21
charge = 0
 C 1.239931 0.171242 0.408080
 C 2.703678 -0.139462 0.138238
 C 2.990180 -0.807614 -1.205880
 C 2.539652 0.046333 -2.373290
 C 4.456632 -1.310710 -1.261921
 C 3.974456 -2.716774 -0.860494
 C 2.540988 -2.293914 -1.229134
 H 1.105533 0.563945 1.418627
 H 0.617483 -0.723502 0.319012
 H 0.847724 0.917386 -0.286376
 H 3.086837 -0.784767 0.937298
 H 3.290302 0.786055 0.192218
 H 1.455167 0.184829 -2.379978
 H 2.816927 -0.419513 -3.322570
 H 3.003367 1.037812 -2.339357
 H 5.172292 -0.812524 -0.602884
 H 4.850070 -1.288980 -2.281157
 H 4.089753 -2.906616 0.208043
 H 4.399364 -3.562488 -1.402720
 H 1.737756 -2.583917 -0.547994
 H 2.267000 -2.613334 -2.237660