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	hartrees
Energy at 0K	-152.251134
Energy at 298.15K
HF Energy	-151.644396
Nuclear repulsion energy	60.906747

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3392	3301
2	A₁	1740	1693
3	A₁	1050	1022
4	A₁	859	836
5	A₂	594	578
6	B₁	509	495
7	B₂	3319	3230
8	B₂	948	923
9	B₂	187i	182i

Atom	y (Å)	z (Å)
O1	0.000	0.902
C2	0.639	-0.468
C3	-0.639	-0.468
H4	1.657	-0.798
H5	-1.657	-0.798

	O1	C2	C3	H4	H5
O1		1.5121	1.5121	2.3744	2.3744
C2	1.5121		1.2771	1.0709	2.3195
C3	1.5121	1.2771		2.3195	1.0709
H4	2.3744	1.0709	2.3195		3.3148
H5	2.3744	2.3195	1.0709	3.3148

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	65.022	O1	C2	H4	132.904
O1	C3	C2	65.022	O1	C3	H5	132.904
C2	O1	C3	49.957	C2	C3	H5	162.074
C3	C2	H4	162.074

All results from a given calculation for C₂H₂O (Oxirene)

using model chemistry: MP4/aug-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/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)