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	hartrees
Energy at 0K	-229.020540
Energy at 298.15K	-229.027614
HF Energy	-228.504519
Nuclear repulsion energy	170.217844

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3219	3093	7.09
2	A₁	3020	2903	9.99
3	A₁	1665	1600	0.65
4	A₁	1603	1541	0.02
5	A₁	1382	1329	0.10
6	A₁	1163	1118	1.14
7	A₁	948	911	7.41
8	A₁	847	814	7.02
9	A₁	730	701	5.57
10	A₂	3044	2925	0.00
11	A₂	1220	1172	0.00
12	A₂	1094	1051	0.00
13	A₂	941	905	0.00
14	A₂	377	363	0.00
15	B₁	3048	2930	90.36
16	B₁	1179	1133	7.89
17	B₁	1045	1005	14.38
18	B₁	692	665	38.26
19	B₁	99	95	10.55
20	B₂	3190	3066	1.86
21	B₂	3015	2898	91.64
22	B₂	1591	1530	4.19
23	B₂	1378	1324	4.95
24	B₂	1341	1289	1.90
25	B₂	1060	1018	67.11
26	B₂	884	850	0.23
27	B₂	807	776	2.51

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.236
C2	0.000	1.210	0.370
C3	0.000	0.670	-1.066
C4	0.000	-0.670	-1.066
C5	0.000	-1.210	0.370
H6	0.897	1.812	0.582
H7	-0.897	1.812	0.582
H8	-0.897	-1.812	0.582
H9	0.897	-1.812	0.582
H10	0.000	1.322	-1.935
H11	0.000	-1.322	-1.935

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4884	2.3973	2.3973	1.4884	2.1246	2.1246	2.1246	2.1246	3.4353	3.4353
C2	1.4884		1.5337	2.3661	2.4209	1.1003	1.1003	3.1597	3.1597	2.3074	3.4240
C3	2.3973	1.5337		1.3408	2.3661	2.1961	2.1961	3.1116	3.1116	1.0862	2.1735
C4	2.3973	2.3661	1.3408		1.5337	3.1116	3.1116	2.1961	2.1961	2.1735	1.0862
C5	1.4884	2.4209	2.3661	1.5337		3.1597	3.1597	1.1003	1.1003	3.4240	2.3074
H6	2.1246	1.1003	2.1961	3.1116	3.1597		1.7931	4.0432	3.6239	2.7167	4.1183
H7	2.1246	1.1003	2.1961	3.1116	3.1597	1.7931		3.6239	4.0432	2.7167	4.1183
H8	2.1246	3.1597	3.1116	2.1961	1.1003	4.0432	3.6239		1.7931	4.1183	2.7167
H9	2.1246	3.1597	3.1116	2.1961	1.1003	3.6239	4.0432	1.7931		4.1183	2.7167
H10	3.4353	2.3074	1.0862	2.1735	3.4240	2.7167	2.7167	4.1183	4.1183		2.6434
H11	3.4353	3.4240	2.1735	1.0862	2.3074	4.1183	4.1183	2.7167	2.7167	2.6434

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	104.970	O1	C2	H6	109.400
O1	C2	H7	109.400	O1	C5	C4	104.970
O1	C5	H8	109.400	O1	C5	H9	109.400
C2	O1	C5	108.829	C2	C3	C4	110.616
C2	C3	H10	122.541	C3	C2	H6	111.915
C3	C2	H7	111.915	C3	C4	C5	110.616
C3	C4	H11	126.843	C4	C3	H10	126.843
C4	C5	H8	111.915	C4	C5	H9	111.915
C5	C4	H11	122.541	H6	C2	H7	109.133
H8	C5	H9	109.133

All results from a given calculation for C₄H₆O (Furan, 2,5-dihydro-)

using model chemistry: QCISD/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 C4H6O (Furan, 2,5-dihydro-)

using model chemistry: QCISD/3-21G*

States and conformations

All results from a given calculation for C₄H₆O (Furan, 2,5-dihydro-)