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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.488431
Energy at 298.15K-118.494551
HF Energy-118.488431
Nuclear repulsion energy75.736385
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 mPW1PW91/6-311+G(3df,2p)
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' 3193 3193 22.65      
2 A' 3117 3117 14.71      
3 A' 3043 3043 43.27      
4 A' 2975 2975 44.28      
5 A' 1492 1492 6.22      
6 A' 1479 1479 15.81      
7 A' 1410 1410 4.98      
8 A' 1181 1181 2.65      
9 A' 1024 1024 0.02      
10 A' 900 900 2.12      
11 A' 388 388 10.98      
12 A' 346 346 16.82      
13 A' 114 114 1.14      
14 A" 3118 3118 24.38      
15 A" 3043 3043 5.79      
16 A" 2971 2971 25.95      
17 A" 1477 1477 1.03      
18 A" 1468 1468 0.94      
19 A" 1414 1414 9.89      
20 A" 1366 1366 1.18      
21 A" 1162 1162 0.15      
22 A" 943 943 0.86      
23 A" 936 936 0.00      
24 A" 119 119 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19339.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19339.7 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 mPW1PW91/6-311+G(3df,2p)
ABC
1.25507 0.28122 0.25106

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.535 0.000
C2 -0.009 -0.197 1.288
C3 -0.009 -0.197 -1.288
H4 0.192 1.598 0.000
H5 -0.773 -0.980 1.304
H6 -0.773 -0.980 -1.304
H7 0.948 -0.705 1.471
H8 -0.187 0.464 2.136
H9 0.948 -0.705 -1.471
H10 -0.187 0.464 -2.136

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48211.48211.08212.14032.14032.14962.14492.14962.1449
C21.48212.57692.21921.09432.81361.09951.08952.96493.4924
C31.48212.57692.21922.81361.09432.96493.49241.09951.0895
H41.08212.21922.21923.04683.04682.83602.44852.83602.4485
H52.14031.09432.81363.04682.60741.75161.76713.27723.7767
H62.14032.81361.09433.04682.60743.27723.77671.75161.7671
H72.14961.09952.96492.83601.75163.27721.75992.94223.9584
H82.14491.08953.49242.44851.76713.77671.75993.95844.2726
H92.14962.96491.09952.83603.27721.75162.94223.95841.7599
H102.14493.49241.08952.44853.77671.76713.95844.27261.7599

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 111.462 C1 C2 H7 111.892
C1 C2 H8 112.140 C1 C3 H6 111.462
C1 C3 H9 111.892 C1 C3 H10 112.140
C2 C1 C3 120.769 C2 C1 H4 119.046
C3 C1 H4 119.046 H5 C2 H7 105.958
H5 C2 H8 108.037 H6 C3 H9 105.958
H6 C3 H10 108.037 H7 C2 H8 107.027
H9 C3 H10 107.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 C -0.302      
3 C -0.302      
4 H 0.108      
5 H 0.130      
6 H 0.130      
7 H 0.134      
8 H 0.110      
9 H 0.134      
10 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.161 -0.143 0.000 0.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.636 0.316 0.000
y 0.316 -20.652 0.000
z 0.000 0.000 -20.617
Traceless
 xyz
x -1.001 0.316 0.000
y 0.316 0.475 0.000
z 0.000 0.000 0.526
Polar
3z2-r21.053
x2-y2-0.984
xy0.316
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.192 -0.048 0.000
y -0.048 5.731 0.000
z 0.000 0.000 6.679


<r2> (average value of r2) Å2
<r2> 61.064
(<r2>)1/2 7.814