21 charge = 0 C 3.363078 -0.152539 1.349568 C 2.746575 0.447001 0.098161 C 3.445197 0.036069 -1.201953 C 2.688620 0.585622 -2.410018 C 4.903396 0.431629 -1.231608 C 5.235236 1.887891 -1.113045 C 5.858768 -0.483971 -1.365450 H 2.814183 0.149811 2.244461 H 4.403891 0.156615 1.472549 H 3.353444 -1.245402 1.306434 H 2.734844 1.540533 0.172612 H 1.696233 0.143994 0.025384 H 3.414908 -1.058884 -1.258416 H 2.628280 1.676826 -2.382923 H 1.664904 0.202758 -2.425123 H 3.173138 0.297085 -3.345437 H 4.896141 2.297462 -0.156252 H 4.747774 2.475583 -1.896424 H 6.310927 2.051732 -1.186846 H 5.622434 -1.539853 -1.446407 H 6.908041 -0.209983 -1.400578