#N HF/STO-3G OPT

H2O

 0 1
X1
O2   X1   DO2X1
H3   O2   DH3O2  X1  AH3X1 
H4   O2   DH4O2  X1  AH4X1   H3   TH3H4

DO2X1=1.8
DH3O2 = 0.9894649
DH4O2=0.9894649
AH3X1=129.98527871
AH4X1=129.98527871
TH3H4=180.0
