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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-192.602080
Energy at 298.15K-192.608014
HF Energy-191.975070
Nuclear repulsion energy119.228755
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/6-31+G**
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 3259 3061 4.40 62.43 0.67 0.80
2 A 3207 3012 0.39 11.75 0.73 0.85
3 A 3124 2934 6.85 246.39 0.01 0.01
4 A 1766 1658 122.96 12.10 0.56 0.72
5 A 1520 1427 25.25 20.04 0.67 0.80
6 A 1512 1420 4.45 15.34 0.74 0.85
7 A 1432 1345 15.78 1.78 0.30 0.46
8 A 1110 1042 0.00 3.74 0.43 0.60
9 A 911 855 0.06 1.61 0.72 0.83
10 A 816 766 1.24 14.65 0.13 0.23
11 A 385 362 0.99 0.46 0.73 0.84
12 A 45 42 0.01 0.24 0.73 0.84
13 B 3258 3060 7.88 48.11 0.75 0.86
14 B 3213 3017 14.73 91.87 0.75 0.86
15 B 3120 2930 2.42 0.59 0.75 0.86
16 B 1532 1439 23.30 0.19 0.75 0.86
17 B 1512 1420 1.17 0.99 0.75 0.86
18 B 1437 1350 62.00 0.66 0.75 0.86
19 B 1279 1201 55.98 3.38 0.75 0.86
20 B 1141 1072 0.65 0.02 0.75 0.86
21 B 926 870 4.68 3.26 0.75 0.86
22 B 537 505 13.82 1.43 0.75 0.86
23 B 490 460 0.71 0.68 0.75 0.86
24 B 126 118 0.07 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18828.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 17683.4 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/6-31+G**
ABC
0.33535 0.28594 0.16364

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.177
O2 0.000 0.000 1.407
C3 0.000 1.285 -0.616
C4 0.000 -1.285 -0.616
H5 0.096 2.132 0.055
H6 -0.096 -2.132 0.055
H7 0.817 1.284 -1.338
H8 -0.930 1.366 -1.180
H9 -0.817 -1.284 -1.338
H10 0.930 -1.366 -1.180

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.22991.50971.50972.13812.13812.14712.13842.14712.1384
O21.22992.39652.39652.52702.52703.13833.06983.13833.0698
C31.50972.39652.56901.08533.48351.08971.09032.79002.8651
C41.50972.39652.56903.48351.08532.79002.86511.08971.0903
H52.13812.52701.08533.48354.26911.78271.77823.80023.8027
H62.13812.52703.48351.08534.26913.80023.80271.78271.7782
H72.14713.13831.08972.79001.78273.80021.75513.04312.6573
H82.13843.06981.09032.86511.77823.80271.75512.65733.3051
H92.14713.13832.79001.08973.80021.78273.04312.65731.7551
H102.13843.06982.86511.09033.80271.77822.65733.30511.7551

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.875 C1 C3 H7 110.332
C1 C3 H8 109.608 C1 C4 H6 109.875
C1 C4 H9 110.332 C1 C4 H10 109.608
O2 C1 C3 121.698 O2 C1 C4 121.698
C3 C1 C4 116.603 H5 C3 H7 110.100
H5 C3 H8 109.641 H6 C4 H9 110.100
H6 C4 H10 109.641 H7 C3 H8 107.243
H9 C4 H10 107.243
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability