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	hartrees
Energy at 0K	-151.044194
Energy at 298.15K
HF Energy	-150.725625
Nuclear repulsion energy	59.082541

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3427	3427	4.32
2	A₁	1766	1766	1.83
3	A₁	1050	1050	2.10
4	A₁	848	848	12.96
5	A₂	568	568	0.00
6	B₁	555	555	110.23
7	B₂	3358	3358	26.25
8	B₂	964	964	12.47
9	B₂	411	411	1.59

Atom	y (Å)	z (Å)
O1	0.000	0.962
C2	0.640	-0.495
C3	-0.640	-0.495
H4	1.641	-0.874
H5	-1.641	-0.874

	O1	C2	C3	H4	H5
O1		1.5914	1.5914	2.4618	2.4618
C2	1.5914		1.2805	1.0697	2.3122
C3	1.5914	1.2805		2.3122	1.0697
H4	2.4618	1.0697	2.3122		3.2816
H5	2.4618	2.3122	1.0697	3.2816

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	66.276	O1	C2	H4	134.443
O1	C3	C2	66.276	O1	C3	H5	134.443
C2	O1	C3	47.449	C2	C3	H5	159.281
C3	C2	H4	159.281

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP3=FULL/3-21G

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/3-21G

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)