19
charge = 0
 C 0.922805 -1.745335 0.906567
 C 2.405867 -1.878562 0.840762
 C 3.249242 -0.878336 0.609265
 C 4.719867 -0.976671 0.512331
 C 5.428193 -2.274573 0.270027
 C 5.394071 -1.238146 -0.811294
 C 6.638379 -0.492981 -1.197361
 H 0.539543 -2.075439 1.877599
 H 0.433567 -2.368723 0.150815
 H 0.606823 -0.711994 0.749543
 H 2.808633 -2.876788 1.001645
 H 2.838649 0.121854 0.467663
 H 5.253914 -0.266788 1.140440
 H 4.832793 -3.169208 0.138220
 H 6.368884 -2.436859 0.783617
 H 4.709749 -1.452118 -1.627053
 H 7.267224 -0.305987 -0.322455
 H 6.402384 0.474253 -1.650089
 H 7.234712 -1.061669 -1.916742