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	hartrees
Energy at 0K	-268.525890
Energy at 298.15K	-268.536895
Nuclear repulsion energy	245.128523

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3308	2996	10.30
2	A	3279	2969	55.46
3	A	3272	2963	5.94
4	A	3266	2957	27.03
5	A	3260	2952	17.32
6	A	3258	2950	11.35
7	A	3247	2940	3.88
8	A	3212	2909	3.99
9	A	3202	2899	11.07
10	A	3198	2896	23.70
11	A	1924	1743	139.78
12	A	1681	1523	22.19
13	A	1677	1519	7.73
14	A	1667	1509	3.10
15	A	1661	1504	2.62
16	A	1650	1494	13.83
17	A	1631	1477	12.39
18	A	1586	1437	9.09
19	A	1566	1418	7.32
20	A	1558	1411	35.48
21	A	1479	1339	0.92
22	A	1464	1326	3.43
23	A	1356	1228	40.65
24	A	1306	1182	5.43
25	A	1234	1117	2.65
26	A	1212	1097	25.87
27	A	1126	1019	5.51
28	A	1058	958	0.50
29	A	1037	939	1.44
30	A	1030	933	28.16
31	A	940	851	5.25
32	A	751	680	3.87
33	A	664	602	0.12
34	A	554	502	9.40
35	A	525	475	7.46
36	A	361	327	2.63
37	A	301	272	1.70
38	A	283	257	0.18
39	A	268	243	0.12
40	A	233	211	0.42
41	A	146	132	0.08
42	A	60	54	3.69

All results from a given calculation for C₅H₁₀O (2-Butanone, 3-methyl-)

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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All results from a given calculation for C5H10O (2-Butanone, 3-methyl-)

using model chemistry: HF/3-21G

States and conformations

All results from a given calculation for C₅H₁₀O (2-Butanone, 3-methyl-)