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	hartrees
Energy at 0K	-153.313616
Energy at 298.15K
HF Energy	-152.877440
Nuclear repulsion energy	75.427256

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3206	2955	8.47
2	A₁	1599	1474	4.65
3	A₁	1359	1253	13.36
4	A₁	1213	1118	1.36
5	A₁	946	872	65.64
6	A₂	3286	3029	0.00
7	A₂	1206	1112	0.00
8	A₂	1079	995	0.00
9	B₁	3302	3044	51.53
10	B₁	1210	1115	5.85
11	B₁	840	775	0.00
12	B₂	3193	2943	34.59
13	B₂	1542	1422	0.34
14	B₂	1195	1101	0.44
15	B₂	917	846	8.61

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.846
C2	0.000	0.734	-0.367
C3	0.000	-0.734	-0.367
H4	0.924	1.272	-0.591
H5	-0.924	1.272	-0.591
H6	-0.924	-1.272	-0.591
H7	0.924	-1.272	-0.591

	O1	C2	C3	H4	H5	H6	H7
O1		1.4182	1.4182	2.1297	2.1297	2.1297	2.1297
C2	1.4182		1.4681	1.0920	1.0920	2.2196	2.2196
C3	1.4182	1.4681		2.2196	2.2196	1.0920	1.0920
H4	2.1297	1.0920	2.2196		1.8475	3.1437	2.5435
H5	2.1297	1.0920	2.2196	1.8475		2.5435	3.1437
H6	2.1297	2.2196	1.0920	3.1437	2.5435		1.8475
H7	2.1297	2.2196	1.0920	2.5435	3.1437	1.8475

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	58.828	O1	C2	H4	115.472
O1	C2	H5	115.472	O1	C3	C2	58.828
O1	C3	H6	115.472	O1	C3	H7	115.472
C2	O1	C3	62.344	C2	C3	H6	119.498
C2	C3	H7	119.498	C3	C2	H4	119.498
C3	C2	H5	119.498	H4	C2	H5	115.546
H6	C3	H7	115.546

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

using model chemistry: CISD/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 C2H4O (Ethylene oxide)

using model chemistry: CISD/cc-pVDZ

States and conformations

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