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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-117.657067
Energy at 298.15K-117.663488
HF Energy-117.657067
Nuclear repulsion energy75.450766
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 HF/6-311G*
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' 3299 2984 59.29      
2 A' 3233 2924 39.89      
3 A' 3194 2889 80.42      
4 A' 3125 2826 75.94      
5 A' 1626 1471 4.79      
6 A' 1622 1467 13.35      
7 A' 1553 1404 2.77      
8 A' 1280 1158 1.85      
9 A' 1136 1027 0.45      
10 A' 923 835 1.68      
11 A' 473 427 18.92      
12 A' 374 338 4.18      
13 A' 169 153 0.20      
14 A" 3234 2925 45.10      
15 A" 3190 2885 13.65      
16 A" 3120 2821 31.53      
17 A" 1617 1462 0.83      
18 A" 1609 1455 1.30      
19 A" 1551 1403 4.84      
20 A" 1479 1338 4.84      
21 A" 1202 1087 0.07      
22 A" 1028 930 0.20      
23 A" 1014 917 0.42      
24 A" 131 119 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20589.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 18621.4 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 HF/6-311G*
ABC
1.24916 0.27695 0.24784

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 0.545 0.000
C2 -0.016 -0.201 1.300
C3 -0.016 -0.201 -1.300
H4 0.356 1.557 0.000
H5 -0.769 -0.984 1.307
H6 -0.769 -0.984 -1.307
H7 0.945 -0.684 1.488
H8 -0.213 0.458 2.139
H9 0.945 -0.684 -1.488
H10 -0.213 0.458 -2.139

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49891.49891.07782.14812.14812.15612.15012.15612.1501
C21.49892.60012.21761.08672.82461.09171.08452.98823.5073
C31.49892.60012.21762.82461.08672.98823.50731.09171.0845
H41.07782.21762.21763.07083.07082.75422.47152.75422.4715
H52.14811.08672.82463.07082.61441.74911.75483.29233.7769
H62.14812.82461.08673.07082.61443.29233.77691.74911.7548
H72.15611.09172.98822.75421.74913.29231.75162.97583.9749
H82.15011.08453.50732.47151.75483.77691.75163.97494.2785
H92.15612.98821.09172.75423.29231.74912.97583.97491.7516
H102.15013.50731.08452.47153.77691.75483.97494.27851.7516

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 111.367 C1 C2 H7 111.703
C1 C2 H8 111.660 C1 C3 H6 111.367
C1 C3 H9 111.703 C1 C3 H10 111.660
C2 C1 C3 120.306 C2 C1 H4 117.853
C3 C1 H4 117.853 H5 C2 H7 106.823
H5 C2 H8 107.841 H6 C3 H9 106.823
H6 C3 H10 107.841 H7 C2 H8 107.192
H9 C3 H10 107.192
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 C -0.624      
3 C -0.624      
4 H 0.203      
5 H 0.207      
6 H 0.207      
7 H 0.205      
8 H 0.213      
9 H 0.205      
10 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.232 -0.078 0.000 0.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.619 0.500 0.000
y 0.500 -20.913 0.000
z 0.000 0.000 -21.159
Traceless
 xyz
x -0.583 0.500 0.000
y 0.500 0.476 0.000
z 0.000 0.000 0.107
Polar
3z2-r20.214
x2-y2-0.705
xy0.500
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.158 0.098 0.000
y 0.098 4.785 0.000
z 0.000 0.000 5.364


<r2> (average value of r2) Å2
<r2> 61.713
(<r2>)1/2 7.856