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	hartrees
Energy at 0K	-152.114279
Energy at 298.15K
HF Energy	-151.613058
Nuclear repulsion energy	60.940560

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3381	3254
2	A₁	1746	1681
3	A₁	1069	1029
4	A₁	861	829
5	A₂	384	370
6	B₁	439	422
7	B₂	3313	3189
8	B₂	899	866
9	B₂	155i	150i

Atom	y (Å)	z (Å)
O1	0.000	0.898
C2	0.641	-0.466
C3	-0.641	-0.466
H4	1.665	-0.794
H5	-1.665	-0.794

	O1	C2	C3	H4	H5
O1		1.5067	1.5067	2.3737	2.3737
C2	1.5067		1.2812	1.0757	2.3289
C3	1.5067	1.2812		2.3289	1.0757
H4	2.3737	1.0757	2.3289		3.3303
H5	2.3737	2.3289	1.0757	3.3303

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	64.839	O1	C2	H4	132.911
O1	C3	C2	64.839	O1	C3	H5	132.911
C2	O1	C3	50.322	C2	C3	H5	162.250
C3	C2	H4	162.250

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)