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	hartrees
Energy at 0K	-228.946091
Energy at 298.15K	-228.953348
Nuclear repulsion energy	171.680008

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3317	3099	5.71
2	A₁	3119	2914	11.22
3	A₁	1748	1633	0.75
4	A₁	1645	1537	0.04
5	A₁	1431	1337	0.18
6	A₁	1200	1121	1.38
7	A₁	980	916	7.90
8	A₁	896	837	10.84
9	A₁	757	707	6.68
10	A₂	3144	2937	0.00
11	A₂	1261	1178	0.00
12	A₂	1132	1058	0.00
13	A₂	1008	941	0.00
14	A₂	400	374	0.00
15	B₁	3149	2942	87.88
16	B₁	1224	1143	7.92
17	B₁	1081	1011	19.25
18	B₁	731	683	42.08
19	B₁	123	115	12.21
20	B₂	3287	3071	1.31
21	B₂	3113	2908	90.35
22	B₂	1633	1526	3.53
23	B₂	1422	1328	4.36
24	B₂	1388	1296	0.96
25	B₂	1117	1044	77.27
26	B₂	914	854	0.10
27	B₂	840	785	1.81

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.221
C2	0.000	1.201	0.370
C3	0.000	0.664	-1.057
C4	0.000	-0.664	-1.057
C5	0.000	-1.201	0.370
H6	0.890	1.799	0.582
H7	-0.890	1.799	0.582
H8	-0.890	-1.799	0.582
H9	0.890	-1.799	0.582
H10	0.000	1.310	-1.921
H11	0.000	-1.310	-1.921

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4722	2.3725	2.3725	1.4722	2.1058	2.1058	2.1058	2.1058	3.4035	3.4035
C2	1.4722		1.5247	2.3481	2.4026	1.0925	1.0925	3.1362	3.1362	2.2929	3.3988
C3	2.3725	1.5247		1.3272	2.3481	2.1832	2.1832	3.0887	3.0887	1.0787	2.1542
C4	2.3725	2.3481	1.3272		1.5247	3.0887	3.0887	2.1832	2.1832	2.1542	1.0787
C5	1.4722	2.4026	2.3481	1.5247		3.1362	3.1362	1.0925	1.0925	3.3988	2.2929
H6	2.1058	1.0925	2.1832	3.0887	3.1362		1.7796	4.0131	3.5970	2.7007	4.0887
H7	2.1058	1.0925	2.1832	3.0887	3.1362	1.7796		3.5970	4.0131	2.7007	4.0887
H8	2.1058	3.1362	3.0887	2.1832	1.0925	4.0131	3.5970		1.7796	4.0887	2.7007
H9	2.1058	3.1362	3.0887	2.1832	1.0925	3.5970	4.0131	1.7796		4.0887	2.7007
H10	3.4035	2.2929	1.0787	2.1542	3.3988	2.7007	2.7007	4.0887	4.0887		2.6199
H11	3.4035	3.3988	2.1542	1.0787	2.2929	4.0887	4.0887	2.7007	2.7007	2.6199

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	104.664	O1	C2	H6	109.493
O1	C2	H7	109.493	O1	C5	C4	104.664
O1	C5	H8	109.493	O1	C5	H9	109.493
C2	O1	C5	109.371	C2	C3	C4	110.651
C2	C3	H10	122.535	C3	C2	H6	112.006
C3	C2	H7	112.006	C3	C4	C5	110.651
C3	C4	H11	126.814	C4	C3	H10	126.814
C4	C5	H8	112.006	C4	C5	H9	112.006
C5	C4	H11	122.535	H6	C2	H7	109.072
H8	C5	H9	109.072

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

using model chemistry: CISD/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: CISD/3-21G*

States and conformations

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