    23
 geometry
 C                     0.00000000     0.00000000     1.83942133
 C                    -0.71409176     0.00000000    -0.45788969
 C                    -1.19522281     0.00000000     0.89346794
 C                     1.19522281     0.00000000     0.89346794
 C                     0.71409176     0.00000000    -0.45788969
 C                    -1.67166828     0.00000000    -1.51984177
 C                    -2.54320323     0.00000000     1.18408892
 C                     2.54320323     0.00000000     1.18408892
 C                     1.67166828     0.00000000    -1.51984177
 C                    -3.03386900     0.00000000    -1.20857947
 C                    -3.49745171     0.00000000     0.11851831
 C                     3.49745171     0.00000000     0.11851831
 C                     3.03386900     0.00000000    -1.20857947
 H                     0.00000000    -0.88136093     2.49919197
 H                     0.00000000     0.88136093     2.49919197
 H                    -1.34692896     0.00000000    -2.55915106
 H                    -2.88670475     0.00000000     2.22004901
 H                     2.88670475     0.00000000     2.22004901
 H                     1.34692896     0.00000000    -2.55915106
 H                    -3.76037676     0.00000000    -2.02305532
 H                    -4.56424273     0.00000000     0.33313579
 H                     4.56424273     0.00000000     0.33313579
 H                     3.76037676     0.00000000    -2.02305532
