21
charge = 0
 C 0.695104 1.187576 1.066432
 C 2.132083 0.814142 0.744676
 C 3.149690 1.641834 1.513428
 C 4.594597 1.271460 1.190145
 C 5.593098 2.116752 1.908593
 C 6.515061 1.667965 2.752062
 C 7.506849 2.515320 3.473370
 H -0.014873 0.578175 0.502373
 H 0.496964 2.235965 0.825910
 H 0.479863 1.049052 2.129780
 H 2.311109 0.931813 -0.330582
 H 2.293810 -0.248104 0.962289
 H 2.981484 1.524964 2.590385
 H 2.990724 2.705524 1.296578
 H 4.744496 1.372557 0.106684
 H 4.767602 0.216433 1.428808
 H 5.537918 3.189699 1.719723
 H 6.566686 0.595751 2.940875
 H 7.382467 3.571825 3.227318
 H 8.532487 2.225958 3.221967
 H 7.408590 2.404426 4.558166