# atomicnumber angles for single, double and triple bond (-1 no angle)
1	180	-1	-1
5	180	131.0	109.2
6	180	120	109.47
7	180	110	106.67
8	180	104.5	-1
14	180	120	109.47
15	180	-1	-1
16	180	-1	-1
17	180 -1 -1
20	180	120	109.47
34	180 -1 -1
35	180 -1 -1