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All results from a given calculation for CH3COCH2 (Acetonyl radical)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-191.880906
Energy at 298.15K-191.885495
HF Energy-191.341461
Nuclear repulsion energy112.165681
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3368 3173 2.52      
2 A' 3251 3063 4.56      
3 A' 3240 3052 0.68      
4 A' 3113 2933 0.24      
5 A' 2108 1986 773.46      
6 A' 1529 1441 11.78      
7 A' 1505 1418 31.72      
8 A' 1443 1360 47.72      
9 A' 1298 1223 102.04      
10 A' 1103 1040 6.84      
11 A' 920 867 14.30      
12 A' 832 784 1.00      
13 A' 539 508 16.78      
14 A' 389 366 2.04      
15 A" 3197 3012 4.95      
16 A" 1536 1448 10.73      
17 A" 1074 1012 10.47      
18 A" 664 625 40.50      
19 A" 531 500 3.97      
20 A" 270 254 0.00      
21 A" 104 98 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16006.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 15081.2 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/6-31G*
ABC
0.36137 0.30592 0.17094

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.168 0.000
O2 0.309 1.330 0.000
C3 -1.415 -0.248 0.000
C4 1.020 -0.951 0.000
H5 -2.173 0.524 0.000
H6 -1.713 -1.290 0.000
H7 2.020 -0.520 0.000
H8 0.883 -1.583 0.882
H9 0.883 -1.583 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.20281.47541.51372.20212.24932.13372.15062.1506
O21.20282.33802.38902.61013.30962.51973.09773.0977
C31.47542.33802.53451.08181.08293.44602.80082.8008
C41.51372.38902.53453.51702.75411.08881.09411.0941
H52.20212.61011.08183.51701.87064.32093.81573.8157
H62.24933.30961.08292.75411.87063.81162.75812.7581
H72.13372.51973.44601.08884.32093.81161.78901.7890
H82.15063.09772.80081.09413.81572.75811.78901.7645
H92.15063.09772.80081.09413.81572.75811.78901.7645

picture of Acetonyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 118.077 C1 C3 H6 122.352
C1 C4 H7 109.052 C1 C4 H8 110.071
C1 C4 H9 110.071 O2 C1 C3 121.284
O2 C1 C4 122.746 C3 C1 C4 115.970
H5 C3 H6 119.571 H7 C4 H8 110.076
H7 C4 H9 110.076 H8 C4 H9 107.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability