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	hartrees
Energy at 0K	-152.082029
Energy at 298.15K
HF Energy	-151.591619
Nuclear repulsion energy	60.795498

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3442	3303
2	A₁	1770	1698
3	A₁	1071	1028
4	A₁	867	832
5	A₂	432	415
6	B₁	451	433
7	B₂	3376	3239
8	B₂	940	902
9	B₂	104	100

Atom	y (Å)	z (Å)
O1	0.000	0.902
C2	0.642	-0.468
C3	-0.642	-0.468
H4	1.660	-0.801
H5	-1.660	-0.801

	O1	C2	C3	H4	H5
O1		1.5131	1.5131	2.3783	2.3783
C2	1.5131		1.2832	1.0715	2.3257
C3	1.5131	1.2832		2.3257	1.0715
H4	2.3783	1.0715	2.3257		3.3203
H5	2.3783	2.3257	1.0715	3.3203

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.911	O1	C2	H4	133.178
O1	C3	C2	64.911	O1	C3	H5	133.178
C2	O1	C3	50.178	C2	C3	H5	161.911
C3	C2	H4	161.911

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: CCSD(T)/6-31+G**

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C2H2O (Oxirene)

using model chemistry: CCSD(T)/6-31+G**

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)