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	hartrees
Energy at 0K	-27.898879
Energy at 298.15K
HF Energy	-27.581260
Nuclear repulsion energy	30.635864

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	3355	3274	0.91	109.19	0.19	0.31
2	A₁	1636	1596	4.54	32.38	0.14	0.24
3	A₁	1025	1001	1.28	4.34	0.38	0.55
4	A₁	834	814	45.82	9.54	0.31	0.47
5	A₂	370	361	0.00	1.20	0.75	0.86
6	B₁	515	503	135.04	0.49	0.75	0.86
7	B₂	3285	3206	30.19	23.74	0.75	0.86
8	B₂	910	889	12.66	0.74	0.75	0.86
9	B₂	116	113	0.35	18.51	0.75	0.86

Atom	y (Å)	z (Å)
O1	0.000	0.970
C2	0.656	-0.504
C3	-0.656	-0.504
H4	1.675	-0.855
H5	-1.675	-0.855

	O1	C2	C3	H4	H5
O1		1.6140	1.6140	2.4778	2.4778
C2	1.6140		1.3115	1.0784	2.3575
C3	1.6140	1.3115		2.3575	1.0784
H4	2.4778	1.0784	2.3575		3.3510
H5	2.4778	2.3575	1.0784	3.3510

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	66.027	O1	C2	H4	132.955
O1	C3	C2	66.027	O1	C3	H5	132.955
C2	O1	C3	47.947	C2	C3	H5	161.018
C3	C2	H4	161.018

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP2/CEP-121G

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: MP2/CEP-121G

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)