21
charge = 0
 C 1.650371 0.649357 1.137923
 C 1.909610 0.114955 -0.263475
 C 2.839705 0.934296 -1.154763
 C 4.328409 0.988381 -0.848068
 C 5.151878 1.356870 -2.057658
 C 4.837184 1.504530 0.465650
 C 4.956769 0.044109 0.133223
 H 2.520996 0.559196 1.789846
 H 0.835400 0.098166 1.613683
 H 1.362758 1.704412 1.111034
 H 2.276569 -0.915401 -0.204647
 H 0.949033 0.051734 -0.785955
 H 2.462353 1.963854 -1.215862
 H 2.743664 0.527783 -2.168783
 H 4.838095 2.323764 -2.464370
 H 5.043506 0.610924 -2.851242
 H 6.212975 1.430186 -1.807297
 H 4.126256 1.800750 1.225071
 H 5.740600 2.103535 0.447942
 H 4.318713 -0.646278 0.671213
 H 5.939955 -0.350323 -0.096553