15 charge = 0 O 3.278555 2.963268 0.766317 C 2.534136 1.883580 0.471226 O 1.439866 1.747811 0.932073 C 3.162685 0.895276 -0.495141 C 4.665888 0.881994 -0.526223 C 5.385797 0.452356 -1.761857 C 5.421930 1.893471 -1.358430 H 4.129710 2.886738 0.312300 H 2.773367 1.146391 -1.489102 H 2.757131 -0.087382 -0.247118 H 5.137367 0.601131 0.410929 H 4.784929 0.188035 -2.623691 H 6.290788 -0.130488 -1.649653 H 4.847728 2.591773 -1.957803 H 6.352403 2.291334 -0.972227