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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-270.939169
Energy at 298.15K-270.949834
HF Energy-270.047033
Nuclear repulsion energy243.719281
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/cc-pVDZ
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 3218 3065 6.99      
2 A 3183 3031 12.29      
3 A 3181 3030 12.96      
4 A 3177 3026 29.97      
5 A 3174 3023 27.16      
6 A 3171 3021 4.13      
7 A 3109 2961 6.21      
8 A 3088 2942 3.63      
9 A 3077 2931 15.00      
10 A 3076 2929 21.27      
11 A 1775 1690 100.01      
12 A 1509 1437 18.90      
13 A 1502 1431 8.37      
14 A 1490 1419 2.28      
15 A 1485 1415 1.53      
16 A 1474 1404 8.55      
17 A 1459 1390 9.84      
18 A 1413 1346 4.14      
19 A 1392 1326 5.20      
20 A 1384 1318 47.72      
21 A 1349 1285 1.02      
22 A 1334 1271 1.94      
23 A 1272 1212 33.68      
24 A 1191 1135 2.92      
25 A 1152 1097 0.38      
26 A 1093 1041 16.77      
27 A 1021 972 0.42      
28 A 972 926 1.27      
29 A 953 908 11.11      
30 A 932 888 2.38      
31 A 921 878 5.04      
32 A 740 705 4.94      
33 A 596 567 0.23      
34 A 527 502 7.23      
35 A 490 467 4.65      
36 A 332 317 1.09      
37 A 281 268 1.06      
38 A 277 263 0.29      
39 A 244 233 0.15      
40 A 217 207 0.42      
41 A 159 151 0.10      
42 A 55 53 2.53      

Unscaled Zero Point Vibrational Energy (zpe) 31222.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 29739.0 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/cc-pVDZ
ABC
0.15056 0.09056 0.07898

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.610 -0.882 -0.733
C2 0.827 -0.132 -0.164
H3 1.213 1.932 0.333
H4 2.374 0.759 1.034
H5 0.719 0.951 1.729
C6 1.314 0.938 0.802
H7 -0.786 -0.859 -1.306
C8 -0.681 -0.256 -0.387
H9 -0.921 1.676 -1.401
H10 -0.817 -2.021 0.904
H11 -1.324 1.708 0.341
H12 -1.212 -0.484 1.730
H13 -2.378 -1.209 0.595
H14 -2.440 0.947 -0.817
C15 -1.304 -1.040 0.781
C16 -1.374 1.099 -0.577

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.22473.03522.52923.19632.39882.46382.40033.66043.14144.05873.76734.21644.44493.28793.5850
C21.22472.15762.14972.18381.52142.10541.52912.80262.72252.87542.80553.46543.50192.50162.5551
H33.03522.15761.79301.77621.10363.80412.98162.76184.48012.54663.69684.77803.95453.91972.8664
H42.52922.14971.79301.80521.09924.25133.51814.19854.23353.88013.85815.16175.16094.10144.0936
H53.19632.18381.77621.80521.10223.84062.80923.60773.44552.58362.40533.94234.05772.99203.1182
C62.39881.52141.10361.09921.10223.47572.61093.22423.64782.78693.04374.27604.08863.28103.0257
H72.46382.10543.80414.25133.84063.47571.10432.54092.49643.09723.08862.50392.49732.15742.1699
C82.40031.52912.98163.51812.80922.61091.10432.19532.19112.19112.19472.18032.17421.53831.5333
H93.66042.80262.76184.19853.60773.22422.54092.19534.35831.78813.81543.79921.78303.50491.1033
H103.14142.72254.48014.23353.44553.64782.49642.19114.35833.80601.78981.78663.79591.10273.4982
H114.05872.87542.54663.88012.58362.78693.09722.19111.78813.80602.59813.11281.77972.78331.1035
H123.76732.80553.69683.85812.40533.04373.08862.19473.81541.78982.59811.78183.16991.10402.8029
H134.21643.46544.77805.16173.94234.27602.50392.18033.79921.78663.11281.78182.57871.10322.7765
H144.44493.50193.95455.16094.05774.08862.49732.17421.78303.79591.77973.16992.57872.79171.1031
C153.28792.50163.91974.10142.99203.28102.15741.53833.50491.10272.78331.10401.10322.79172.5342
C163.58502.55512.86644.09363.11823.02572.16991.53331.10333.49821.10352.80292.77651.10312.5342

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 121.372 O1 C2 C8 120.900
C2 C6 H3 109.533 C2 C6 H4 109.168
C2 C6 H5 111.690 C2 C8 H7 105.025
C2 C8 C15 109.284 C2 C8 C16 113.101
H3 C6 H4 108.962 H3 C6 H5 107.267
H4 C6 H5 110.168 C6 C2 C8 117.722
H7 C8 C15 108.332 H7 C8 C16 109.641
C8 C15 H10 111.051 C8 C15 H12 111.254
C8 C15 H13 110.174 C8 C16 H9 111.704
C8 C16 H11 111.358 C8 C16 H14 110.043
H9 C16 H11 108.240 H9 C16 H14 107.821
H10 C15 H12 108.401 H10 C15 H13 108.178
H11 C16 H14 107.514 H12 C15 H13 107.662
C15 C8 C16 111.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability