20
 
 C                  0.24962300   -1.00062100    0.00000000
 N                 -0.09478900    0.48213800    0.00000000
 B                  1.66739200   -1.46638800    0.00000000
 B                 -0.89684900   -1.95857500    0.00000000
 H                  1.84009000   -2.64651300    0.00000000
 H                  2.63547700   -0.75794200    0.00000000
 H                 -2.05327100   -1.61540700    0.00000000
 H                 -0.66322500   -3.12671000    0.00000000
 C                 -0.89684900    0.81567000    1.21098300
 H                 -1.14765400    1.87680200    1.19642000
 H                 -1.79403800    0.20645100    1.20164700
 H                 -0.29502000    0.57076700    2.08135400
 C                 -0.89684900    0.81567000   -1.21098300
 H                 -1.14765400    1.87680200   -1.19642000
 H                 -0.29502000    0.57076700   -2.08135400
 H                 -1.79403800    0.20645100   -1.20164700
 C                  1.10477100    1.35546800    0.00000000
 H                  0.77335600    2.39305900    0.00000000
 H                  1.69381000    1.13910500    0.88495600
 H                  1.69381000    1.13910500   -0.88495600
