15 charge = 0 O 1.556514 0.606419 0.845962 C 2.019843 -0.085572 -0.016153 C 2.889800 0.390125 -1.155299 C 4.228299 -0.383000 -1.232843 C 5.297603 0.596544 -0.718162 C 4.615651 1.929675 -0.793088 C 3.314966 1.822403 -1.031430 H 1.817658 -1.181647 -0.031074 H 2.290738 0.199997 -2.057936 H 4.435384 -0.646219 -2.271140 H 4.202226 -1.317259 -0.666157 H 6.212136 0.554357 -1.316383 H 5.595381 0.378755 0.314630 H 5.136697 2.864955 -0.623666 H 2.614182 2.645877 -1.076171