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	hartrees
Energy at 0K	-228.508896
Energy at 298.15K	-228.516375
Nuclear repulsion energy	173.388035

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3421	3098	6.17
2	A₁	3217	2913	14.38
3	A₁	1835	1662	0.87
4	A₁	1698	1538	0.02
5	A₁	1499	1358	0.47
6	A₁	1245	1128	1.29
7	A₁	1010	914	10.08
8	A₁	950	860	18.48
9	A₁	791	717	8.65
10	A₂	3243	2937	0.00
11	A₂	1326	1200	0.00
12	A₂	1189	1077	0.00
13	A₂	1101	997	0.00
14	A₂	428	388	0.00
15	B₁	3249	2942	96.23
16	B₁	1294	1172	7.81
17	B₁	1128	1021	29.68
18	B₁	789	714	47.86
19	B₁	156	141	15.40
20	B₂	3392	3072	1.46
21	B₂	3211	2908	102.40
22	B₂	1685	1526	3.95
23	B₂	1483	1343	3.27
24	B₂	1454	1316	0.12
25	B₂	1190	1077	94.92
26	B₂	943	854	0.01
27	B₂	887	803	1.54

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	1.199
C2	0.000	1.192	0.371
C3	0.000	0.657	-1.048
C4	0.000	-0.657	-1.048
C5	0.000	-1.192	0.371
H6	0.882	1.782	0.586
H7	-0.882	1.782	0.586
H8	-0.882	-1.782	0.586
H9	0.882	-1.782	0.586
H10	0.000	1.296	-1.905
H11	0.000	-1.296	-1.905

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11
O1		1.4514	2.3408	2.3408	1.4514	2.0806	2.0806	2.0806	2.0806	3.3636	3.3636
C2	1.4514		1.5171	2.3310	2.3848	1.0824	1.0824	3.1098	3.1098	2.2788	3.3725
C3	2.3408	1.5171		1.3133	2.3310	2.1712	2.1712	3.0651	3.0651	1.0692	2.1324
C4	2.3408	2.3310	1.3133		1.5171	3.0651	3.0651	2.1712	2.1712	2.1324	1.0692
C5	1.4514	2.3848	2.3310	1.5171		3.1098	3.1098	1.0824	1.0824	3.3725	2.2788
H6	2.0806	1.0824	2.1712	3.0651	3.1098		1.7639	3.9767	3.5640	2.6869	4.0567
H7	2.0806	1.0824	2.1712	3.0651	3.1098	1.7639		3.5640	3.9767	2.6869	4.0567
H8	2.0806	3.1098	3.0651	2.1712	1.0824	3.9767	3.5640		1.7639	4.0567	2.6869
H9	2.0806	3.1098	3.0651	2.1712	1.0824	3.5640	3.9767	1.7639		4.0567	2.6869
H10	3.3636	2.2788	1.0692	2.1324	3.3725	2.6869	2.6869	4.0567	4.0567		2.5918
H11	3.3636	3.3725	2.1324	1.0692	2.2788	4.0567	4.0567	2.6869	2.6869	2.5918

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	104.079	O1	C2	H6	109.545
O1	C2	H7	109.545	O1	C5	C4	104.079
O1	C5	H8	109.545	O1	C5	H9	109.545
C2	O1	C5	110.486	C2	C3	C4	110.679
C2	C3	H10	122.608	C3	C2	H6	112.199
C3	C2	H7	112.199	C3	C4	C5	110.679
C3	C4	H11	126.714	C4	C3	H10	126.714
C4	C5	H8	112.199	C4	C5	H9	112.199
C5	C4	H11	122.608	H6	C2	H7	109.141
H8	C5	H9	109.141

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

using model chemistry: HF/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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Number	Element	Mulliken
1	O	-0.642
2	C	-0.075
3	C	-0.277
4	C	-0.277
5	C	-0.075
6	H	0.216
7	H	0.216
8	H	0.216
9	H	0.216
10	H	0.241
11	H	0.241

<r²>	95.068
(<r²>)^1/2	9.750

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

using model chemistry: HF/3-21G

States and conformations

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