15 C 1.16592 -0.10558 0.04951 C 0.66234 0.35618 -1.10699 C 1.41100 0.98892 -2.24357 C 1.45022 0.07411 -3.45733 C 2.59842 -0.13708 0.47310 H 0.46647 -0.52200 0.77352 H -0.41597 0.28526 -1.24895 H 2.43166 1.26299 -1.96175 H 0.90642 1.92467 -2.51151 H 1.97538 -0.86033 -3.23095 H 1.97451 0.56469 -4.28410 H 0.44019 -0.17637 -3.79991 H 3.29004 0.18398 -0.30874 H 2.87359 -1.15778 0.75693 H 2.74185 0.50889 1.34472