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	hartrees
Energy at 0K	-151.064277
Energy at 298.15K
HF Energy	-150.722509
Nuclear repulsion energy	58.360435

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3368	3266
2	A₁	1686	1635
3	A₁	1021	991
4	A₁	806	782
5	A₂	495	480
6	B₁	515	499
7	B₂	3299	3200
8	B₂	920	892
9	B₂	83i	80i

Atom	y (Å)	z (Å)
O1	0.000	0.979
C2	0.646	-0.504
C3	-0.646	-0.504
H4	1.649	-0.888
H5	-1.649	-0.888

	O1	C2	C3	H4	H5
O1		1.6176	1.6176	2.4908	2.4908
C2	1.6176		1.2912	1.0743	2.3265
C3	1.6176	1.2912		2.3265	1.0743
H4	2.4908	1.0743	2.3265		3.2981
H5	2.4908	2.3265	1.0743	3.2981

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	66.477	O1	C2	H4	134.440
O1	C3	C2	66.477	O1	C3	H5	134.440
C2	O1	C3	47.046	C2	C3	H5	159.083
C3	C2	H4	159.083

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP4/3-21G

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: MP4/3-21G

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)