20
 
 C                  0.23250400   -1.30771700    0.00000000
 P                 -0.04754100    0.40016500    0.00000000
 B                  1.63429300   -1.85240700    0.00000000
 B                 -1.00426600   -2.16764300    0.00000000
 H                  1.80198200   -3.03560200    0.00000000
 H                  2.60552500   -1.14360600    0.00000000
 H                 -2.11218900   -1.68772000    0.00000000
 H                 -0.91153300   -3.35805900    0.00000000
 C                 -1.00426600    0.96442800    1.43305800
 H                 -1.21217500    2.03224000    1.37108500
 H                 -1.93797800    0.40473000    1.46017300
 H                 -0.43739300    0.74615200    2.33670200
 C                 -1.00426600    0.96442800   -1.43305800
 H                 -1.21217500    2.03224000   -1.37108500
 H                 -0.43739300    0.74615200   -2.33670200
 H                 -1.93797800    0.40473000   -1.46017300
 C                  1.45521900    1.40466700    0.00000000
 H                  1.18704700    2.46042500    0.00000000
 H                  2.04605000    1.17062900    0.88319600
 H                  2.04605000    1.17062900   -0.88319600
