    0.75137000   -1.46396400
 C                 -0.61328200    0.75137000    1.46396400
 C                 -0.61328200   -1.67675200    0.00000000
 H                 -1.68038400    0.53742100   -1.50022800
 H                 -0.44148300    1.82486700   -1.44285300
 H                 -0.13509400    0.33629600   -2.35087600
 H                 -1.70368100   -1.63337900    0.00000000
 H                 -0.26901800   -2.21420000   -0.88341600
 H                 -0.26901800   -2.21420000    0.88341600
 H                 -1.68038400    0.53742100    1.50022800
 H                 -0.13509400    0.33629600    2.35087600
 H                 -0.44148300    1.82486700    1.44285300
