    20
 geometry
 C                     0.75478202     0.71222179     0.00000000
 C                    -0.75478202    -0.71222179     0.00000000
 C                    -0.75478202     0.71222179     0.00000000
 C                     0.75478202    -0.71222179     0.00000000
 C                     1.91678211     1.44662750     0.00000000
 C                    -1.91678211    -1.44662750     0.00000000
 C                    -1.91678211     1.44662750     0.00000000
 C                     1.91678211    -1.44662750     0.00000000
 C                     3.12482056     0.69614362     0.00000000
 C                    -3.12482056    -0.69614362     0.00000000
 C                    -3.12482056     0.69614362     0.00000000
 C                     3.12482056    -0.69614362     0.00000000
 H                     1.93763055     2.53308589     0.00000000
 H                    -1.93763055    -2.53308589     0.00000000
 H                    -1.93763055     2.53308589     0.00000000
 H                     1.93763055    -2.53308589     0.00000000
 H                     4.07432155     1.22544481     0.00000000
 H                    -4.07432155    -1.22544481     0.00000000
 H                    -4.07432155     1.22544481     0.00000000
 H                     4.07432155    -1.22544481     0.00000000
