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	hartrees
Energy at 0K	-152.055165
Energy at 298.15K
HF Energy	-151.586324
Nuclear repulsion energy	61.406665

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3504	3504	2.39
2	A₁	1856	1856	1.07
3	A₁	1140	1140	7.32
4	A₁	920	920	38.66
5	A₂	545	545	0.00
6	B₁	513	513	78.54
7	B₂	3433	3433	37.32
8	B₂	985	985	6.59
9	B₂	366	366	0.27

Atom	y (Å)	z (Å)
O1	0.000	0.893
C2	0.635	-0.462
C3	-0.635	-0.462
H4	1.647	-0.798
H5	-1.647	-0.798

	O1	C2	C3	H4	H5
O1		1.4961	1.4961	2.3603	2.3603
C2	1.4961		1.2703	1.0665	2.3072
C3	1.4961	1.2703		2.3072	1.0665
H4	2.3603	1.0665	2.3072		3.2949
H5	2.3603	2.3072	1.0665	3.2949

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.878	O1	C2	H4	133.467
O1	C3	C2	64.878	O1	C3	H5	133.467
C2	O1	C3	50.245	C2	C3	H5	161.655
C3	C2	H4	161.655

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)