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

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-191.191921
Energy at 298.15K-191.196499
HF Energy-191.191921
Nuclear repulsion energy110.434535
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 PBEPBEultrafine/3-21G
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' 3210 3181 4.59      
2 A' 3101 3072 6.57      
3 A' 3092 3064 2.24      
4 A' 2984 2957 2.02      
5 A' 1496 1483 6.33      
6 A' 1467 1454 20.91      
7 A' 1433 1420 27.53      
8 A' 1376 1364 38.11      
9 A' 1229 1217 54.60      
10 A' 1043 1034 2.39      
11 A' 920 911 4.42      
12 A' 788 781 5.30      
13 A' 486 482 10.10      
14 A' 383 379 1.91      
15 A" 3048 3021 8.41      
16 A" 1499 1485 12.88      
17 A" 1025 1015 10.45      
18 A" 761 754 34.50      
19 A" 502 497 6.79      
20 A" 364 360 0.28      
21 A" 66 65 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 15135.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 14998.1 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 PBEPBEultrafine/3-21G
ABC
0.34819 0.30151 0.16673

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.153 0.000
O2 0.507 1.320 0.000
C3 -1.424 -0.049 0.000
C4 0.866 -1.113 0.000
H5 -2.081 0.823 0.000
H6 -1.860 -1.052 0.000
H7 1.926 -0.821 0.000
H8 0.653 -1.728 0.894
H9 0.653 -1.728 -0.894

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.27271.43841.53422.18662.21582.15882.18242.1824
O21.27272.36772.46002.63623.35102.56913.17983.1798
C31.43842.36772.52501.09211.09303.43832.81602.8160
C41.53422.46002.52503.52642.72611.10021.10531.1053
H52.18662.63621.09213.52641.88764.33203.84463.8446
H62.21583.35101.09302.72611.88763.79312.75112.7511
H72.15882.56913.43831.10024.33203.79311.80081.8008
H82.18243.17982.81601.10533.84462.75111.80081.7877
H92.18243.17982.81601.10533.84462.75111.80081.7877

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 118.922 C1 C3 H6 121.573
C1 C4 H7 108.954 C1 C4 H8 110.494
C1 C4 H9 110.494 O2 C1 C3 121.581
O2 C1 C4 122.151 C3 C1 C4 116.268
H5 C3 H6 119.505 H7 C4 H8 109.474
H7 C4 H9 109.474 H8 C4 H9 107.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.309      
2 O -0.402      
3 C -0.364      
4 C -0.669      
5 H 0.232      
6 H 0.208      
7 H 0.236      
8 H 0.225      
9 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.324 -2.310 0.000 2.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.443 -1.488 0.000
y -1.488 -26.009 0.000
z 0.000 0.000 -24.573
Traceless
 xyz
x 2.848 -1.488 0.000
y -1.488 -2.501 0.000
z 0.000 0.000 -0.346
Polar
3z2-r2-0.692
x2-y23.566
xy-1.488
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.732 0.252 0.000
y 0.252 5.365 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 77.848
(<r2>)1/2 8.823