21 charge = 0 C 0.733565 0.136143 -0.046039 C 2.238480 0.389173 -0.087375 C 2.610528 0.959646 -1.454156 C 2.612725 1.386716 1.004928 C 2.953174 -0.957142 0.156335 C 4.444697 -0.917828 0.122590 C 5.235443 -1.215587 1.144952 H 0.178177 1.065869 -0.197991 H 0.430342 -0.280934 0.918654 H 0.429468 -0.567659 -0.826423 H 2.045402 1.874616 -1.652580 H 2.384385 0.248923 -2.254833 H 3.671988 1.211327 -1.513667 H 2.096478 2.338618 0.851861 H 3.687620 1.581325 1.015587 H 2.333025 1.009125 1.992866 H 2.601274 -1.662566 -0.608245 H 2.627368 -1.354745 1.123845 H 4.903940 -0.634208 -0.822399 H 4.828499 -1.511364 2.107492 H 6.315521 -1.180440 1.058507