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	hartrees
Energy at 0K	-152.279885
Energy at 298.15K
HF Energy	-151.641841
Nuclear repulsion energy	61.181513

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3423	3296
2	A₁	1759	1694
3	A₁	1073	1033
4	A₁	874	842
5	A₂	570	549
6	B₁	502	484
7	B₂	3338	3214
8	B₂	956	921
9	B₂	210i	202i

Atom	y (Å)	z (Å)
O1	0.000	0.898
C2	0.636	-0.466
C3	-0.636	-0.466
H4	1.648	-0.798
H5	-1.648	-0.798

	O1	C2	C3	H4	H5
O1		1.5050	1.5050	2.3651	2.3651
C2	1.5050		1.2722	1.0653	2.3085
C3	1.5050	1.2722		2.3085	1.0653
H4	2.3651	1.0653	2.3085		3.2967
H5	2.3651	2.3085	1.0653	3.2967

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.997	O1	C2	H4	133.164
O1	C3	C2	64.997	O1	C3	H5	133.164
C2	O1	C3	50.005	C2	C3	H5	161.839
C3	C2	H4	161.839

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP4=FULL/cc-pVTZ

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=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)