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	hartrees
Energy at 0K	-152.038638
Energy at 298.15K
HF Energy	-151.581763
Nuclear repulsion energy	61.341232

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3469	3255	2.19
2	A₁	1856	1742	0.93
3	A₁	1131	1061	6.30
4	A₁	913	857	42.69
5	A₂	512	481	0.00
6	B₁	509	477	85.40
7	B₂	3399	3190	35.64
8	B₂	968	908	7.12
9	B₂	363	341	0.12

Atom	y (Å)	z (Å)
O1	0.000	0.893
C2	0.635	-0.463
C3	-0.635	-0.463
H4	1.654	-0.796
H5	-1.654	-0.796

	O1	C2	C3	H4	H5
O1		1.4974	1.4974	2.3644	2.3644
C2	1.4974		1.2694	1.0726	2.3130
C3	1.4974	1.2694		2.3130	1.0726
H4	2.3644	1.0726	2.3130		3.3085
H5	2.3644	2.3130	1.0726	3.3085

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.921	O1	C2	H4	133.178
O1	C3	C2	64.921	O1	C3	H5	133.178
C2	O1	C3	50.158	C2	C3	H5	161.901
C3	C2	H4	161.901

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP3=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: MP3=FULL/6-31G*

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)