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	hartrees
Energy at 0K	-228.985690
Energy at 298.15K	-228.992794
HF Energy	-228.505202
Nuclear repulsion energy	170.512546

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3270	3100	5.74
2	A₁	3076	2916	9.13
3	A₁	1659	1573	0.58
4	A₁	1623	1539	0.00
5	A₁	1391	1319	0.10
6	A₁	1176	1115	1.40
7	A₁	961	911	7.24
8	A₁	848	804	6.65
9	A₁	730	692	5.60
10	A₂	3107	2946	0.00
11	A₂	1231	1167	0.00
12	A₂	1109	1052	0.00
13	A₂	951	901	0.00
14	A₂	382	362	0.00
15	B₁	3112	2950	86.24
16	B₁	1188	1127	9.60
17	B₁	1056	1001	12.34
18	B₁	697	661	41.24
19	B₁	101	96	10.56
20	B₂	3241	3072	1.42
21	B₂	3072	2912	85.71
22	B₂	1614	1530	4.34
23	B₂	1392	1319	5.33
24	B₂	1353	1283	1.04
25	B₂	1052	997	66.59
26	B₂	898	851	0.22
27	B₂	810	768	2.66

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.237
C2	0.000	1.209	0.367
C3	0.000	0.670	-1.062
C4	0.000	-0.670	-1.062
C5	0.000	-1.209	0.367
H6	0.893	1.808	0.579
H7	-0.893	1.808	0.579
H8	-0.893	-1.808	0.579
H9	0.893	-1.808	0.579
H10	0.000	1.316	-1.931
H11	0.000	-1.316	-1.931

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4896	2.3947	2.3947	1.4896	2.1216	2.1216	2.1216	2.1216	3.4304	3.4304
C2	1.4896		1.5273	2.3609	2.4183	1.0963	1.0963	3.1541	3.1541	2.3006	3.4142
C3	2.3947	1.5273		1.3402	2.3609	2.1877	2.1877	3.1038	3.1038	1.0827	2.1678
C4	2.3947	2.3609	1.3402		1.5273	3.1038	3.1038	2.1877	2.1877	2.1678	1.0827
C5	1.4896	2.4183	2.3609	1.5273		3.1541	3.1541	1.0963	1.0963	3.4142	2.3006
H6	2.1216	1.0963	2.1877	3.1038	3.1541		1.7866	4.0339	3.6167	2.7093	4.1059
H7	2.1216	1.0963	2.1877	3.1038	3.1541	1.7866		3.6167	4.0339	2.7093	4.1059
H8	2.1216	3.1541	3.1038	2.1877	1.0963	4.0339	3.6167		1.7866	4.1059	2.7093
H9	2.1216	3.1541	3.1038	2.1877	1.0963	3.6167	4.0339	1.7866		4.1059	2.7093
H10	3.4304	2.3006	1.0827	2.1678	3.4142	2.7093	2.7093	4.1059	4.1059		2.6318
H11	3.4304	3.4142	2.1678	1.0827	2.3006	4.1059	4.1059	2.7093	2.7093	2.6318

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	105.068	O1	C2	H6	109.319
O1	C2	H7	109.319	O1	C5	C4	105.068
O1	C5	H8	109.319	O1	C5	H9	109.319
C2	O1	C5	108.533	C2	C3	C4	110.666
C2	C3	H10	122.718	C3	C2	H6	111.942
C3	C2	H7	111.942	C3	C4	C5	110.666
C3	C4	H11	126.616	C4	C3	H10	126.616
C4	C5	H8	111.942	C4	C5	H9	111.942
C5	C4	H11	122.718	H6	C2	H7	109.140
H8	C5	H9	109.140

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

using model chemistry: MP2=FULL/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: MP2=FULL/3-21G*

States and conformations

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