HEADER    3 electron pairs
REMARK    COPYRIGHT 1998 BY JAMES P. BIRK
HETATM    1 He           1      -0.295   0.162  -0.000
HETATM    2  F           1      -2.135  -0.900   0.000
HETATM    3  F           1       1.545  -0.900  -0.000
HETATM    4  F           1      -0.295   2.287   0.000
CONECT    1    2    3    4
END