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

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-271.078039
Energy at 298.15K-271.088770
HF Energy-270.082159
Nuclear repulsion energy244.987993
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 MP2=FULL/6-311G*
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 3207 3037 8.32      
2 A 3173 3005 24.32      
3 A 3170 3002 16.55      
4 A 3169 3001 25.41      
5 A 3164 2997 30.55      
6 A 3162 2995 2.37      
7 A 3110 2945 4.70      
8 A 3087 2923 3.84      
9 A 3076 2913 12.20      
10 A 3075 2912 22.51      
11 A 1771 1677 106.47      
12 A 1551 1469 28.01      
13 A 1547 1465 7.59      
14 A 1534 1453 5.29      
15 A 1526 1446 1.89      
16 A 1514 1433 12.58      
17 A 1503 1423 13.97      
18 A 1456 1379 8.98      
19 A 1434 1358 9.58      
20 A 1423 1347 53.24      
21 A 1376 1303 0.72      
22 A 1359 1287 2.25      
23 A 1291 1223 35.77      
24 A 1215 1151 2.40      
25 A 1162 1101 0.58      
26 A 1116 1057 18.50      
27 A 1041 986 0.88      
28 A 992 940 1.25      
29 A 969 918 15.46      
30 A 952 902 1.79      
31 A 929 880 5.54      
32 A 744 705 4.91      
33 A 605 573 0.28      
34 A 536 508 7.43      
35 A 501 474 4.30      
36 A 341 323 1.31      
37 A 283 268 1.12      
38 A 280 265 0.33      
39 A 246 233 0.13      
40 A 218 207 0.41      
41 A 158 150 0.13      
42 A 59 56 2.93      

Unscaled Zero Point Vibrational Energy (zpe) 31510.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 29843.9 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 MP2=FULL/6-311G*
ABC
0.15170 0.09169 0.07964

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.597 -0.882 -0.730
C2 0.820 -0.131 -0.164
H3 1.233 1.918 0.326
H4 2.357 0.739 1.032
H5 0.721 0.963 1.714
C6 1.312 0.933 0.795
H7 -0.786 -0.844 -1.300
C8 -0.680 -0.251 -0.386
H9 -0.912 1.678 -1.378
H10 -0.810 -2.012 0.891
H11 -1.320 1.700 0.346
H12 -1.210 -0.495 1.718
H13 -2.360 -1.214 0.589
H14 -2.421 0.956 -0.814
C15 -1.297 -1.040 0.775
C16 -1.366 1.101 -0.568

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.21913.01422.51183.18412.38762.45062.38753.64273.11394.04103.74464.18444.41943.26543.5689
C21.21912.14732.13362.17561.51522.09231.52122.78342.70312.86252.79283.44323.48002.48822.5418
H33.01422.14731.77551.76071.09383.78822.97892.75014.46492.56273.70554.77413.94703.91862.8674
H42.51182.13361.77551.78671.08944.22223.49544.16894.19753.86243.83685.12525.12734.07284.0687
H53.18412.17561.76071.78671.09233.82342.80073.56873.44492.56522.41953.93664.03232.99443.0949
C62.38761.51521.09381.08941.09233.45702.60123.19763.63092.77813.04184.25894.06523.27143.0096
H72.45062.09233.78824.22223.82343.45701.09492.52652.48303.07663.06832.48712.48022.14592.1579
C82.38751.52122.97893.49542.80072.60121.09492.18222.17812.17992.18342.16792.16181.53281.5275
H93.64272.78342.75014.16893.56873.19762.52652.18224.33271.77143.79463.78571.76563.48891.0933
H103.11392.70314.46494.19753.44493.63092.48302.17814.33273.78561.77331.76933.78261.09253.4822
H114.04102.86252.56273.86242.56522.77813.07662.17991.77143.78562.59103.10341.76332.77361.0931
H123.74462.79283.70553.83682.41953.04183.06832.18343.79461.77332.59101.76503.15971.09362.7926
H134.18443.44324.77415.12523.93664.25892.48712.16793.78571.76933.10341.76502.58471.09322.7725
H144.41943.48003.94705.12734.03234.06522.48022.16181.76563.78261.76333.15972.58472.78791.0932
C153.26542.48823.91864.07282.99443.27142.14591.53283.48891.09252.77361.09361.09322.78792.5284
C163.56892.54182.86744.06873.09493.00962.15791.52751.09333.48221.09312.79262.77251.09322.5284

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 121.286 O1 C2 C8 120.820
C2 C6 H3 109.717 C2 C6 H4 108.908
C2 C6 H5 112.078 C2 C8 H7 105.049
C2 C8 C15 109.122 C2 C8 C16 112.967
H3 C6 H4 108.833 H3 C6 H5 107.292
H4 C6 H5 109.956 C6 C2 C8 117.887
H7 C8 C15 108.353 H7 C8 C16 109.645
C8 C15 H10 111.020 C8 C15 H12 111.382
C8 C15 H13 110.170 C8 C16 H9 111.668
C8 C16 H11 111.500 C8 C16 H14 110.049
H9 C16 H11 108.229 H9 C16 H14 107.705
H10 C15 H12 108.423 H10 C15 H13 108.086
H11 C16 H14 107.522 H12 C15 H13 107.633
C15 C8 C16 111.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability