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	hartrees
Energy at 0K	-153.401675
Energy at 298.15K
HF Energy	-152.887130
Nuclear repulsion energy	74.491528

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3131	3033	15.40
2	A₁	1541	1493	2.37
3	A₁	1299	1258	11.16
4	A₁	1151	1115	0.02
5	A₁	889	861	70.42
6	A₂	3213	3113	0.00
7	A₂	1167	1130	0.00
8	A₂	1038	1005	0.00
9	B₁	3229	3128	38.09
10	B₁	1156	1120	4.21
11	B₁	810	785	0.11
12	B₂	3121	3024	32.45
13	B₂	1499	1452	0.00
14	B₂	1158	1121	0.08
15	B₂	831	805	8.47

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.864
C2	0.000	0.739	-0.379
C3	0.000	-0.739	-0.379
H4	0.930	1.278	-0.592
H5	-0.930	1.278	-0.592
H6	-0.930	-1.278	-0.592
H7	0.930	-1.278	-0.592

	O1	C2	C3	H4	H5	H6	H7
O1		1.4464	1.4464	2.1492	2.1492	2.1492	2.1492
C2	1.4464		1.4781	1.0957	1.0957	2.2311	2.2311
C3	1.4464	1.4781		2.2311	2.2311	1.0957	1.0957
H4	2.1492	1.0957	2.2311		1.8599	3.1607	2.5556
H5	2.1492	1.0957	2.2311	1.8599		2.5556	3.1607
H6	2.1492	2.2311	1.0957	3.1607	2.5556		1.8599
H7	2.1492	2.2311	1.0957	2.5556	3.1607	1.8599

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	59.271	O1	C2	H4	114.744
O1	C2	H5	114.744	O1	C3	C2	59.271
O1	C3	H6	114.744	O1	C3	H7	114.744
C2	O1	C3	61.458	C2	C3	H6	119.450
C2	C3	H7	119.450	C3	C2	H4	119.450
C3	C2	H5	119.450	H4	C2	H5	116.150
H6	C3	H7	116.150

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

using model chemistry: QCISD/aug-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: QCISD/aug-cc-pVDZ

States and conformations

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