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	hartrees
Energy at 0K	-195.230612
Energy at 298.15K
HF Energy	-195.230612
Nuclear repulsion energy	188.358460

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3225	2918	157.92
2	A	3208	2902	16.15
3	A	3205	2899	41.34
4	A	3204	2899	43.92
5	A	3190	2886	63.31
6	A	3181	2878	79.48
7	A	3161	2860	35.16
8	A	3159	2858	18.34
9	A	3150	2850	41.97
10	A	3145	2845	18.23
11	A	1648	1491	0.09
12	A	1621	1466	2.15
13	A	1620	1466	2.20
14	A	1613	1459	3.49
15	A	1606	1453	0.03
16	A	1477	1336	0.01
17	A	1475	1334	0.04
18	A	1462	1322	0.02
19	A	1438	1301	0.40
20	A	1426	1290	0.03
21	A	1387	1255	0.67
22	A	1342	1214	0.34
23	A	1338	1210	0.23
24	A	1312	1187	0.30
25	A	1290	1167	0.02
26	A	1124	1017	0.01
27	A	1105	999	0.00
28	A	1075	972	0.30
29	A	1042	942	0.65
30	A	963	871	1.45
31	A	957	866	1.44
32	A	935	846	0.24
33	A	934	845	0.51
34	A	882	798	0.04
35	A	823	744	0.42
36	A	661	598	0.03
37	A	586	530	0.70
38	A	282	255	0.00
39	A	5i	4i	0.01

Atom	x (Å)	y (Å)	z (Å)
C1	0.863	-0.906	0.254
C2	-0.129	1.278	0.126
C3	-1.276	0.245	0.014
C4	-0.595	-1.132	-0.154
C5	1.147	0.511	-0.241
H6	-0.053	1.640	1.146
H7	-0.288	2.145	-0.504
H8	-1.926	0.462	-0.824
H9	-1.898	0.268	0.901
H10	-0.634	-1.440	-1.193
H11	-1.079	-1.908	0.425
H12	1.537	-1.649	-0.157
H13	0.960	-0.943	1.335
H14	1.281	0.499	-1.319
H15	2.040	0.947	0.191

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13	H14	H15
C1		2.4029	2.4420	1.5313	1.5276	2.8495	3.3477	3.2886	3.0693	2.1496	2.1924	1.0832	1.0865	2.1499	2.1964
C2	2.4029		1.5483	2.4708	1.5335	1.0843	1.0826	2.1911	2.1799	3.0635	3.3390	3.3797	2.7532	2.1636	2.1944
C3	2.4420	1.5483		1.5455	2.4515	2.1726	2.2029	1.0826	1.0828	2.1705	2.2015	3.3959	2.8562	2.8949	3.3942
C4	1.5313	2.4708	1.5455		2.3962	3.1087	3.3091	2.1815	2.1833	1.0847	1.0827	2.1940	2.1616	2.7450	3.3740
C5	1.5276	1.5335	2.4515	2.3962		2.1536	2.1902	3.1285	3.2610	2.8080	3.3544	2.1961	2.1521	1.0862	1.0831
H6	2.8495	1.0843	2.1726	3.1087	2.1536		1.7404	2.9623	2.3119	3.9105	3.7635	3.8782	2.7806	3.0255	2.4026
H7	3.3477	1.0826	2.2029	3.3091	2.1902	1.7404		2.3704	2.8440	3.6666	4.2326	4.2235	3.8037	2.4149	2.7077
H8	3.2886	2.1911	1.0826	2.1815	3.1285	2.9623	2.3704		1.7364	2.3284	2.8098	4.1099	3.8684	3.2448	4.1222
H9	3.0693	2.1799	1.0828	2.1833	3.2610	2.3119	2.8440	1.7364		2.9829	2.3733	4.0728	3.1335	3.8836	4.0583
H10	2.1496	3.0635	2.1705	1.0847	2.8080	3.9105	3.6666	2.3284	2.9829		1.7421	2.4146	3.0301	2.7278	3.8422
H11	2.1924	3.3390	2.2015	1.0827	3.3544	3.7635	4.2326	2.8098	2.3733	1.7421		2.6924	2.4331	3.7952	4.2353
H12	1.0832	3.3797	3.3959	2.1940	2.1961	3.8782	4.2235	4.1099	4.0728	2.4146	2.6924		1.7488	2.4553	2.6671
H13	1.0865	2.7532	2.8562	2.1616	2.1521	2.7806	3.8037	3.8684	3.1335	3.0301	2.4331	1.7488		3.0373	2.4593
H14	2.1499	2.1636	2.8949	2.7450	1.0862	3.0255	2.4149	3.2448	3.8836	2.7278	3.7952	2.4553	3.0373		1.7478
H15	2.1964	2.1944	3.3942	3.3740	1.0831	2.4026	2.7077	4.1222	4.0583	3.8422	4.2353	2.6671	2.4593	1.7478

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C4	C3	105.058	C1	C4	H10	109.324
C1	C4	H11	112.889	C1	C5	C2	103.437
C1	C5	H14	109.512	C1	C5	H15	113.455
C2	C3	C4	105.997	C2	C3	H8	111.554
C2	C3	H9	110.646	C2	C5	H14	110.188
C2	C5	H15	112.864	C3	C2	C5	105.400
C3	C2	H6	109.987	C3	C2	H7	112.516
C3	C4	H10	109.986	C3	C4	H11	112.596
C4	C1	C5	103.133	C4	C1	H12	112.987
C4	C1	H13	110.167	C4	C3	H8	110.985
C4	C3	H9	111.114	C5	C1	H12	113.428
C5	C1	H13	109.675	C5	C2	H6	109.515
C5	C2	H7	112.552	H6	C2	H7	106.878
H8	C3	H9	106.620	H10	C4	H11	106.981
H12	C1	H13	107.421	H14	C5	H15	107.357

All results from a given calculation for C₅H₁₀ (Cyclopentane)

using model chemistry: HF/daug-cc-pVTZ

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	-0.847
2	C	-0.766
3	C	-0.790
4	C	-0.757
5	C	-0.812
6	H	0.341
7	H	0.412
8	H	0.313
9	H	0.278
10	H	0.352
11	H	0.452
12	H	0.454
13	H	0.465
14	H	0.445
15	H	0.459

	x	y	z	Total
	0.014	-0.005	0.000	0.015
CHELPG
AIM
ESP

	x	y	z
x	8.615	0.004	0.000
y	0.004	8.621	0.015
z	0.000	0.015	7.490

<r²>	115.043
(<r²>)^1/2	10.726

All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: HF/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₅H₁₀ (Cyclopentane)