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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-117.680823
Energy at 298.15K-117.687248
HF Energy-117.680823
Nuclear repulsion energy75.587348
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/daug-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 2971 42.27      
2 A' 3213 2906 30.55      
3 A' 3171 2868 59.63      
4 A' 3102 2806 64.37      
5 A' 1606 1453 4.88      
6 A' 1603 1450 11.97      
7 A' 1536 1390 2.42      
8 A' 1274 1153 1.94      
9 A' 1130 1022 0.48      
10 A' 919 832 1.61      
11 A' 473 428 18.86      
12 A' 375 339 3.72      
13 A' 172 156 0.10      
14 A" 3213 2907 37.82      
15 A" 3167 2865 10.86      
16 A" 3097 2802 26.68      
17 A" 1598 1445 0.56      
18 A" 1591 1439 0.91      
19 A" 1534 1388 4.65      
20 A" 1471 1331 5.02      
21 A" 1196 1082 0.04      
22 A" 1022 924 0.34      
23 A" 1008 912 0.21      
24 A" 134 121 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20444.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 18493.7 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 HF/daug-cc-pVTZ
ABC
1.25192 0.27821 0.24890

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 0.544 0.000
C2 -0.015 -0.201 1.298
C3 -0.015 -0.201 -1.298
H4 0.347 1.557 0.000
H5 -0.772 -0.979 1.303
H6 -0.772 -0.979 -1.303
H7 0.943 -0.689 1.478
H8 -0.205 0.459 2.135
H9 0.943 -0.689 -1.478
H10 -0.205 0.459 -2.135

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49621.49621.07562.14262.14262.15032.14532.15032.1453
C21.49622.59522.21451.08542.81831.09061.08302.97693.5008
C31.49622.59522.21452.81831.08542.97693.50081.09061.0830
H41.07562.21452.21453.06283.06282.75382.46362.75382.4636
H52.14261.08542.81833.06282.60671.74831.75533.28073.7700
H62.14262.81831.08543.06282.60673.28073.77001.74831.7553
H72.15031.09062.97692.75381.74833.28071.75142.95643.9614
H82.14531.08303.50082.46361.75533.77001.75143.96144.2705
H92.15032.97691.09062.75383.28071.74832.95643.96141.7514
H102.14533.50081.08302.46363.77001.75533.96144.27051.7514

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 111.193 C1 C2 H7 111.494
C1 C2 H8 111.563 C1 C3 H6 111.193
C1 C3 H9 111.494 C1 C3 H10 111.563
C2 C1 C3 120.286 C2 C1 H4 117.952
C3 C1 H4 117.952 H5 C2 H7 106.918
H5 C2 H8 108.092 H6 C3 H9 106.918
H6 C3 H10 108.092 H7 C2 H8 107.361
H9 C3 H10 107.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.487      
2 C -1.130      
3 C -1.130      
4 H 0.641      
5 H 0.379      
6 H 0.379      
7 H 0.300      
8 H 0.373      
9 H 0.300      
10 H 0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.237 -0.112 0.000 0.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.506 0.504 0.000
y 0.504 -20.912 0.000
z 0.000 0.000 -21.018
Traceless
 xyz
x -0.541 0.504 0.000
y 0.504 0.350 0.000
z 0.000 0.000 0.191
Polar
3z2-r20.382
x2-y2-0.594
xy0.504
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.961 0.003 0.000
y 0.003 5.432 0.000
z 0.000 0.000 6.165


<r2> (average value of r2) Å2
<r2> 61.448
(<r2>)1/2 7.839