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	hartrees
Energy at 0K	-152.297386
Energy at 298.15K
HF Energy	-151.999125
Nuclear repulsion energy	73.116172

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3203	2993	1.83
2	A₁	1614	1508	0.01
3	A₁	1249	1167	7.56
4	A₁	1172	1095	3.57
5	A₁	838	783	25.08
6	A₂	3275	3061	0.00
7	A₂	1232	1152	0.00
8	A₂	1031	964	0.00
9	B₁	3294	3078	35.82
10	B₁	1148	1073	1.90
11	B₁	868	811	0.02
12	B₂	3188	2979	18.61
13	B₂	1595	1490	0.08
14	B₂	1174	1097	12.63
15	B₂	811	758	2.08

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.906
C2	0.000	0.746	-0.396
C3	0.000	-0.746	-0.396
H4	0.918	1.273	-0.623
H5	-0.918	1.273	-0.623
H6	-0.918	-1.273	-0.623
H7	0.918	-1.273	-0.623

	O1	C2	C3	H4	H5	H6	H7
O1		1.5006	1.5006	2.1909	2.1909	2.1909	2.1909
C2	1.5006		1.4915	1.0825	1.0825	2.2289	2.2289
C3	1.5006	1.4915		2.2289	2.2289	1.0825	1.0825
H4	2.1909	1.0825	2.2289		1.8360	3.1384	2.5453
H5	2.1909	1.0825	2.2289	1.8360		2.5453	3.1384
H6	2.1909	2.2289	1.0825	3.1384	2.5453		1.8360
H7	2.1909	2.2289	1.0825	2.5453	3.1384	1.8360

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	60.201	O1	C2	H4	115.068
O1	C2	H5	115.068	O1	C3	C2	60.201
O1	C3	H6	115.068	O1	C3	H7	115.068
C2	O1	C3	59.598	C2	C3	H6	119.128
C2	C3	H7	119.128	C3	C2	H4	119.128
C3	C2	H5	119.128	H4	C2	H5	115.999
H6	C3	H7	115.999

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

using model chemistry: CISD/3-21G*

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/3-21G*

States and conformations

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