HEADER 4 electron pairs REMARK COPYRIGHT 1998 BY JAMES P. BIRK HETATM 1 He 1 -0.739 0.598 -0.000 HETATM 2 F 1 -1.551 0.024 -1.407 HETATM 3 F 1 0.885 0.024 -0.000 HETATM 4 F 1 -0.739 2.321 0.000 HETATM 5 F 1 -1.551 0.024 1.407 CONECT 1 2 3 4 5 END