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	hartrees
Energy at 0K	-229.723308
Energy at 298.15K	-229.730814
Nuclear repulsion energy	173.270246

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3448	3104	15.82
2	A₁	3244	2921	14.36
3	A₁	1819	1638	0.00
4	A₁	1677	1510	1.53
5	A₁	1512	1362	1.65
6	A₁	1230	1108	2.10
7	A₁	1054	949	16.37
8	A₁	956	861	27.59
9	A₁	802	722	8.99
10	A₂	3285	2958	0.00
11	A₂	1308	1178	0.00
12	A₂	1179	1062	0.00
13	A₂	1076	969	0.00
14	A₂	440	396	0.00
15	B₁	3291	2963	118.99
16	B₁	1277	1150	3.81
17	B₁	1141	1027	32.71
18	B₁	779	701	64.69
19	B₁	169	152	22.32
20	B₂	3416	3076	4.49
21	B₂	3238	2916	159.19
22	B₂	1668	1502	0.02
23	B₂	1495	1346	4.52
24	B₂	1461	1315	0.21
25	B₂	1203	1083	113.07
26	B₂	995	896	0.16
27	B₂	880	792	1.19

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.189
C2	0.000	1.196	0.371
C3	0.000	0.665	-1.047
C4	0.000	-0.665	-1.047
C5	0.000	-1.196	0.371
H6	0.881	1.782	0.601
H7	-0.881	1.782	0.601
H8	-0.881	-1.782	0.601
H9	0.881	-1.782	0.601
H10	0.000	1.302	-1.906
H11	0.000	-1.302	-1.906

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4491	2.3324	2.3324	1.4491	2.0731	2.0731	2.0731	2.0731	3.3581	3.3581
C2	1.4491		1.5141	2.3394	2.3924	1.0823	1.0823	3.1142	3.1142	2.2798	3.3807
C3	2.3324	1.5141		1.3293	2.3394	2.1766	2.1766	3.0781	3.0781	1.0703	2.1466
C4	2.3324	2.3394	1.3293		1.5141	3.0781	3.0781	2.1766	2.1766	2.1466	1.0703
C5	1.4491	2.3924	2.3394	1.5141		3.1142	3.1142	1.0823	1.0823	3.3807	2.2798
H6	2.0731	1.0823	2.1766	3.0781	3.1142		1.7614	3.9755	3.5640	2.6999	4.0710
H7	2.0731	1.0823	2.1766	3.0781	3.1142	1.7614		3.5640	3.9755	2.6999	4.0710
H8	2.0731	3.1142	3.0781	2.1766	1.0823	3.9755	3.5640		1.7614	4.0710	2.6999
H9	2.0731	3.1142	3.0781	2.1766	1.0823	3.5640	3.9755	1.7614		4.0710	2.6999
H10	3.3581	2.2798	1.0703	2.1466	3.3807	2.6999	2.6999	4.0710	4.0710		2.6047
H11	3.3581	3.3807	2.1466	1.0703	2.2798	4.0710	4.0710	2.6999	2.6999	2.6047

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	103.812	O1	C2	H6	109.094
O1	C2	H7	109.094	O1	C5	C4	103.812
O1	C5	H8	109.094	O1	C5	H9	109.094
C2	O1	C5	111.270	C2	C3	C4	110.553
C2	C3	H10	122.877	C3	C2	H6	112.863
C3	C2	H7	112.863	C3	C4	C5	110.553
C3	C4	H11	126.570	C4	C3	H10	126.570
C4	C5	H8	112.863	C4	C5	H9	112.863
C5	C4	H11	122.877	H6	C2	H7	108.917
H8	C5	H9	108.917

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

using model chemistry: HF/SDD

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	-0.509
2	C	-0.130
3	C	-0.205
4	C	-0.205
5	C	-0.130
6	H	0.185
7	H	0.185
8	H	0.185
9	H	0.185
10	H	0.218
11	H	0.218

<r²>	0.000
(<r²>)^1/2	0.000

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

using model chemistry: HF/SDD

States and conformations

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