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

using model chemistry: B3PW91/6-311+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 B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.476440
Energy at 298.15K-118.482535
HF Energy-118.476440
Nuclear repulsion energy75.640063
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 B3PW91/6-311+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' 3176 3040 22.94      
2 A' 3099 2966 14.71      
3 A' 3024 2894 43.86      
4 A' 2956 2829 46.04      
5 A' 1484 1421 6.08      
6 A' 1471 1408 15.44      
7 A' 1403 1343 4.88      
8 A' 1175 1124 2.67      
9 A' 1018 975 0.02      
10 A' 894 856 2.08      
11 A' 386 369 10.79      
12 A' 346 332 17.17      
13 A' 109 104 1.20      
14 A" 3100 2968 24.91      
15 A" 3024 2894 6.31      
16 A" 2951 2825 26.50      
17 A" 1470 1407 1.06      
18 A" 1461 1398 0.80      
19 A" 1405 1345 9.52      
20 A" 1361 1302 1.38      
21 A" 1155 1106 0.22      
22 A" 939 898 0.87      
23 A" 932 892 0.00      
24 A" 115 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19225.2 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 18404.3 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 B3PW91/6-311+G(3df,2p)
ABC
1.25444 0.28024 0.25028

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.534 0.000
C2 -0.009 -0.197 1.291
C3 -0.009 -0.197 -1.291
H4 0.185 1.600 0.000
H5 -0.773 -0.982 1.308
H6 -0.773 -0.982 -1.308
H7 0.950 -0.705 1.476
H8 -0.187 0.466 2.139
H9 0.950 -0.705 -1.476
H10 -0.187 0.466 -2.139

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48351.48351.08342.14352.14352.15282.14712.15282.1471
C21.48352.58132.22111.09582.82001.10111.09082.97173.4972
C31.48352.58132.22112.82001.09582.97173.49721.10111.0908
H41.08342.22112.22113.04923.04922.84242.44942.84242.4494
H52.14351.09582.82003.04922.61581.75311.76913.28543.7839
H62.14352.82001.09583.04922.61583.28543.78391.75311.7691
H72.15281.10112.97172.84241.75313.28541.76172.95163.9659
H82.14711.09083.49722.44941.76913.78391.76173.96594.2772
H92.15282.97171.10112.84243.28541.75312.95163.96591.7617
H102.14713.49721.09082.44943.78391.76913.96594.27721.7617

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 111.533 C1 C2 H7 111.961
C1 C2 H8 112.140 C1 C3 H6 111.533
C1 C3 H9 111.961 C1 C3 H10 112.140
C2 C1 C3 120.922 C2 C1 H4 119.016
C3 C1 H4 119.016 H5 C2 H7 105.880
H5 C2 H8 108.012 H6 C3 H9 105.880
H6 C3 H10 108.012 H7 C2 H8 106.978
H9 C3 H10 106.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.260      
2 C -0.326      
3 C -0.326      
4 H 0.119      
5 H 0.136      
6 H 0.136      
7 H 0.140      
8 H 0.120      
9 H 0.140      
10 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.156 -0.148 0.000 0.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.642 0.304 0.000
y 0.304 -20.650 0.000
z 0.000 0.000 -20.609
Traceless
 xyz
x -1.013 0.304 0.000
y 0.304 0.476 0.000
z 0.000 0.000 0.537
Polar
3z2-r21.074
x2-y2-0.993
xy0.304
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.224 -0.050 0.000
y -0.050 5.770 0.000
z 0.000 0.000 6.746


<r2> (average value of r2) Å2
<r2> 61.213
(<r2>)1/2 7.824