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	hartrees
Energy at 0K	-229.796598
Energy at 298.15K	-229.804056
Nuclear repulsion energy	175.577998

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3398	3067	11.35
2	A₁	3173	2864	17.65
3	A₁	1859	1678	0.30
4	A₁	1672	1509	0.07
5	A₁	1546	1395	13.27
6	A₁	1218	1100	0.81
7	A₁	1059	956	20.19
8	A₁	1015	917	16.22
9	A₁	812	733	9.47
10	A₂	3193	2882	0.00
11	A₂	1335	1205	0.00
12	A₂	1174	1060	0.00
13	A₂	1068	964	0.00
14	A₂	424	382	0.00
15	B₁	3197	2885	144.37
16	B₁	1301	1175	1.34
17	B₁	1141	1030	32.03
18	B₁	761	687	31.07
19	B₁	135	122	10.30
20	B₂	3372	3044	4.66
21	B₂	3166	2857	170.22
22	B₂	1660	1498	7.57
23	B₂	1511	1363	2.43
24	B₂	1454	1313	0.15
25	B₂	1270	1146	138.25
26	B₂	988	892	0.02
27	B₂	879	793	1.84

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.169
C2	0.000	1.163	0.376
C3	0.000	0.657	-1.040
C4	0.000	-0.657	-1.040
C5	0.000	-1.163	0.376
H6	0.878	1.765	0.601
H7	-0.878	1.765	0.601
H8	-0.878	-1.765	0.601
H9	0.878	-1.765	0.601
H10	0.000	1.303	-1.898
H11	0.000	-1.303	-1.898

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4076	2.3045	2.3045	1.4076	2.0512	2.0512	2.0512	2.0512	3.3323	3.3323
C2	1.4076		1.5033	2.3054	2.3254	1.0882	1.0882	3.0644	3.0644	2.2780	3.3540
C3	2.3045	1.5033		1.3138	2.3054	2.1659	2.1659	3.0541	3.0541	1.0741	2.1395
C4	2.3045	2.3054	1.3138		1.5033	3.0541	3.0541	2.1659	2.1659	2.1395	1.0741
C5	1.4076	2.3254	2.3054	1.5033		3.0644	3.0644	1.0882	1.0882	3.3540	2.2780
H6	2.0512	1.0882	2.1659	3.0541	3.0644		1.7565	3.9420	3.5290	2.6888	4.0529
H7	2.0512	1.0882	2.1659	3.0541	3.0644	1.7565		3.5290	3.9420	2.6888	4.0529
H8	2.0512	3.0644	3.0541	2.1659	1.0882	3.9420	3.5290		1.7565	4.0529	2.6888
H9	2.0512	3.0644	3.0541	2.1659	1.0882	3.5290	3.9420	1.7565		4.0529	2.6888
H10	3.3323	2.2780	1.0741	2.1395	3.3540	2.6888	2.6888	4.0529	4.0529		2.6060
H11	3.3323	3.3540	2.1395	1.0741	2.2780	4.0529	4.0529	2.6888	2.6888	2.6060

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	104.642	O1	C2	H6	109.879
O1	C2	H7	109.879	O1	C5	C4	104.642
O1	C5	H8	109.879	O1	C5	H9	109.879
C2	O1	C5	111.389	C2	C3	C4	109.663
C2	C3	H10	123.357	C3	C2	H6	112.404
C3	C2	H7	112.404	C3	C4	C5	109.663
C3	C4	H11	126.980	C4	C3	H10	126.980
C4	C5	H8	112.404	C4	C5	H9	112.404
C5	C4	H11	123.357	H6	C2	H7	107.614
H8	C5	H9	107.614

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

using model chemistry: HF/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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Number	Element	Mulliken
1	O	-0.664
2	C	0.139
3	C	-0.183
4	C	-0.183
5	C	0.139
6	H	0.113
7	H	0.113
8	H	0.113
9	H	0.113
10	H	0.150
11	H	0.150

<r²>	93.102
(<r²>)^1/2	9.649

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

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

States and conformations

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