20
charge = 0
 C 1.635190 0.310377 -0.553746
 C 2.662743 0.512955 0.553638
 C 3.953890 1.082977 -0.019729
 C 2.917078 -0.747391 1.402504
 C 3.412356 -1.941706 0.595342
 C 1.695535 -1.134745 2.226229
 H 0.687130 -0.076531 -0.173775
 H 2.000960 -0.384409 -1.314885
 H 1.424009 1.258153 -1.055692
 H 2.255837 1.262840 1.245352
 H 3.770837 2.040091 -0.515075
 H 4.699211 1.248846 0.763052
 H 4.393004 0.412412 -0.763554
 H 3.712852 -0.476738 2.109511
 H 2.643672 -2.304320 -0.092761
 H 4.303107 -1.705199 0.009236
 H 3.668742 -2.770849 1.259884
 H 1.334002 -0.293409 2.823898
 H 1.931127 -1.953977 2.910553
 H 0.872637 -1.471376 1.589619