13
charge = 0
 C 1.442533 -0.989170 0.146370
 C 2.386466 -0.108591 -0.149252
 C 3.309833 0.492186 0.853936
 C 4.763829 0.459891 0.441743
 O 5.148131 0.093509 -0.640331
 C 5.695248 0.931755 1.453863
 C 6.447265 1.320554 2.306487
 H 0.785268 -1.389041 -0.616593
 H 1.291628 -1.345103 1.161094
 H 2.522765 0.215612 -1.176516
 H 3.213262 0.014403 1.834198
 H 3.070762 1.552712 1.022925
 H 7.129710 1.662584 3.049765