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	hartrees
Energy at 0K	-196.444774
Energy at 298.15K
HF Energy	-196.444774
Nuclear repulsion energy	186.800733

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3134	3002	110.76
2	A	3118	2987	20.90
3	A	3117	2985	15.61
4	A	3110	2978	21.87
5	A	3101	2970	31.41
6	A	3074	2944	52.90
7	A	3059	2929	37.20
8	A	3055	2926	19.40
9	A	3050	2921	36.15
10	A	3046	2918	27.31
11	A	1561	1495	0.23
12	A	1540	1475	7.09
13	A	1538	1473	4.95
14	A	1535	1470	5.43
15	A	1530	1465	0.49
16	A	1381	1322	0.26
17	A	1378	1320	0.24
18	A	1362	1304	0.19
19	A	1354	1297	0.06
20	A	1347	1290	1.06
21	A	1305	1249	1.14
22	A	1266	1213	0.22
23	A	1250	1197	0.62
24	A	1234	1182	0.33
25	A	1199	1148	0.00
26	A	1085	1039	0.05
27	A	1078	1033	0.00
28	A	1033	990	1.00
29	A	1002	959	1.80
30	A	931	891	3.02
31	A	925	886	3.08
32	A	902	864	0.59
33	A	889	852	1.03
34	A	844	808	0.35
35	A	791	757	1.96
36	A	636	609	0.24
37	A	566	542	2.11
38	A	260	249	0.00
39	A	27i	26i	0.00

Atom	x (Å)	y (Å)	z (Å)
C1	1.026	-0.736	0.249
C2	-0.370	1.240	0.124
C3	-1.308	0.002	0.015
C4	-0.377	-1.232	-0.152
C5	1.039	0.724	-0.236
H6	-0.371	1.623	1.153
H7	-0.689	2.065	-0.523
H8	-1.995	0.093	-0.835
H9	-1.930	-0.092	0.913
H10	-0.364	-1.555	-1.202
H11	-0.708	-2.090	0.443
H12	1.832	-1.342	-0.181
H13	1.140	-0.764	1.343
H14	1.186	0.749	-1.325
H15	1.839	1.322	0.215

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13	H14	H15
C1		2.4226	2.4597	1.5417	1.5379	2.8865	3.3737	3.3152	3.0978	2.1704	2.2089	1.0967	1.0995	2.1698	2.2125
C2	2.4226		1.5572	2.4872	1.5436	1.0977	1.0957	2.2084	2.1977	3.0932	3.3624	3.4075	2.7899	2.1824	2.2121
C3	2.4597	1.5572		1.5549	2.4688	2.1916	2.2195	1.0960	1.0964	2.1895	2.2185	3.4219	2.8890	2.9280	3.4185
C4	1.5417	2.4872	1.5549		2.4159	3.1391	3.3319	2.1996	2.2013	1.0983	1.0956	2.2123	2.1805	2.7822	3.4009
C5	1.5379	1.5436	2.4688	2.4159		2.1740	2.2065	3.1566	3.2868	2.8448	3.3809	2.2134	2.1718	1.0993	1.0958
H6	2.8865	1.0977	2.1916	3.1391	2.1740		1.7619	2.9886	2.3306	3.9551	3.7956	3.9275	2.8320	3.0542	2.4187
H7	3.3737	1.0957	2.2195	3.3319	2.2065	1.7619		2.3856	2.8725	3.6966	4.2656	4.2523	3.8512	2.4272	2.7363
H8	3.3152	2.2084	1.0960	2.1996	3.1566	2.9886	2.3856		1.7583	2.3467	2.8380	4.1394	3.9122	3.2846	4.1607
H9	3.0978	2.1977	1.0964	2.2013	3.2868	2.3306	2.8725	1.7583		3.0104	2.3892	4.1130	3.1726	3.9274	4.0854
H10	2.1704	3.0932	2.1895	1.0983	2.8448	3.9551	3.6966	2.3467	3.0104		1.7636	2.4316	3.0597	2.7789	3.8906
H11	2.2089	3.3624	2.2185	1.0956	3.3809	3.7956	4.2656	2.8380	2.3892	1.7636		2.7205	2.4457	3.8433	4.2637
H12	1.0967	3.4075	3.4219	2.2123	2.2134	3.9275	4.2523	4.1394	4.1130	2.4316	2.7205		1.7704	2.4696	2.6935
H13	1.0995	2.7899	2.8890	2.1805	2.1718	2.8320	3.8512	3.9122	3.1726	3.0597	2.4457	1.7704		3.0675	2.4723
H14	2.1698	2.1824	2.9280	2.7822	1.0993	3.0542	2.4272	3.2846	3.9274	2.7789	3.8433	2.4696	3.0675		1.7688
H15	2.2125	2.2121	3.4185	3.4009	1.0958	2.4187	2.7363	4.1607	4.0854	3.8906	4.2637	2.6935	2.4723	1.7688

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C4	C3	105.185	C1	C4	H10	109.447
C1	C4	H11	112.675	C1	C5	C2	103.658
C1	C5	H14	109.602	C1	C5	H15	113.221
C2	C3	C4	106.110	C2	C3	H8	111.495
C2	C3	H9	110.627	C2	C5	H14	110.194
C2	C5	H15	112.775	C3	C2	C5	105.530
C3	C2	H6	110.068	C3	C2	H7	112.403
C3	C4	H10	110.032	C3	C4	H11	112.500
C4	C1	C5	103.345	C4	C1	H12	112.881
C4	C1	H13	110.162	C4	C3	H8	110.963
C4	C3	H9	111.076	C5	C1	H12	113.247
C5	C1	H13	109.748	C5	C2	H6	109.632
C5	C2	H7	112.335	H6	C2	H7	106.889
H8	C3	H9	106.641	H10	C4	H11	107.005
H12	C1	H13	107.435	H14	C5	H15	107.373

All results from a given calculation for C₅H₁₀ (Cyclopentane)

using model chemistry: B3PW91/6-31G

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	-0.309
2	C	-0.311
3	C	-0.310
4	C	-0.310
5	C	-0.309
6	H	0.157
7	H	0.154
8	H	0.156
9	H	0.157
10	H	0.156
11	H	0.154
12	H	0.153
13	H	0.154
14	H	0.155
15	H	0.153

	x	y	z	Total
	-0.009	0.002	0.001	0.009
CHELPG
AIM
ESP

	x	y	z
x	7.594	-0.001	-0.001
y	-0.001	7.597	0.008
z	-0.001	0.008	7.016

<r²>	116.174
(<r²>)^1/2	10.778

All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: B3PW91/6-31G

States and conformations

All results from a given calculation for C₅H₁₀ (Cyclopentane)