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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-192.641493
Energy at 298.15K-192.647381
HF Energy-192.002134
Nuclear repulsion energy119.046057
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 QCISD/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 3159 3025 11.20      
2 A 3106 2974 0.04      
3 A 3046 2916 7.90      
4 A 1820 1743 141.18      
5 A 1504 1440 28.92      
6 A 1495 1431 0.08      
7 A 1425 1364 14.15      
8 A 1105 1058 0.08      
9 A 906 868 0.00      
10 A 804 770 0.70      
11 A 381 365 0.87      
12 A 14 14 0.00      
13 B 3158 3023 11.51      
14 B 3113 2980 28.20      
15 B 3040 2910 3.89      
16 B 1517 1452 23.92      
17 B 1496 1432 0.82      
18 B 1431 1370 71.40      
19 B 1266 1212 58.62      
20 B 1141 1093 2.07      
21 B 913 874 4.19      
22 B 541 518 16.18      
23 B 491 470 0.46      
24 B 141 135 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18506.0 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 17717.6 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 QCISD/6-311G*
ABC
0.33695 0.28224 0.16292

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.187
O2 0.000 0.000 1.400
C3 0.000 1.292 -0.616
C4 0.000 -1.292 -0.616
H5 0.000 2.145 0.066
H6 0.000 -2.145 0.066
H7 0.883 1.339 -1.265
H8 -0.883 1.339 -1.265
H9 -0.883 -1.339 -1.265
H10 0.883 -1.339 -1.265

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21281.52091.52092.14892.14892.16372.16372.16372.1637
O21.21282.39392.39392.52622.52623.11053.11053.11053.1105
C31.52092.39392.58391.09243.50441.09731.09732.85042.8504
C41.52092.39392.58393.50441.09242.85042.85041.09731.0973
H52.14892.52621.09243.50444.29101.78951.78953.83343.8334
H62.14892.52623.50441.09244.29103.83343.83341.78951.7895
H72.16373.11051.09732.85041.78953.83341.76623.20832.6783
H82.16373.11051.09732.85041.78953.83341.76622.67833.2083
H92.16373.11052.85041.09733.83341.78953.20832.67831.7662
H102.16373.11052.85041.09733.83341.78952.67833.20831.7662

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.539 C1 C3 H7 110.420
C1 C3 H8 110.420 C1 C4 H6 109.539
C1 C4 H9 110.420 C1 C4 H10 110.420
O2 C1 C3 121.847 O2 C1 C4 121.847
C3 C1 C4 116.307 H5 C3 H7 109.622
H5 C3 H8 109.622 H6 C4 H9 109.622
H6 C4 H10 109.622 H7 C3 H8 107.184
H9 C4 H10 107.184
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability