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	hartrees
Energy at 0K	-230.559575
Energy at 298.15K	-230.566706
HF Energy	-229.794948
Nuclear repulsion energy	173.822097

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3304	3110	9.57
2	A₁	3073	2893	10.67
3	A₁	1730	1628	0.15
4	A₁	1595	1501	0.12
5	A₁	1446	1361	9.06
6	A₁	1151	1083	0.78
7	A₁	1021	961	8.11
8	A₁	939	884	15.22
9	A₁	763	719	7.81
10	A₂	3099	2918	0.00
11	A₂	1253	1179	0.00
12	A₂	1094	1030	0.00
13	A₂	943	888	0.00
14	A₂	375	353	0.00
15	B₁	3102	2920	114.16
16	B₁	1204	1134	2.22
17	B₁	1067	1004	20.93
18	B₁	690	649	26.79
19	B₁	77	72	8.15
20	B₂	3280	3087	3.16
21	B₂	3066	2887	141.24
22	B₂	1583	1490	7.67
23	B₂	1419	1336	0.52
24	B₂	1366	1286	0.30
25	B₂	1169	1100	104.32
26	B₂	953	898	0.64
27	B₂	818	770	2.39

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.190
C2	0.000	1.175	0.371
C3	0.000	0.667	-1.045
C4	0.000	-0.667	-1.045
C5	0.000	-1.175	0.371
H6	0.885	1.781	0.597
H7	-0.885	1.781	0.597
H8	-0.885	-1.781	0.597
H9	0.885	-1.781	0.597
H10	0.000	1.316	-1.909
H11	0.000	-1.316	-1.909

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4323	2.3330	2.3330	1.4323	2.0751	2.0751	2.0751	2.0751	3.3674	3.3674
C2	1.4323		1.5047	2.3237	2.3498	1.0961	1.0961	3.0936	3.0936	2.2849	3.3770
C3	2.3330	1.5047		1.3344	2.3237	2.1728	2.1728	3.0779	3.0779	1.0804	2.1630
C4	2.3330	2.3237	1.3344		1.5047	3.0779	3.0779	2.1728	2.1728	2.1630	1.0804
C5	1.4323	2.3498	2.3237	1.5047		3.0936	3.0936	1.0961	1.0961	3.3770	2.2849
H6	2.0751	1.0961	2.1728	3.0779	3.0936		1.7699	3.9771	3.5616	2.6986	4.0810
H7	2.0751	1.0961	2.1728	3.0779	3.0936	1.7699		3.5616	3.9771	2.6986	4.0810
H8	2.0751	3.0936	3.0779	2.1728	1.0961	3.9771	3.5616		1.7699	4.0810	2.6986
H9	2.0751	3.0936	3.0779	2.1728	1.0961	3.5616	3.9771	1.7699		4.0810	2.6986
H10	3.3674	2.2849	1.0804	2.1630	3.3770	2.6986	2.6986	4.0810	4.0810		2.6314
H11	3.3674	3.3770	2.1630	1.0804	2.2849	4.0810	4.0810	2.6986	2.6986	2.6314

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	105.168	O1	C2	H6	109.603
O1	C2	H7	109.603	O1	C5	C4	105.168
O1	C5	H8	109.603	O1	C5	H9	109.603
C2	O1	C5	110.229	C2	C3	C4	109.718
C2	C3	H10	123.397	C3	C2	H6	112.375
C3	C2	H7	112.375	C3	C4	C5	109.718
C3	C4	H11	126.886	C4	C3	H10	126.886
C4	C5	H8	112.375	C4	C5	H9	112.375
C5	C4	H11	123.397	H6	C2	H7	107.682
H8	C5	H9	107.682

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

using model chemistry: QCISD/6-31G**

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/6-31G**

States and conformations

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