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	hartrees
Energy at 0K	-152.118979
Energy at 298.15K
HF Energy	-151.603033
Nuclear repulsion energy	60.091899

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3386	3386
2	A₁	1724	1724
3	A₁	1027	1027
4	A₁	835	835
5	A₂	504	504
6	B₁	479	479
7	B₂	3318	3318
8	B₂	918	918
9	B₂	254i	254i

Atom	y (Å)	z (Å)
O1	0.000	0.915
C2	0.648	-0.475
C3	-0.648	-0.475
H4	1.677	-0.811
H5	-1.677	-0.811

	O1	C2	C3	H4	H5
O1		1.5328	1.5328	2.4061	2.4061
C2	1.5328		1.2954	1.0829	2.3491
C3	1.5328	1.2954		2.3491	1.0829
H4	2.4061	1.0829	2.3491		3.3545
H5	2.4061	2.3491	1.0829	3.3545

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	65.004	O1	C2	H4	133.064
O1	C3	C2	65.004	O1	C3	H5	133.064
C2	O1	C3	49.993	C2	C3	H5	161.933
C3	C2	H4	161.933

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP4/daug-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: MP4/daug-cc-pVDZ

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)