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All results from a given calculation for CH3CHCH3 (Isopropyl radical)

using model chemistry: B3LYP/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-118.536059
Energy at 298.15K-118.542136
HF Energy-118.536059
Nuclear repulsion energy75.585876
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 B3LYP/aug-cc-pVQZ
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' 3170 3072 23.36      
2 A' 3083 2987 15.61      
3 A' 3004 2911 49.19      
4 A' 2938 2847 58.08      
5 A' 1491 1445 5.02      
6 A' 1478 1432 13.26      
7 A' 1413 1369 3.99      
8 A' 1182 1145 2.08      
9 A' 1027 995 0.02      
10 A' 886 858 1.93      
11 A' 384 372 7.44      
12 A' 344 333 18.60      
13 A' 100 97 1.50      
14 A" 3085 2989 29.24      
15 A" 3003 2910 7.52      
16 A" 2935 2843 24.53      
17 A" 1477 1431 1.11      
18 A" 1467 1422 0.42      
19 A" 1409 1366 6.81      
20 A" 1371 1329 2.94      
21 A" 1145 1109 0.26      
22 A" 949 920 0.69      
23 A" 942 912 0.09      
24 A" 114 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19198.0 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 18601.0 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 B3LYP/aug-cc-pVQZ
ABC
1.25397 0.27943 0.24953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 0.535 0.000
C2 -0.008 -0.197 1.293
C3 -0.008 -0.197 -1.293
H4 0.170 1.602 0.000
H5 -0.782 -0.972 1.317
H6 -0.782 -0.972 -1.317
H7 0.944 -0.719 1.469
H8 -0.170 0.468 2.141
H9 0.944 -0.719 -1.469
H10 -0.170 0.468 -2.141

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48621.48621.08122.14542.14542.15402.14812.15402.1481
C21.48622.58632.22251.09492.83021.10021.08942.96843.5016
C31.48622.58632.22252.83021.09492.96843.50161.10021.0894
H41.08122.22252.22253.04333.04332.85382.44652.85382.4465
H52.14541.09492.83023.04332.63351.75091.76773.28713.7949
H62.14542.83021.09493.04332.63353.28713.79491.75091.7677
H72.15401.10022.96842.85381.75093.28711.76072.93893.9603
H82.14811.08943.50162.44651.76773.79491.76073.96034.2819
H92.15402.96841.10022.85383.28711.75092.93893.96031.7607
H102.14813.50161.08942.44653.79491.76773.96034.28191.7607

picture of Isopropyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.548 C1 C2 H7 111.921
C1 C2 H8 112.117 C1 C3 H6 111.548
C1 C3 H9 111.921 C1 C3 H10 112.117
C2 C1 C3 120.949 C2 C1 H4 119.080
C3 C1 H4 119.080 H5 C2 H7 105.809
H5 C2 H8 108.055 H6 C3 H9 105.809
H6 C3 H10 108.055 H7 C2 H8 107.056
H9 C3 H10 107.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.455      
2 C -0.746      
3 C -0.746      
4 H 0.473      
5 H 0.232      
6 H 0.232      
7 H 0.245      
8 H 0.259      
9 H 0.245      
10 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.137 -0.131 0.000 0.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.867 0.286 0.000
y 0.286 -20.996 0.000
z 0.000 0.000 -20.979
Traceless
 xyz
x -0.880 0.286 0.000
y 0.286 0.427 0.000
z 0.000 0.000 0.453
Polar
3z2-r20.906
x2-y2-0.871
xy0.286
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.452 -0.066 0.000
y -0.066 6.059 0.000
z 0.000 0.000 6.998


<r2> (average value of r2) Å2
<r2> 61.516
(<r2>)1/2 7.843