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	hartrees
Energy at 0K	-152.132219
Energy at 298.15K
HF Energy	-151.619328
Nuclear repulsion energy	60.957604

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3407	3407
2	A₁	1743	1743
3	A₁	1076	1076
4	A₁	873	873
5	A₂	501	501
6	B₁	475	475
7	B₂	3339	3339
8	B₂	937	937
9	B₂	168i	168i

Atom	y (Å)	z (Å)
O1	0.000	0.897
C2	0.641	-0.466
C3	-0.641	-0.466
H4	1.663	-0.794
H5	-1.663	-0.794

	O1	C2	C3	H4	H5
O1		1.5064	1.5064	2.3721	2.3721
C2	1.5064		1.2817	1.0737	2.3273
C3	1.5064	1.2817		2.3273	1.0737
H4	2.3721	1.0737	2.3273		3.3265
H5	2.3721	2.3273	1.0737	3.3265

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.824	O1	C2	H4	132.959
O1	C3	C2	64.824	O1	C3	H5	132.959
C2	O1	C3	50.351	C2	C3	H5	162.216
C3	C2	H4	162.216

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: QCISD(T)/6-311G**

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: QCISD(T)/6-311G**

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)