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

using model chemistry: B3LYP/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 B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.522970
Energy at 298.15K-118.529048
HF Energy-118.522970
Nuclear repulsion energy75.553137
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/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' 3168 3063 22.99      
2 A' 3081 2980 15.59      
3 A' 3003 2904 47.65      
4 A' 2938 2841 54.39      
5 A' 1492 1443 5.56      
6 A' 1479 1430 14.08      
7 A' 1414 1367 4.21      
8 A' 1180 1141 2.28      
9 A' 1024 991 0.01      
10 A' 885 856 1.85      
11 A' 384 371 7.61      
12 A' 343 332 19.49      
13 A' 102 98 1.65      
14 A" 3083 2981 29.57      
15 A" 3001 2902 7.44      
16 A" 2933 2837 23.39      
17 A" 1477 1429 1.26      
18 A" 1468 1420 0.37      
19 A" 1408 1362 7.00      
20 A" 1369 1324 3.05      
21 A" 1144 1107 0.31      
22 A" 947 916 0.69      
23 A" 940 909 0.06      
24 A" 114 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19187.7 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 18554.5 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/6-311+G(3df,2p)
ABC
1.25228 0.27927 0.24937

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.536 0.000
C2 -0.009 -0.197 1.293
C3 -0.009 -0.197 -1.293
H4 0.172 1.603 0.000
H5 -0.783 -0.971 1.317
H6 -0.783 -0.971 -1.317
H7 0.944 -0.721 1.469
H8 -0.169 0.467 2.142
H9 0.944 -0.721 -1.469
H10 -0.169 0.467 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48671.48671.08202.14652.14652.15512.14942.15512.1494
C21.48672.58682.22381.09552.83131.10081.09002.96883.5031
C31.48672.58682.22382.83131.09552.96883.50311.10081.0900
H41.08202.22382.22383.04533.04532.85532.44852.85532.4485
H52.14651.09552.83133.04532.63491.75171.76833.28823.7969
H62.14652.83131.09553.04532.63493.28823.79691.75171.7683
H72.15511.10082.96882.85531.75173.28821.76142.93893.9616
H82.14941.09003.50312.44851.76833.79691.76143.96164.2846
H92.15512.96881.10082.85533.28821.75172.93893.96161.7614
H102.14943.50311.09002.44853.79691.76833.96164.28461.7614

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 111.564 C1 C2 H7 111.934
C1 C2 H8 112.145 C1 C3 H6 111.564
C1 C3 H9 111.934 C1 C3 H10 112.145
C2 C1 C3 120.912 C2 C1 H4 119.090
C3 C1 H4 119.090 H5 C2 H7 105.802
H5 C2 H8 108.023 H6 C3 H9 105.802
H6 C3 H10 108.023 H7 C2 H8 107.033
H9 C3 H10 107.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 C -0.394      
3 C -0.394      
4 H 0.140      
5 H 0.149      
6 H 0.149      
7 H 0.152      
8 H 0.137      
9 H 0.152      
10 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.145 -0.142 0.000 0.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.921 0.285 0.000
y 0.285 -20.970 0.000
z 0.000 0.000 -20.942
Traceless
 xyz
x -0.965 0.285 0.000
y 0.285 0.461 0.000
z 0.000 0.000 0.503
Polar
3z2-r21.007
x2-y2-0.951
xy0.285
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.279 -0.056 0.000
y -0.056 5.828 0.000
z 0.000 0.000 6.793


<r2> (average value of r2) Å2
<r2> 61.550
(<r2>)1/2 7.845