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

using model chemistry: B3LYP/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-118.527412
Energy at 298.15K-118.533489
HF Energy-118.527412
Nuclear repulsion energy75.565829
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-pVTZ
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' 3172 3069 23.42      
2 A' 3084 2984 15.39      
3 A' 3004 2906 49.50      
4 A' 2940 2844 58.48      
5 A' 1490 1442 4.97      
6 A' 1477 1429 13.23      
7 A' 1413 1367 3.97      
8 A' 1181 1143 2.08      
9 A' 1026 993 0.02      
10 A' 886 857 1.93      
11 A' 383 370 6.89      
12 A' 342 331 19.05      
13 A' 99 96 1.62      
14 A" 3085 2985 29.43      
15 A" 3003 2905 7.56      
16 A" 2936 2840 24.38      
17 A" 1476 1428 1.12      
18 A" 1467 1419 0.41      
19 A" 1409 1363 6.72      
20 A" 1370 1325 2.97      
21 A" 1145 1107 0.25      
22 A" 950 919 0.68      
23 A" 942 911 0.08      
24 A" 113 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19195.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 18571.5 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-pVTZ
ABC
1.25335 0.27931 0.24943

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

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 0.167 1.602 0.000
H5 -0.785 -0.969 1.319
H6 -0.785 -0.969 -1.319
H7 0.943 -0.723 1.468
H8 -0.166 0.469 2.142
H9 0.943 -0.723 -1.468
H10 -0.166 0.469 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48631.48631.08162.14602.14602.15462.14862.15462.1486
C21.48632.58682.22301.09562.83241.10071.08992.96733.5027
C31.48632.58682.22302.83241.09562.96733.50271.10071.0899
H41.08162.22302.22303.04283.04282.85732.44622.85732.4462
H52.14601.09562.83243.04282.63731.75161.76873.28793.7981
H62.14602.83241.09563.04282.63733.28793.79811.75161.7687
H72.15461.10072.96732.85731.75163.28791.76182.93553.9596
H82.14861.08993.50272.44621.76873.79811.76183.95964.2836
H92.15462.96731.10072.85733.28791.75162.93553.95961.7618
H102.14863.50271.08992.44623.79811.76873.95964.28361.7618

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 111.542 C1 C2 H7 111.923
C1 C2 H8 112.114 C1 C3 H6 111.542
C1 C3 H9 111.923 C1 C3 H10 112.114
C2 C1 C3 120.969 C2 C1 H4 119.085
C3 C1 H4 119.085 H5 C2 H7 105.794
H5 C2 H8 108.055 H6 C3 H9 105.794
H6 C3 H10 108.055 H7 C2 H8 107.080
H9 C3 H10 107.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 C -0.599      
3 C -0.599      
4 H 0.351      
5 H 0.209      
6 H 0.209      
7 H 0.208      
8 H 0.179      
9 H 0.208      
10 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.134 -0.131 0.000 0.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.886 0.281 0.000
y 0.281 -21.007 0.000
z 0.000 0.000 -20.992
Traceless
 xyz
x -0.886 0.281 0.000
y 0.281 0.432 0.000
z 0.000 0.000 0.454
Polar
3z2-r20.909
x2-y2-0.879
xy0.281
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.451 -0.065 0.000
y -0.065 6.059 0.000
z 0.000 0.000 6.999


<r2> (average value of r2) Å2
<r2> 61.547
(<r2>)1/2 7.845