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

using model chemistry: PBEPBEultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-118.338386
Energy at 298.15K-118.344422
HF Energy-118.338386
Nuclear repulsion energy75.264102
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/TZVP
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' 3110 3075 24.62      
2 A' 3034 3000 14.33      
3 A' 2951 2918 48.72      
4 A' 2876 2843 53.89      
5 A' 1443 1427 4.62      
6 A' 1427 1411 18.52      
7 A' 1363 1347 5.64      
8 A' 1142 1129 2.63      
9 A' 990 979 0.11      
10 A' 877 867 2.57      
11 A' 384 379 15.25      
12 A' 348 344 16.82      
13 A' 106 104 1.29      
14 A" 3036 3001 25.27      
15 A" 2951 2918 7.35      
16 A" 2871 2838 28.10      
17 A" 1427 1411 1.46      
18 A" 1417 1401 1.52      
19 A" 1363 1348 10.64      
20 A" 1325 1310 0.87      
21 A" 1133 1120 0.55      
22 A" 914 903 1.24      
23 A" 908 898 0.08      
24 A" 107 106 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18750.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 18537.1 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 PBEPBEultrafine/TZVP
ABC
1.24141 0.27806 0.24833

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

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 1.295
C3 -0.009 -0.197 -1.295
H4 0.182 1.610 0.000
H5 -0.773 -0.995 1.311
H6 -0.773 -0.995 -1.311
H7 0.959 -0.705 1.488
H8 -0.195 0.470 2.149
H9 0.959 -0.705 -1.488
H10 -0.195 0.470 -2.149

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48731.48731.09182.15512.15512.16632.15812.16632.1581
C21.48732.58932.23111.10502.83021.11111.09932.99043.5125
C31.48732.58932.23112.83021.10502.99043.51251.11111.0993
H41.09182.23112.23113.06903.06902.86052.46212.86052.4621
H52.15511.10502.83023.06902.62201.76501.78383.30463.8015
H62.15512.83021.10503.06902.62203.30463.80151.76501.7838
H72.16631.11112.99042.86051.76503.30461.77492.97683.9931
H82.15811.09933.51252.46211.78383.80151.77493.99314.2981
H92.16632.99041.11112.86053.30461.76502.97683.99311.7749
H102.15813.51251.09932.46213.80151.78383.99314.29811.7749

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 111.633 C1 C2 H7 112.157
C1 C2 H8 112.225 C1 C3 H6 111.633
C1 C3 H9 112.157 C1 C3 H10 112.225
C2 C1 C3 121.032 C2 C1 H4 118.987
C3 C1 H4 118.987 H5 C2 H7 105.589
H5 C2 H8 108.039 H6 C3 H9 105.589
H6 C3 H10 108.039 H7 C2 H8 106.827
H9 C3 H10 106.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 C -0.364      
3 C -0.364      
4 H 0.137      
5 H 0.121      
6 H 0.121      
7 H 0.121      
8 H 0.130      
9 H 0.121      
10 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.168 -0.154 0.000 0.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.975 0.322 0.000
y 0.322 -20.901 0.000
z 0.000 0.000 -20.813
Traceless
 xyz
x -1.117 0.322 0.000
y 0.322 0.493 0.000
z 0.000 0.000 0.625
Polar
3z2-r21.249
x2-y2-1.074
xy0.322
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.021 -0.043 0.000
y -0.043 5.749 0.000
z 0.000 0.000 6.684


<r2> (average value of r2) Å2
<r2> 61.818
(<r2>)1/2 7.862