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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.372465
Energy at 298.15K-118.378567
HF Energy-118.372465
Nuclear repulsion energy75.732765
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 HSEh1PBE/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' 3189 3189 22.15      
2 A' 3112 3112 14.12      
3 A' 3036 3036 43.61      
4 A' 2968 2968 45.20      
5 A' 1485 1485 6.07      
6 A' 1472 1472 16.19      
7 A' 1404 1404 5.31      
8 A' 1178 1178 2.55      
9 A' 1019 1019 0.02      
10 A' 901 901 2.22      
11 A' 386 386 9.95      
12 A' 344 344 17.69      
13 A' 110 110 1.29      
14 A" 3114 3114 24.35      
15 A" 3036 3036 5.54      
16 A" 2964 2964 25.93      
17 A" 1470 1470 1.02      
18 A" 1461 1461 1.10      
19 A" 1410 1410 10.15      
20 A" 1361 1361 0.87      
21 A" 1162 1162 0.14      
22 A" 939 939 0.85      
23 A" 933 933 0.00      
24 A" 116 116 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19285.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19285.7 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 HSEh1PBE/6-311+G(3df,2p)
ABC
1.25198 0.28168 0.25134

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.287
C3 -0.009 -0.197 -1.287
H4 0.189 1.601 0.000
H5 -0.777 -0.979 1.303
H6 -0.777 -0.979 -1.303
H7 0.948 -0.711 1.467
H8 -0.182 0.463 2.138
H9 0.948 -0.711 -1.467
H10 -0.182 0.463 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48141.48141.08312.14052.14052.14992.14612.14992.1461
C21.48142.57422.22031.09562.81181.10081.09052.96033.4922
C31.48142.57422.22032.81181.09562.96033.49221.10081.0905
H41.08312.22032.22033.04733.04732.84102.45032.84102.4503
H52.14051.09562.81183.04732.60501.75291.76913.27333.7773
H62.14052.81181.09563.04732.60503.27333.77731.75291.7691
H72.14991.10082.96032.84101.75293.27331.76192.93353.9556
H82.14611.09053.49222.45031.76913.77731.76193.95564.2757
H92.14992.96031.10082.84103.27331.75292.93353.95561.7619
H102.14613.49221.09052.45033.77731.76913.95564.27571.7619

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 111.440 C1 C2 H7 111.887
C1 C2 H8 112.221 C1 C3 H6 111.440
C1 C3 H9 111.887 C1 C3 H10 112.221
C2 C1 C3 120.645 C2 C1 H4 119.127
C3 C1 H4 119.127 H5 C2 H7 105.890
H5 C2 H8 108.043 H6 C3 H9 105.890
H6 C3 H10 108.043 H7 C2 H8 107.028
H9 C3 H10 107.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.252      
2 C -0.317      
3 C -0.317      
4 H 0.115      
5 H 0.133      
6 H 0.133      
7 H 0.137      
8 H 0.116      
9 H 0.137      
10 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.159 -0.142 0.000 0.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.712 0.313 0.000
y 0.313 -20.723 0.000
z 0.000 0.000 -20.680
Traceless
 xyz
x -1.011 0.313 0.000
y 0.313 0.473 0.000
z 0.000 0.000 0.538
Polar
3z2-r21.075
x2-y2-0.989
xy0.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.225 -0.052 0.000
y -0.052 5.773 0.000
z 0.000 0.000 6.722


<r2> (average value of r2) Å2
<r2> 61.073
(<r2>)1/2 7.815