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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-192.554064
Energy at 298.15K-192.560072
HF Energy-191.960530
Nuclear repulsion energy119.119015
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 CCD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3202 3030 7.46      
2 A1 3083 2918 6.39      
3 A1 1872 1772 117.55      
4 A1 1528 1446 21.40      
5 A1 1445 1367 11.41      
6 A1 1118 1058 0.03      
7 A1 819 775 0.38      
8 A1 385 364 1.15      
9 A2 3147 2979 0.00      
10 A2 1519 1438 0.00      
11 A2 926 876 0.00      
12 A2 68 64 0.00      
13 B1 3153 2985 20.48      
14 B1 1539 1456 21.53      
15 B1 1160 1098 2.72      
16 B1 495 469 0.65      
17 B1 142 134 0.00      
18 B2 3200 3029 8.62      
19 B2 3078 2913 1.83      
20 B2 1521 1439 0.33      
21 B2 1453 1375 66.11      
22 B2 1291 1221 58.11      
23 B2 933 883 2.33      
24 B2 545 516 17.32      

Unscaled Zero Point Vibrational Energy (zpe) 18808.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 17802.6 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 CCD/6-31G*
ABC
0.33731 0.28320 0.16334

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.187
O2 0.000 0.000 1.402
C3 0.000 1.289 -0.617
C4 0.000 -1.289 -0.617
H5 0.000 2.143 0.066
H6 0.000 -2.143 0.066
H7 0.884 1.335 -1.266
H8 -0.884 1.335 -1.266
H9 -0.884 -1.335 -1.266
H10 0.884 -1.335 -1.266

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21501.51951.51952.14602.14602.16262.16262.16262.1626
O21.21502.39582.39582.52522.52523.11213.11213.11213.1121
C31.51952.39582.57841.09293.49901.09771.09772.84432.8443
C41.51952.39582.57843.49901.09292.84432.84431.09771.0977
H52.14602.52521.09293.49904.28511.79101.79103.82753.8275
H62.14602.52523.49901.09294.28513.82753.82751.79101.7910
H72.16263.11211.09772.84431.79103.82751.76773.20242.6703
H82.16263.11211.09772.84431.79103.82751.76772.67033.2024
H92.16263.11212.84431.09773.82751.79103.20242.67031.7677
H102.16263.11212.84431.09773.82751.79102.67033.20241.7677

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.373 C1 C3 H7 110.403
C1 C3 H8 110.403 C1 C4 H6 109.373
C1 C4 H9 110.403 C1 C4 H10 110.403
O2 C1 C3 121.961 O2 C1 C4 121.961
C3 C1 C4 116.078 H5 C3 H7 109.686
H5 C3 H8 109.686 H6 C4 H9 109.686
H6 C4 H10 109.686 H7 C3 H8 107.262
H9 C4 H10 107.262
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability