??? 20-hedral 19-hedral 18-hedral 17-hedral 16-hedral 15-hedral 14-hedral 13-hedral dodecahedral 11-hedral decahedral nonahedral octahedral septahedral cuboid pentahedral tetrahedral planar sq-planar tri-planar one-sided linear (no bonds) Select colour for "^0": Too many molecule elements to plot in the info window Info Window information record returned nil pointer!