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	hartrees
Energy at 0K	-152.131435
Energy at 298.15K
HF Energy	-151.619440
Nuclear repulsion energy	60.977434

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3409	3288
2	A₁	1748	1686
3	A₁	1077	1039
4	A₁	875	844
5	A₂	506	488
6	B₁	477	460
7	B₂	3341	3223
8	B₂	938	905
9	B₂	131i	126i

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		1.5060	1.5060	2.3717	2.3717
C2	1.5060		1.2810	1.0736	2.3265
C3	1.5060	1.2810		2.3265	1.0736
H4	2.3717	1.0736	2.3265		3.3253
H5	2.3717	2.3265	1.0736	3.3253

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.829	O1	C2	H4	132.977
O1	C3	C2	64.829	O1	C3	H5	132.977
C2	O1	C3	50.341	C2	C3	H5	162.193
C3	C2	H4	162.193

All results from a given calculation for C₂H₂O (Oxirene)

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

States and conformations

All results from a given calculation for C₂H₂O (Oxirene)