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

using model chemistry: B2PLYP=FULLultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-271.465217
Energy at 298.15K 
HF Energy-271.182871
Nuclear repulsion energy244.225113
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3201 3036 9.68      
2 A 3163 3001 21.05      
3 A 3157 2995 58.05      
4 A 3154 2992 24.26      
5 A 3153 2991 6.63      
6 A 3149 2987 6.45      
7 A 3101 2942 5.55      
8 A 3086 2928 6.49      
9 A 3079 2921 10.77      
10 A 3077 2919 22.54      
11 A 1791 1699 129.87      
12 A 1561 1481 16.51      
13 A 1556 1476 6.23      
14 A 1545 1466 3.12      
15 A 1540 1461 0.86      
16 A 1525 1447 8.81      
17 A 1514 1436 10.62      
18 A 1466 1391 3.20      
19 A 1443 1369 3.48      
20 A 1431 1357 36.79      
21 A 1384 1313 2.03      
22 A 1362 1292 1.34      
23 A 1286 1220 47.70      
24 A 1216 1154 2.66      
25 A 1154 1095 0.98      
26 A 1119 1062 18.74      
27 A 1038 985 1.65      
28 A 992 941 0.90      
29 A 965 916 17.99      
30 A 956 907 1.87      
31 A 916 869 3.82      
32 A 733 695 4.44      
33 A 604 573 0.31      
34 A 529 502 7.30      
35 A 499 473 5.31      
36 A 337 320 1.44      
37 A 279 264 1.35      
38 A 264 250 0.23      
39 A 241 229 0.18      
40 A 217 206 0.52      
41 A 141 133 0.16      
42 A 50 48 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 31485.9 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 29870.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-31G*
ABC
0.15113 0.09078 0.07890

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.602 -0.874 -0.745
C2 0.827 -0.135 -0.167
H3 1.262 1.912 0.349
H4 2.365 0.712 1.057
H5 0.722 0.952 1.724
C6 1.324 0.921 0.811
H7 -0.792 -0.844 -1.297
C8 -0.683 -0.252 -0.384
H9 -0.918 1.675 -1.392
H10 -0.831 -2.013 0.898
H11 -1.317 1.715 0.334
H12 -1.222 -0.493 1.724
H13 -2.375 -1.203 0.589
H14 -2.427 0.961 -0.813
C15 -1.311 -1.038 0.779
C16 -1.370 1.106 -0.574

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.21743.01272.51953.19492.39222.45662.39523.64173.14834.04793.77064.20774.42783.29113.5751
C21.21742.15482.14012.18361.52222.09821.52972.79602.72192.87512.81123.45943.49402.50592.5555
H33.01272.15481.77701.76191.09513.81102.99982.79944.48142.58623.72084.79483.98303.93732.9027
H42.51952.14011.77701.78891.09014.23453.50614.20704.20263.88373.84235.13385.15024.08034.0942
H53.19492.18361.76191.78891.09383.82752.80493.59503.44752.58332.42253.94074.04472.99763.1117
C62.39221.52221.09511.09011.09383.46942.61313.23183.64082.79813.05184.27124.08773.28283.0342
H72.45662.09823.81104.23453.82753.46941.09432.52372.48733.07973.07232.48892.48342.14892.1590
C82.39521.52972.99983.50612.80492.61311.09432.18682.18332.18722.18942.17192.16751.53771.5335
H93.64172.79602.79944.20703.59503.23182.52372.18684.34161.77233.80843.78591.76763.49651.0943
H103.14832.72194.48144.20263.44753.64082.48732.18334.34163.80121.77381.77113.78421.09343.4907
H114.04792.87512.58623.88372.58332.79813.07972.18721.77233.80122.61063.11451.76562.78811.0942
H123.77062.81123.72083.84232.42253.05183.07232.18943.80841.77382.61061.76733.16301.09472.8036
H134.20773.45944.79485.13383.94074.27122.48892.17193.78591.77113.11451.76732.57931.09402.7743
H144.42783.49403.98305.15024.04474.08772.48342.16751.76763.78421.76563.16302.57932.78861.0940
C153.29112.50593.93734.08032.99763.28282.14891.53773.49651.09342.78811.09471.09402.78862.5357
C163.57512.55552.90274.09423.11173.03422.15901.53351.09433.49071.09422.80362.77431.09402.5357

picture of 2-Butanone, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C6 121.265 O1 C2 C8 120.937
C2 C6 H3 109.751 C2 C6 H4 108.894
C2 C6 H5 112.128 C2 C8 H7 104.972
C2 C8 C15 109.560 C2 C8 C16 113.078
H3 C6 H4 108.814 H3 C6 H5 107.197
H4 C6 H5 109.998 C6 C2 C8 117.791
H7 C8 C15 108.285 H7 C8 C16 109.352
C8 C15 H10 111.030 C8 C15 H12 111.446
C8 C15 H13 110.090 C8 C16 H9 111.557
C8 C16 H11 111.591 C8 C16 H14 110.036
H9 C16 H11 108.153 H9 C16 H14 107.755
H10 C15 H12 108.324 H10 C15 H13 108.127
H11 C16 H14 107.585 H12 C15 H13 107.698
C15 C8 C16 111.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability