          21
 
   C         -0.72439292     -0.24625530     -0.29473865
   C         -0.85467756     -0.88227783      1.09097236
   C          0.72439292      0.24625530     -0.29473865
   C          0.85467756      0.88227783      1.09097236
   C          0.00000000      0.00000000      2.02772500
   C         -1.07925170     -1.18339239     -1.43493952
   C          1.07925170      1.18339239     -1.43493952
   H         -1.36840579      0.64066008     -0.33784941
   H         -1.89028054     -0.97065375      1.41747281
   H         -0.44341324     -1.89345339      1.04542599
   H          1.36840579     -0.64066008     -0.33784941
   H          1.89028054      0.97065375      1.41747281
   H          0.44341324      1.89345339      1.04542599
   H          0.62452769     -0.61188561      2.67618699
   H         -0.62452769      0.61188561      2.67618699
   H         -0.41923101     -2.05273766     -1.42460594
   H         -0.98044359     -0.69607475     -2.40454947
   H         -2.10481335     -1.54216980     -1.34723765
   H          0.41923101      2.05273766     -1.42460594
   H          0.98044359      0.69607475     -2.40454947
   H          2.10481335      1.54216980     -1.34723765
