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

using model chemistry: B3LYP/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/cc-pVTZ
 hartrees
Energy at 0K-118.526321
Energy at 298.15K-118.532428
HF Energy-118.526321
Nuclear repulsion energy75.549712
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/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' 3169 3064 26.37      
2 A' 3083 2980 17.59      
3 A' 3009 2909 51.31      
4 A' 2938 2840 57.78      
5 A' 1491 1442 4.12      
6 A' 1479 1429 13.00      
7 A' 1414 1367 4.17      
8 A' 1181 1142 2.39      
9 A' 1029 995 0.04      
10 A' 885 855 1.91      
11 A' 389 376 8.79      
12 A' 348 337 15.06      
13 A' 108 105 0.90      
14 A" 3084 2981 29.95      
15 A" 3008 2908 7.83      
16 A" 2934 2836 23.82      
17 A" 1478 1428 1.01      
18 A" 1469 1419 0.58      
19 A" 1409 1362 6.72      
20 A" 1372 1326 3.10      
21 A" 1146 1108 0.27      
22 A" 948 916 0.92      
23 A" 942 910 0.05      
24 A" 114 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19213.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 18571.3 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/cc-pVTZ
ABC
1.25480 0.27896 0.24926

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

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 1.294
C3 -0.009 -0.197 -1.294
H4 0.188 1.598 0.000
H5 -0.769 -0.986 1.310
H6 -0.769 -0.986 -1.310
H7 0.951 -0.701 1.483
H8 -0.192 0.466 2.140
H9 0.951 -0.701 -1.483
H10 -0.192 0.466 -2.140

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48651.48651.08192.14602.14602.15602.14872.15602.1487
C21.48652.58822.22191.09532.82521.10101.09022.98133.5021
C31.48652.58822.22192.82521.09532.98133.50211.10101.0902
H41.08192.22192.22193.05123.05122.84072.45062.84072.4506
H52.14601.09532.82523.05122.62051.75231.76883.29283.7873
H62.14602.82521.09533.05122.62053.29283.78731.75231.7688
H72.15601.10102.98132.84071.75233.29281.76112.96593.9742
H82.14871.09023.50212.45061.76883.78731.76113.97424.2797
H92.15602.98131.10102.84073.29281.75232.96593.97421.7611
H102.14873.50211.09022.45063.78731.76883.97424.27971.7611

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 111.543 C1 C2 H7 111.997
C1 C2 H8 112.087 C1 C3 H6 111.543
C1 C3 H9 111.997 C1 C3 H10 112.087
C2 C1 C3 121.041 C2 C1 H4 118.940
C3 C1 H4 118.940 H5 C2 H7 105.850
H5 C2 H8 108.062 H6 C3 H9 105.850
H6 C3 H10 108.062 H7 C2 H8 106.967
H9 C3 H10 106.967
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C -0.269      
3 C -0.269      
4 H 0.115      
5 H 0.093      
6 H 0.093      
7 H 0.091      
8 H 0.099      
9 H 0.091      
10 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 -0.107 0.000 0.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.756 0.280 0.000
y 0.280 -20.853 0.000
z 0.000 0.000 -20.905
Traceless
 xyz
x -0.877 0.280 0.000
y 0.280 0.477 0.000
z 0.000 0.000 0.399
Polar
3z2-r20.799
x2-y2-0.903
xy0.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.803 0.007 0.000
y 0.007 5.564 0.000
z 0.000 0.000 6.558


<r2> (average value of r2) Å2
<r2> 61.508
(<r2>)1/2 7.843