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	hartrees
Energy at 0K	-153.448454
Energy at 298.15K
HF Energy	-152.884307
Nuclear repulsion energy	75.383686

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3156	2990	10.08
2	A₁	1571	1489	2.67
3	A₁	1328	1258	11.40
4	A₁	1186	1124	0.10
5	A₁	926	878	55.46
6	A₂	3233	3063	0.00
7	A₂	1194	1131	0.00
8	A₂	1070	1014	0.00
9	B₁	3248	3077	38.42
10	B₁	1194	1131	3.77
11	B₁	828	784	0.00
12	B₂	3146	2981	29.24
13	B₂	1529	1449	0.38
14	B₂	1182	1120	0.70
15	B₂	888	842	9.43

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.851
C2	0.000	0.733	-0.370
C3	0.000	-0.733	-0.370
H4	0.919	1.268	-0.590
H5	-0.919	1.268	-0.590
H6	-0.919	-1.268	-0.590
H7	0.919	-1.268	-0.590

	O1	C2	C3	H4	H5	H6	H7
O1		1.4243	1.4243	2.1282	2.1282	2.1282	2.1282
C2	1.4243		1.4660	1.0860	1.0860	2.2130	2.2130
C3	1.4243	1.4660		2.2130	2.2130	1.0860	1.0860
H4	2.1282	1.0860	2.2130		1.8383	3.1323	2.5361
H5	2.1282	1.0860	2.2130	1.8383		2.5361	3.1323
H6	2.1282	2.2130	1.0860	3.1323	2.5361		1.8383
H7	2.1282	2.2130	1.0860	2.5361	3.1323	1.8383

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	59.026	O1	C2	H4	115.280
O1	C2	H5	115.280	O1	C3	C2	59.026
O1	C3	H6	115.280	O1	C3	H7	115.280
C2	O1	C3	61.948	C2	C3	H6	119.515
C2	C3	H7	119.515	C3	C2	H4	119.515
C3	C2	H5	119.515	H4	C2	H5	115.638
H6	C3	H7	115.638

All results from a given calculation for C₂H₄O (Ethylene oxide)

using model chemistry: QCISD/6-31G(2df,p)

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 C2H4O (Ethylene oxide)

using model chemistry: QCISD/6-31G(2df,p)

States and conformations

All results from a given calculation for C₂H₄O (Ethylene oxide)