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

using model chemistry: ROHF/aug-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 ROHF/aug-cc-pVTZ
 hartrees
Energy at 0K-117.676081
Energy at 298.15K-117.682635
HF Energy-117.676081
Nuclear repulsion energy75.629511
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 ROHF/aug-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' 3284 3284 46.35      
2 A' 3213 3213 31.91      
3 A' 3176 3176 59.70      
4 A' 3115 3115 58.77      
5 A' 1608 1608 5.01      
6 A' 1606 1606 12.24      
7 A' 1539 1539 2.49      
8 A' 1278 1278 1.96      
9 A' 1144 1144 0.56      
10 A' 923 923 1.53      
11 A' 541 541 19.52      
12 A' 381 381 1.54      
13 A' 191 191 0.11      
14 A" 3214 3214 36.10      
15 A" 3173 3173 10.31      
16 A" 3111 3111 28.17      
17 A" 1600 1600 0.49      
18 A" 1593 1593 0.93      
19 A" 1538 1538 5.14      
20 A" 1474 1474 4.82      
21 A" 1200 1200 0.00      
22 A" 1018 1018 0.32      
23 A" 1008 1008 0.37      
24 A" 149 149 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20537.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20537.1 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 ROHF/aug-cc-pVTZ
ABC
1.24641 0.27921 0.24982

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 0.551 0.000
C2 -0.019 -0.201 1.295
C3 -0.019 -0.201 -1.295
H4 0.425 1.530 0.000
H5 -0.787 -0.967 1.302
H6 -0.787 -0.967 -1.302
H7 0.934 -0.702 1.464
H8 -0.192 0.458 2.137
H9 0.934 -0.702 -1.464
H10 -0.192 0.458 -2.137

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49691.49691.07572.14232.14232.14972.14562.14972.1456
C21.49692.58932.20691.08512.81431.08991.08312.96153.4982
C31.49692.58932.20692.81431.08512.96153.49821.08991.0831
H41.07572.20692.20693.06643.06642.71792.46922.71792.4692
H52.14231.08512.81433.06642.60431.74891.75523.26883.7695
H62.14232.81431.08513.06642.60433.26883.76951.74891.7552
H72.14971.08992.96152.71791.74893.26881.75142.92853.9473
H82.14561.08313.49822.46921.75523.76951.75143.94734.2731
H92.14972.96151.08992.71793.26881.74892.92853.94731.7514
H102.14563.49821.08312.46923.76951.75523.94734.27311.7514

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 111.134 C1 C2 H7 111.435
C1 C2 H8 111.525 C1 C3 H6 111.134
C1 C3 H9 111.435 C1 C3 H10 111.525
C2 C1 C3 119.732 C2 C1 H4 117.212
C3 C1 H4 117.212 H5 C2 H7 107.039
H5 C2 H8 108.096 H6 C3 H9 107.039
H6 C3 H10 108.096 H7 C2 H8 107.403
H9 C3 H10 107.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.492      
2 C -0.795      
3 C -0.795      
4 H 0.386      
5 H 0.296      
6 H 0.296      
7 H 0.279      
8 H 0.272      
9 H 0.279      
10 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.296 -0.149 0.000 0.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.478 0.605 -0.000
y 0.605 -21.021 0.001
z -0.000 0.001 -21.021
Traceless
 xyz
x -0.457 0.605 -0.000
y 0.605 0.228 0.001
z -0.000 0.001 0.229
Polar
3z2-r20.457
x2-y2-0.457
xy0.605
xz-0.000
yz0.001


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


<r2> (average value of r2) Å2
<r2> 61.314
(<r2>)1/2 7.830