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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-191.223926
Energy at 298.15K-191.228691
HF Energy-191.223926
Nuclear repulsion energy111.454919
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 HSEh1PBE/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' 3307 3186 2.48      
2 A' 3190 3073 3.38      
3 A' 3186 3069 2.54      
4 A' 3073 2960 1.75      
5 A' 1539 1482 11.43      
6 A' 1518 1462 20.08      
7 A' 1470 1416 21.20      
8 A' 1435 1383 44.52      
9 A' 1275 1228 54.12      
10 A' 1081 1041 2.80      
11 A' 957 922 4.97      
12 A' 826 796 2.86      
13 A' 507 489 11.85      
14 A' 397 382 2.16      
15 A" 3139 3024 6.94      
16 A" 1545 1489 14.37      
17 A" 1072 1033 11.17      
18 A" 803 774 39.26      
19 A" 537 517 4.40      
20 A" 428 413 0.15      
21 A" 70 68 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 15678.1 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 15102.7 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 HSEh1PBE/3-21G
ABC
0.35578 0.30636 0.16988

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.148 0.000
O2 0.517 1.299 0.000
C3 -1.414 -0.028 0.000
C4 0.848 -1.112 0.000
H5 -2.053 0.846 0.000
H6 -1.860 -1.016 0.000
H7 1.903 -0.831 0.000
H8 0.634 -1.720 0.887
H9 0.634 -1.720 -0.887

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.26111.42481.51892.16832.19422.14012.16312.1631
O21.26112.34292.43302.60973.31782.54063.14813.1481
C31.42482.34292.50781.08321.08383.41242.80032.8003
C41.51892.43302.50783.49982.70921.09191.09651.0965
H52.16832.60971.08323.49981.87234.29673.81983.8198
H62.19423.31781.08382.70921.87233.76722.73882.7388
H72.14012.54063.41241.09194.29673.76721.78531.7853
H82.16313.14812.80031.09653.81982.73881.78531.7744
H92.16313.14812.80031.09653.81982.73881.78531.7744

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 119.037 C1 C3 H6 121.420
C1 C4 H7 109.016 C1 C4 H8 110.555
C1 C4 H9 110.555 O2 C1 C3 121.336
O2 C1 C4 121.857 C3 C1 C4 116.807
H5 C3 H6 119.543 H7 C4 H8 109.336
H7 C4 H9 109.336 H8 C4 H9 108.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.334      
2 O -0.436      
3 C -0.392      
4 C -0.700      
5 H 0.248      
6 H 0.223      
7 H 0.251      
8 H 0.236      
9 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.406 -2.422 0.000 2.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.395 -1.632 0.000
y -1.632 -26.110 0.000
z 0.000 0.000 -24.552
Traceless
 xyz
x 2.935 -1.632 0.000
y -1.632 -2.636 0.000
z 0.000 0.000 -0.299
Polar
3z2-r2-0.598
x2-y23.714
xy-1.632
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.443 0.312 0.000
y 0.312 5.158 0.000
z 0.000 0.000 2.655


<r2> (average value of r2) Å2
<r2> 76.726
(<r2>)1/2 8.759