19 C 1.00622 0.07413 0.06683 C -0.18394 0.07413 0.06683 C 2.45022 0.07413 0.06683 C 2.94194 -1.34761 0.45055 C 4.45332 -1.53970 0.50216 C 2.94701 0.46692 -1.33561 C 2.94716 1.11988 1.08171 H -1.24960 0.07411 0.06684 H 2.53173 -2.07976 -0.25908 H 2.53192 -1.62326 1.43225 H 4.91862 -1.35183 -0.46918 H 4.68438 -2.57346 0.78120 H 4.91889 -0.88854 1.24684 H 2.52360 1.42833 -1.65330 H 2.65488 -0.27873 -2.08514 H 4.03704 0.56804 -1.36885 H 2.52351 2.10960 0.87174 H 4.03662 1.22336 1.05891 H 2.65472 0.85213 2.10362