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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-118.469081
Energy at 298.15K-118.475225
HF Energy-118.469081
Nuclear repulsion energy75.572754
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 mPW1PW91/6-311G*
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' 3194 3048 35.76      
2 A' 3122 2979 21.84      
3 A' 3055 2916 59.60      
4 A' 2980 2844 56.36      
5 A' 1514 1445 5.90      
6 A' 1502 1434 19.82      
7 A' 1430 1365 5.45      
8 A' 1191 1137 3.20      
9 A' 1039 992 0.28      
10 A' 903 862 2.29      
11 A' 398 379 14.03      
12 A' 350 334 16.31      
13 A' 124 118 0.60      
14 A" 3123 2980 30.76      
15 A" 3054 2915 7.99      
16 A" 2975 2840 30.64      
17 A" 1501 1432 1.50      
18 A" 1490 1422 1.84      
19 A" 1433 1368 10.69      
20 A" 1379 1316 1.06      
21 A" 1170 1116 0.12      
22 A" 953 909 1.30      
23 A" 947 904 0.16      
24 A" 113 108 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19469.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 18582.1 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 mPW1PW91/6-311G*
ABC
1.25404 0.27948 0.24979

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.535 0.000
C2 -0.011 -0.197 1.292
C3 -0.011 -0.197 -1.292
H4 0.227 1.593 0.000
H5 -0.760 -0.997 1.303
H6 -0.760 -0.997 -1.303
H7 0.957 -0.685 1.492
H8 -0.213 0.462 2.138
H9 0.957 -0.685 -1.492
H10 -0.213 0.462 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48491.48491.08472.14612.14612.15632.14922.15632.1492
C21.48492.58382.22061.09592.81681.10171.09182.98743.4989
C31.48492.58382.22062.81681.09592.98743.49891.10171.0918
H41.08472.22062.22063.06293.06292.81932.45892.81932.4589
H52.14611.09592.81683.06292.60591.75461.76793.29483.7776
H62.14612.81681.09593.06292.60593.29483.77761.75461.7679
H72.15631.10172.98742.81931.75463.29481.76112.98433.9830
H82.14921.09183.49892.45891.76793.77761.76113.98304.2767
H92.15632.98741.10172.81933.29481.75462.98433.98301.7611
H102.14923.49891.09182.45893.77761.76793.98304.27671.7611

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 111.638 C1 C2 H7 112.108
C1 C2 H8 112.142 C1 C3 H6 111.638
C1 C3 H9 112.108 C1 C3 H10 112.142
C2 C1 C3 120.924 C2 C1 H4 118.753
C3 C1 H4 118.753 H5 C2 H7 105.961
H5 C2 H8 107.825 H6 C3 H9 105.961
H6 C3 H10 107.825 H7 C2 H8 106.815
H9 C3 H10 106.815
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.208      
2 C -0.673      
3 C -0.673      
4 H 0.210      
5 H 0.223      
6 H 0.223      
7 H 0.222      
8 H 0.228      
9 H 0.222      
10 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.180 -0.108 0.000 0.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.589 0.360 0.000
y 0.360 -20.498 0.000
z 0.000 0.000 -20.628
Traceless
 xyz
x -1.026 0.360 0.000
y 0.360 0.611 0.000
z 0.000 0.000 0.415
Polar
3z2-r20.830
x2-y2-1.091
xy0.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.305 0.029 0.000
y 0.029 5.087 0.000
z 0.000 0.000 5.906


<r2> (average value of r2) Å2
<r2> 61.282
(<r2>)1/2 7.828