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	hartrees
Energy at 0K	-152.076507
Energy at 298.15K
HF Energy	-151.589733
Nuclear repulsion energy	60.466548

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3394	3235
2	A₁	1744	1662
3	A₁	1059	1009
4	A₁	845	805
5	A₂	495	472
6	B₁	453	432
7	B₂	3330	3174
8	B₂	919	876
9	B₂	244i	233i

Atom	y (Å)	z (Å)
O1	0.000	0.904
C2	0.647	-0.468
C3	-0.647	-0.468
H4	1.677	-0.809
H5	-1.677	-0.809

	O1	C2	C3	H4	H5
O1		1.5164	1.5164	2.3972	2.3972
C2	1.5164		1.2942	1.0851	2.3491
C3	1.5164	1.2942		2.3491	1.0851
H4	2.3972	1.0851	2.3491		3.3541
H5	2.3972	2.3491	1.0851	3.3541

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.739	O1	C2	H4	133.611
O1	C3	C2	64.739	O1	C3	H5	133.611
C2	O1	C3	50.521	C2	C3	H5	161.650
C3	C2	H4	161.650

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: QCISD(T)/cc-pVDZ

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)/cc-pVDZ

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)