ATOM 8
1 Z As 16.5200 -17.9200 #-
2 X F 16.5200 -16.3100
3 X F 16.5200 -19.4600
4 X F 15.3201 -16.9301
5 X F 15.3201 -18.9099
6 X F 17.7899 -18.9799
7 X F 17.8599 -16.7901
8 Z K 20.8600 -17.7800 #+
BOND 6
1 1 2 1
2 1 3 1
3 1 4 1
4 1 5 1
5 1 6 1
6 1 7 1