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	hartrees
Energy at 0K	-230.686374
Energy at 298.15K	-230.693459
HF Energy	-229.811378
Nuclear repulsion energy	174.876317

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3306	3107	3.60
2	A₁	3066	2882	6.53
3	A₁	1684	1583	0.38
4	A₁	1563	1469	0.56
5	A₁	1418	1333	4.42
6	A₁	1129	1061	1.46
7	A₁	1027	966	8.21
8	A₁	945	889	15.19
9	A₁	758	713	6.29
10	A₂	3100	2914	0.00
11	A₂	1262	1187	0.00
12	A₂	1079	1014	0.00
13	A₂	958	900	0.00
14	A₂	391	367	0.00
15	B₁	3102	2915	71.91
16	B₁	1212	1139	2.29
17	B₁	1047	984	14.72
18	B₁	692	651	27.71
19	B₁	44	41	6.85
20	B₂	3281	3084	0.33
21	B₂	3062	2878	111.87
22	B₂	1552	1459	2.19
23	B₂	1390	1307	2.68
24	B₂	1343	1262	0.00
25	B₂	1167	1097	101.02
26	B₂	951	894	0.00
27	B₂	813	764	1.63

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.183
C2	0.000	1.163	0.370
C3	0.000	0.665	-1.039
C4	0.000	-0.665	-1.039
C5	0.000	-1.163	0.370
H6	0.884	1.771	0.592
H7	-0.884	1.771	0.592
H8	-0.884	-1.771	0.592
H9	0.884	-1.771	0.592
H10	0.000	1.314	-1.901
H11	0.000	-1.314	-1.901

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4190	2.3199	2.3199	1.4190	2.0658	2.0658	2.0658	2.0658	3.3528	3.3528
C2	1.4190		1.4946	2.3077	2.3253	1.0957	1.0957	3.0722	3.0722	2.2760	3.3605
C3	2.3199	1.4946		1.3296	2.3077	2.1604	2.1604	3.0624	3.0624	1.0792	2.1587
C4	2.3199	2.3077	1.3296		1.4946	3.0624	3.0624	2.1604	2.1604	2.1587	1.0792
C5	1.4190	2.3253	2.3077	1.4946		3.0722	3.0722	1.0957	1.0957	3.3605	2.2760
H6	2.0658	1.0957	2.1604	3.0624	3.0722		1.7671	3.9590	3.5428	2.6845	4.0645
H7	2.0658	1.0957	2.1604	3.0624	3.0722	1.7671		3.5428	3.9590	2.6845	4.0645
H8	2.0658	3.0722	3.0624	2.1604	1.0957	3.9590	3.5428		1.7671	4.0645	2.6845
H9	2.0658	3.0722	3.0624	2.1604	1.0957	3.5428	3.9590	1.7671		4.0645	2.6845
H10	3.3528	2.2760	1.0792	2.1587	3.3605	2.6845	2.6845	4.0645	4.0645		2.6290
H11	3.3528	3.3605	2.1587	1.0792	2.2760	4.0645	4.0645	2.6845	2.6845	2.6290

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	105.521	O1	C2	H6	109.804
O1	C2	H7	109.804	O1	C5	C4	105.521
O1	C5	H8	109.804	O1	C5	H9	109.804
C2	O1	C5	110.043	C2	C3	C4	109.457
C2	C3	H10	123.528	C3	C2	H6	112.116
C3	C2	H7	112.116	C3	C4	C5	109.457
C3	C4	H11	127.014	C4	C3	H10	127.014
C4	C5	H8	112.116	C4	C5	H9	112.116
C5	C4	H11	123.528	H6	C2	H7	107.476
H8	C5	H9	107.476

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

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)

States and conformations

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