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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-118.340212
Energy at 298.15K-118.346243
HF Energy-118.340212
Nuclear repulsion energy75.319524
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 PBEPBEultrafine/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' 3105 3084 25.40      
2 A' 3029 3008 14.30      
3 A' 2946 2926 48.30      
4 A' 2871 2851 54.25      
5 A' 1438 1428 4.21      
6 A' 1422 1413 13.90      
7 A' 1356 1347 5.05      
8 A' 1140 1132 2.46      
9 A' 988 981 0.19      
10 A' 876 870 2.38      
11 A' 381 378 11.86      
12 A' 346 344 11.87      
13 A' 103 103 0.77      
14 A" 3030 3009 25.42      
15 A" 2946 2926 7.45      
16 A" 2867 2847 27.74      
17 A" 1423 1413 0.73      
18 A" 1412 1403 0.98      
19 A" 1359 1349 9.33      
20 A" 1321 1312 1.05      
21 A" 1131 1124 0.38      
22 A" 910 904 1.04      
23 A" 904 898 0.14      
24 A" 109 109 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18706.3 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 18577.2 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 PBEPBEultrafine/cc-pVTZ
ABC
1.24359 0.27843 0.24864

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 -0.196 1.294
C3 -0.009 -0.196 -1.294
H4 0.180 1.609 0.000
H5 -0.768 -0.998 1.307
H6 -0.768 -0.998 -1.307
H7 0.960 -0.701 1.490
H8 -0.199 0.468 2.148
H9 0.960 -0.701 -1.490
H10 -0.199 0.468 -2.148

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48631.48631.09062.15312.15312.16502.15702.16502.1570
C21.48632.58772.22921.10402.82591.11021.09842.99053.5101
C31.48632.58772.22922.82591.10402.99053.51011.11021.0984
H41.09062.22922.22923.06693.06692.85762.46132.85762.4613
H52.15311.10402.82593.06692.61501.76281.78293.30143.7961
H62.15312.82591.10403.06692.61503.30143.79611.76281.7829
H72.16501.11022.99052.85761.76283.30141.77322.97973.9928
H82.15701.09843.51012.46131.78293.79611.77323.99284.2951
H92.16502.99051.11022.85763.30141.76282.97973.99281.7732
H102.15703.51011.09842.46133.79611.78293.99284.29511.7732

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 111.599 C1 C2 H7 112.176
C1 C2 H8 112.269 C1 C3 H6 111.599
C1 C3 H9 112.176 C1 C3 H10 112.269
C2 C1 C3 121.046 C2 C1 H4 118.987
C3 C1 H4 118.987 H5 C2 H7 105.515
H5 C2 H8 108.097 H6 C3 H9 105.515
H6 C3 H10 108.097 H7 C2 H8 106.810
H9 C3 H10 106.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C -0.261      
3 C -0.261      
4 H 0.100      
5 H 0.092      
6 H 0.092      
7 H 0.090      
8 H 0.099      
9 H 0.090      
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
  0.137 -0.126 0.000 0.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.815 0.272 0.000
y 0.272 -20.832 0.000
z 0.000 0.000 -20.806
Traceless
 xyz
x -0.995 0.272 0.000
y 0.272 0.478 0.000
z 0.000 0.000 0.517
Polar
3z2-r21.034
x2-y2-0.982
xy0.272
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.951 -0.001 0.000
y -0.001 5.779 0.000
z 0.000 0.000 6.923


<r2> (average value of r2) Å2
<r2> 61.702
(<r2>)1/2 7.855