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	hartrees
Energy at 0K	-152.046179
Energy at 298.15K
HF Energy	-151.581130
Nuclear repulsion energy	61.167382

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3438	3265	1.78
2	A₁	1827	1736	0.84
3	A₁	1106	1050	4.34
4	A₁	896	851	42.07
5	A₂	485	461	0.00
6	B₁	501	476	80.44
7	B₂	3368	3199	31.43
8	B₂	954	906	6.52
9	B₂	238	226	0.58

Atom	y (Å)	z (Å)
O1	0.000	0.896
C2	0.636	-0.465
C3	-0.636	-0.465
H4	1.659	-0.797
H5	-1.659	-0.797

	O1	C2	C3	H4	H5
O1		1.5021	1.5021	2.3700	2.3700
C2	1.5021		1.2726	1.0748	2.3188
C3	1.5021	1.2726		2.3188	1.0748
H4	2.3700	1.0748	2.3188		3.3170
H5	2.3700	2.3188	1.0748	3.3170

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.937	O1	C2	H4	133.070
O1	C3	C2	64.937	O1	C3	H5	133.070
C2	O1	C3	50.126	C2	C3	H5	161.994
C3	C2	H4	161.994

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: CCSD=FULL/6-31G*

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=FULL/6-31G*

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)