    20
 geometry
 C                     0.72469259    -0.73515923     0.00000000
 C                    -0.72469259     0.73515923     0.00000000
 C                     0.72469259     0.73515923     0.00000000
 C                    -0.72469259    -0.73515923     0.00000000
 C                     1.47088128    -1.90226215     0.00000000
 C                    -1.47088128     1.90226215     0.00000000
 C                     1.47088128     1.90226215     0.00000000
 C                    -1.47088128    -1.90226215     0.00000000
 C                     0.71063732    -3.08267008     0.00000000
 C                    -0.71063732     3.08267008     0.00000000
 C                     0.71063732     3.08267008     0.00000000
 C                    -0.71063732    -3.08267008     0.00000000
 H                     2.55562092    -1.92555134     0.00000000
 H                    -2.55562092     1.92555134     0.00000000
 H                     2.55562092     1.92555134     0.00000000
 H                    -2.55562092    -1.92555134     0.00000000
 H                     1.22164782    -4.04117881     0.00000000
 H                    -1.22164782     4.04117881     0.00000000
 H                     1.22164782     4.04117881     0.00000000
 H                    -1.22164782    -4.04117881     0.00000000
