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	hartrees
Energy at 0K	-195.169975
Energy at 298.15K	-195.180434
Nuclear repulsion energy	176.272542

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3363	3046	23.38
2	A	3288	2977	11.65
3	A	3252	2945	29.31
4	A	3243	2936	58.16
5	A	3235	2929	54.54
6	A	3213	2910	28.94
7	A	3207	2904	15.35
8	A	3170	2870	31.87
9	A	3161	2863	33.03
10	A	3153	2855	29.36
11	A	1867	1691	19.25
12	A	1628	1475	2.44
13	A	1619	1466	4.23
14	A	1616	1463	8.67
15	A	1607	1455	5.75
16	A	1596	1445	2.85
17	A	1571	1422	0.50
18	A	1537	1392	1.94
19	A	1531	1386	1.72
20	A	1477	1337	4.25
21	A	1414	1280	1.63
22	A	1372	1243	2.21
23	A	1213	1098	0.42
24	A	1189	1077	3.98
25	A	1138	1031	1.03
26	A	1087	985	0.31
27	A	1081	979	0.64
28	A	1048	949	42.05
29	A	1002	907	0.97
30	A	855	774	1.04
31	A	820	742	0.78
32	A	784	709	0.10
33	A	581	526	5.03
34	A	466	422	2.10
35	A	423	383	0.57
36	A	279	253	0.21
37	A	240	218	0.22
38	A	195	177	0.11
39	A	67	61	0.05

Atom	x (Å)	y (Å)	z (Å)
C1	1.015	1.318	0.021
H2	0.417	1.874	-0.695
H3	2.055	1.406	-0.270
H4	0.889	1.805	0.986
C5	-1.911	0.096	-0.394
H6	-1.882	1.173	-0.524
H7	-2.896	-0.161	-0.016
H8	-1.795	-0.363	-1.371
C9	-0.824	-0.394	0.570
H10	-0.948	-1.460	0.731
H11	-0.970	0.087	1.537
C12	0.587	-0.127	0.094
C13	1.404	-1.109	-0.231
H14	1.101	-2.140	-0.172
H15	2.409	-0.923	-0.568

	C1	H2	H3	H4	C5	H6	H7	H8	C9	H10	H11	C12	C13	H14	H15
C1		1.0867	1.0836	1.0880	3.1987	2.9514	4.1821	3.5583	2.5725	3.4753	2.7843	1.5088	2.4708	3.4647	2.7038
H2	1.0867		1.7557	1.7476	2.9454	2.4095	3.9476	3.2180	2.8792	3.8753	3.1782	2.1579	3.1764	4.1058	3.4361
H3	1.0836	1.7557		1.7600	4.1792	3.9518	5.1998	4.3776	3.4986	4.2707	3.7625	2.1540	2.5984	3.6738	2.3745
H4	1.0880	1.7476	1.7600		3.5593	3.2183	4.3818	4.1786	2.8189	3.7555	2.5905	2.1493	3.1997	4.1173	3.4882
C5	3.1987	2.9454	4.1792	3.5593		1.0853	1.0858	1.0859	1.5336	2.1484	2.1486	2.5550	3.5312	3.7582	4.4421
H6	2.9514	2.4095	3.9518	3.2183	1.0853		1.7514	1.7563	2.1844	3.0629	2.5021	2.8573	4.0110	4.4718	4.7751
H7	4.1821	3.9476	5.1998	4.3818	1.0858	1.7514		1.7580	2.1659	2.4581	2.4873	3.4849	4.4087	4.4632	5.3879
H8	3.5583	3.2180	4.3776	4.1786	1.0859	1.7563	1.7580		2.1709	2.5180	3.0564	2.8061	3.4768	3.6030	4.3160
C9	2.5725	2.8792	3.4986	2.8189	1.5336	2.1844	2.1659	2.1709		1.0853	1.0893	1.5130	2.4736	2.7032	3.4685
H10	3.4753	3.8753	4.2707	3.7555	2.1484	3.0629	2.4581	2.5180	1.0853		1.7447	2.1305	2.5652	2.3402	3.6395
H11	2.7843	3.1782	3.7625	2.5905	2.1486	2.5021	2.4873	3.0564	1.0893	1.7447		2.1327	3.1918	3.4882	4.1067
C12	1.5088	2.1579	2.1540	2.1493	2.5550	2.8573	3.4849	2.8061	1.5130	2.1305	2.1327		1.3184	2.0951	2.0960
C13	2.4708	3.1764	2.5984	3.1997	3.5312	4.0110	4.4087	3.4768	2.4736	2.5652	3.1918	1.3184		1.0764	1.0763
H14	3.4647	4.1058	3.6738	4.1173	3.7582	4.4718	4.4632	3.6030	2.7032	2.3402	3.4882	2.0951	1.0764		1.8302
H15	2.7038	3.4361	2.3745	3.4882	4.4421	4.7751	5.3879	4.3160	3.4685	3.6395	4.1067	2.0960	1.0763	1.8302

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C12	C9	116.704	C1	C12	C13	121.688
H2	C1	H3	107.990	H2	C1	H4	106.953
H2	C1	C12	111.451	H3	C1	H4	108.283
H3	C1	C12	111.324	H4	C1	C12	110.669
C5	C9	H10	109.041	C5	C9	H11	108.823
C5	C9	C12	113.990	H6	C5	H7	107.549
H6	C5	H8	107.977	H6	C5	C9	111.907
H7	C5	H8	108.094	H7	C5	C9	110.390
H8	C5	C9	110.777	C9	C12	C13	121.606
H10	C9	H11	106.698	H10	C9	C12	109.047
H11	C9	C12	108.989	C12	C13	H14	121.724
C12	C13	H15	121.817	H14	C13	H15	116.459

All results from a given calculation for C₅H₁₀ (1-Butene, 2-methyl-)

using model chemistry: HF/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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Number	Element	Mulliken
1	C	-0.453
2	H	0.141
3	H	0.142
4	H	0.137
5	C	-0.414
6	H	0.133
7	H	0.134
8	H	0.138
9	C	-0.265
10	H	0.130
11	H	0.124
12	C	0.213
13	C	-0.426
14	H	0.133
15	H	0.133

	x	y	z	Total
	-0.319	0.331	0.109	0.473
CHELPG
AIM
ESP

	x	y	z
x	8.866	-0.922	-0.619
y	-0.922	8.594	0.369
z	-0.619	0.369	6.159

<r²>	142.987
(<r²>)^1/2	11.958

All results from a given calculation for C5H10 (1-Butene, 2-methyl-)

using model chemistry: HF/6-31G(2df,p)

States and conformations

All results from a given calculation for C₅H₁₀ (1-Butene, 2-methyl-)