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	hartrees
Energy at 0K	-31.988345
Energy at 298.15K	-31.997612
Nuclear repulsion energy	92.249449

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3413	3076	46.45
2	A'	3294	2970	150.83
3	A'	3260	2939	84.93
4	A'	3234	2915	47.88
5	A'	3204	2888	42.58
6	A'	1809	1631	3.46
7	A'	1654	1491	1.78
8	A'	1629	1469	2.47
9	A'	1467	1323	1.05
10	A'	1346	1213	2.61
11	A'	1228	1107	0.04
12	A'	1187	1070	14.17
13	A'	1046	943	4.51
14	A'	965	870	0.92
15	A'	900	811	0.99
16	A'	807	728	66.06
17	A'	665	599	10.81
18	A'	174	157	0.29
19	A"	3375	3042	15.98
20	A"	3257	2936	39.36
21	A"	3206	2890	128.36
22	A"	1638	1477	2.28
23	A"	1512	1363	4.38
24	A"	1454	1311	0.21
25	A"	1445	1303	2.95
26	A"	1342	1210	0.02
27	A"	1254	1131	2.07
28	A"	1135	1023	1.21
29	A"	1092	985	0.00
30	A"	992	894	6.72
31	A"	964	869	5.13
32	A"	834	752	0.78
33	A"	417	376	0.03

Atom	x (Å)	y (Å)	z (Å)
C1	0.290	-1.186	0.000
C2	-0.077	-0.315	1.243
C3	-0.077	-0.315	-1.243
C4	-0.077	1.105	0.675
C5	-0.077	1.105	-0.675
H6	1.362	-1.382	0.000
H7	-0.221	-2.147	0.000
H8	-1.063	-0.570	1.639
H9	-1.063	-0.570	-1.639
H10	-0.103	1.986	1.295
H11	-0.103	1.986	-1.295
H12	0.635	-0.439	-2.058
H13	0.635	-0.439	2.058

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13
C1		1.5611	1.5611	2.4160	2.4160	1.0894	1.0888	2.2127	2.2127	3.4481	3.4481	2.2160	2.2160
C2	1.5611		2.4852	1.5293	2.3860	2.1801	2.2183	1.0923	3.0560	2.3015	3.4254	3.3788	1.0896
C3	1.5611	2.4852		2.3860	1.5293	2.1801	2.2183	3.0560	1.0923	3.4254	2.3015	1.0896	3.3788
C4	2.4160	1.5293	2.3860		1.3497	2.9512	3.3244	2.1692	3.0215	1.0775	2.1579	3.2188	2.1921
C5	2.4160	2.3860	1.5293	1.3497		2.9512	3.3244	3.0215	2.1692	2.1579	1.0775	2.1921	3.2188
H6	1.0894	2.1801	2.1801	2.9512	2.9512		1.7580	3.0371	3.0371	3.8938	3.8938	2.3774	2.3774
H7	1.0888	2.2183	2.2183	3.3244	3.3244	1.7580		2.4255	2.4255	4.3326	4.3326	2.8077	2.8077
H8	2.2127	1.0923	3.0560	2.1692	3.0215	3.0371	2.4255		3.2779	2.7514	4.0075	4.0701	1.7532
H9	2.2127	3.0560	1.0923	3.0215	2.1692	3.0371	2.4255	3.2779		4.0075	2.7514	1.7532	4.0701
H10	3.4481	2.3015	3.4254	1.0775	2.1579	3.8938	4.3326	2.7514	4.0075		2.5899	4.2034	2.6473
H11	3.4481	3.4254	2.3015	2.1579	1.0775	3.8938	4.3326	4.0075	2.7514	2.5899		2.6473	4.2034
H12	2.2160	3.3788	1.0896	3.2188	2.1921	2.3774	2.8077	4.0701	1.7532	4.2034	2.6473		4.1160
H13	2.2160	1.0896	3.3788	2.1921	3.2188	2.3774	2.8077	1.7532	4.0701	2.6473	4.2034	4.1160

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	102.843	C1	C2	H8	111.787
C1	C2	H13	112.216	C1	C3	C5	102.843
C1	C3	H9	111.787	C1	C3	H12	112.216
C2	C1	C3	105.493	C2	C1	H6	109.387
C2	C1	H7	112.453	C2	C4	C5	111.794
C2	C4	H10	123.047	C3	C1	H6	109.387
C3	C1	H7	112.453	C3	C5	C4	111.794
C3	C5	H11	123.047	C4	C2	H8	110.569
C4	C2	H13	112.573	C4	C5	H11	125.136
C5	C3	H9	110.569	C5	C3	H12	112.573
C5	C4	H10	125.136	H6	C1	H7	107.625
H8	C2	H13	106.938	H9	C3	H12	106.938

All results from a given calculation for C₅H₈ (Cyclopentene)

using model chemistry: HF/CEP-31G

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	C	-0.203
2	C	-0.157
3	C	-0.157
4	C	-0.296
5	C	-0.296
6	H	0.091
7	H	0.109
8	H	0.095
9	H	0.095
10	H	0.255
11	H	0.255
12	H	0.104
13	H	0.104

	x	y	z	Total
	-0.091	-0.293	0.000	0.306
CHELPG
AIM
ESP

	x	y	z
x	5.208	-0.048	0.000
y	-0.048	7.044	0.000
z	0.000	0.000	9.031

<r²>	90.125
(<r²>)^1/2	9.493

All results from a given calculation for C5H8 (Cyclopentene)

using model chemistry: HF/CEP-31G

States and conformations

All results from a given calculation for C₅H₈ (Cyclopentene)