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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-192.475263
Energy at 298.15K-192.481297
HF Energy-191.961676
Nuclear repulsion energy119.734566
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3279 3029 7.58      
2 A1 3160 2919 6.19      
3 A1 1932 1785 159.27      
4 A1 1562 1443 22.91      
5 A1 1484 1371 11.58      
6 A1 1146 1059 0.01      
7 A1 837 773 0.21      
8 A1 392 363 1.25      
9 A2 3222 2976 0.00      
10 A2 1555 1437 0.00      
11 A2 945 873 0.00      
12 A2 52 48 0.00      
13 B1 3229 2982 21.16      
14 B1 1576 1456 21.93      
15 B1 1191 1100 3.38      
16 B1 510 472 1.09      
17 B1 140 129 0.00      
18 B2 3278 3028 8.69      
19 B2 3154 2913 1.67      
20 B2 1555 1437 0.22      
21 B2 1494 1380 67.02      
22 B2 1320 1219 61.76      
23 B2 955 882 2.38      
24 B2 558 515 19.17      

Unscaled Zero Point Vibrational Energy (zpe) 19263.5 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 17793.7 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 CID/6-31G*
ABC
0.34138 0.28529 0.16486

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.183
O2 0.000 0.000 1.391
C3 0.000 1.285 -0.611
C4 0.000 -1.285 -0.611
H5 0.000 2.133 0.068
H6 0.000 -2.133 0.068
H7 0.878 1.332 -1.257
H8 -0.878 1.332 -1.257
H9 -0.878 -1.332 -1.257
H10 0.878 -1.332 -1.257

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20821.51071.51072.13592.13592.14872.14872.14872.1487
O21.20822.37912.37912.50972.50973.09103.09103.09103.0910
C31.51072.37912.57091.08593.48511.09081.09082.83542.8354
C41.51072.37912.57093.48511.08592.83542.83541.09081.0908
H52.13592.50971.08593.48514.26561.77951.77953.81203.8120
H62.13592.50973.48511.08594.26563.81203.81201.77951.7795
H72.14873.09101.09082.83541.77953.81201.75623.19102.6643
H82.14873.09101.09082.83541.77953.81201.75622.66433.1910
H92.14873.09102.83541.09083.81201.77953.19102.66431.7562
H102.14873.09102.83541.09083.81201.77952.66433.19101.7562

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.598 C1 C3 H7 110.322
C1 C3 H8 110.322 C1 C4 H6 109.598
C1 C4 H9 110.322 C1 C4 H10 110.322
O2 C1 C3 121.693 O2 C1 C4 121.693
C3 C1 C4 116.615 H5 C3 H7 109.673
H5 C3 H8 109.673 H6 C4 H9 109.673
H6 C4 H10 109.673 H7 C3 H8 107.220
H9 C4 H10 107.220
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability