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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-117.846639
Energy at 298.15K-117.852631
HF Energy-117.846639
Nuclear repulsion energy76.084486
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 LSDA/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' 3116 3082 12.37      
2 A' 3045 3012 6.09      
3 A' 2927 2895 38.73      
4 A' 2863 2831 40.89      
5 A' 1414 1398 4.37      
6 A' 1387 1372 20.70      
7 A' 1328 1314 10.78      
8 A' 1138 1125 2.12      
9 A' 968 958 0.61      
10 A' 909 899 3.83      
11 A' 373 369 10.99      
12 A' 346 342 15.84      
13 A' 81 80 2.08      
14 A" 3047 3014 15.19      
15 A" 2931 2899 4.45      
16 A" 2859 2828 21.91      
17 A" 1391 1376 0.03      
18 A" 1388 1373 8.72      
19 A" 1357 1342 6.92      
20 A" 1297 1283 1.24      
21 A" 1149 1137 0.41      
22 A" 896 887 0.77      
23 A" 889 880 0.22      
24 A" 120 119 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18609.0 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 18406.2 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 LSDA/cc-pVTZ
ABC
1.24516 0.28855 0.25649

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 0.536 0.000
C2 -0.007 -0.193 1.268
C3 -0.007 -0.193 -1.268
H4 0.126 1.619 0.000
H5 -0.792 -0.973 1.289
H6 -0.792 -0.973 -1.289
H7 0.944 -0.745 1.435
H8 -0.152 0.461 2.138
H9 0.944 -0.745 -1.435
H10 -0.152 0.461 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.46261.46261.09112.13382.13382.14542.14402.14542.1440
C21.46262.53622.21541.10662.78601.11181.09792.91803.4712
C31.46262.53622.21542.78601.10662.91803.47121.11181.0979
H41.09112.21542.21543.03663.03662.88332.44702.88332.4470
H52.13381.10662.78603.03662.57751.75641.78513.23773.7692
H62.13382.78601.10663.03662.57753.23773.76921.75641.7851
H72.14541.11182.91802.88331.75643.23771.77462.87003.9269
H82.14401.09793.47122.44701.78513.76921.77463.92694.2756
H92.14542.91801.11182.88333.23771.75642.87003.92691.7746
H102.14403.47121.09792.44703.76921.78513.92694.27561.7746

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 111.557 C1 C2 H7 112.176
C1 C2 H8 112.947 C1 C3 H6 111.557
C1 C3 H9 112.176 C1 C3 H10 112.947
C2 C1 C3 120.227 C2 C1 H4 119.640
C3 C1 H4 119.640 H5 C2 H7 104.698
H5 C2 H8 108.140 H6 C3 H9 104.698
H6 C3 H10 108.140 H7 C2 H8 106.854
H9 C3 H10 106.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179      
2 C -0.314      
3 C -0.314      
4 H 0.131      
5 H 0.110      
6 H 0.110      
7 H 0.111      
8 H 0.118      
9 H 0.111      
10 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.117 -0.170 0.000 0.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.955 0.206 0.000
y 0.206 -20.806 0.000
z 0.000 0.000 -20.643
Traceless
 xyz
x -1.230 0.206 0.000
y 0.206 0.493 0.000
z 0.000 0.000 0.737
Polar
3z2-r21.474
x2-y2-1.149
xy0.206
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.024 -0.016 0.000
y -0.016 5.897 0.000
z 0.000 0.000 7.014


<r2> (average value of r2) Å2
<r2> 60.393
(<r2>)1/2 7.771