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

using model chemistry: TPSSh/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at TPSSh/aug-cc-pVQZ
 hartrees
Energy at 0K-118.540783
Energy at 298.15K-118.546919
HF Energy-118.540783
Nuclear repulsion energy75.458065
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 TPSSh/aug-cc-pVQZ
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' 3155 3155 30.57      
2 A' 3080 3080 19.15      
3 A' 3014 3014 49.59      
4 A' 2937 2937 60.30      
5 A' 1499 1499 4.65      
6 A' 1489 1489 11.55      
7 A' 1415 1415 2.94      
8 A' 1180 1180 1.82      
9 A' 1028 1028 0.13      
10 A' 880 880 1.76      
11 A' 393 393 16.69      
12 A' 348 348 9.28      
13 A' 124 124 0.41      
14 A" 3081 3081 30.12      
15 A" 3014 3014 9.05      
16 A" 2932 2932 28.86      
17 A" 1487 1487 0.58      
18 A" 1478 1478 0.44      
19 A" 1409 1409 5.58      
20 A" 1370 1370 4.73      
21 A" 1143 1143 0.18      
22 A" 941 941 1.06      
23 A" 933 933 0.00      
24 A" 119 119 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19224.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19224.7 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 TPSSh/aug-cc-pVQZ
ABC
1.25137 0.27818 0.24866

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.536 0.000
C2 -0.011 -0.198 1.296
C3 -0.011 -0.198 -1.296
H4 0.220 1.595 0.000
H5 -0.751 -1.005 1.298
H6 -0.751 -1.005 -1.298
H7 0.962 -0.674 1.499
H8 -0.224 0.463 2.138
H9 0.962 -0.674 -1.499
H10 -0.224 0.463 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48951.48951.08412.14632.14632.15772.14992.15772.1499
C21.48952.59252.22451.09522.81601.10161.09112.99733.5037
C31.48952.59252.22452.81601.09522.99733.50371.10161.0911
H41.08412.22452.22453.06383.06382.81892.45972.81892.4597
H52.14631.09522.81603.06382.59601.75621.77123.29623.7733
H62.14632.81601.09523.06382.59603.29623.77331.75621.7712
H72.15771.10162.99732.81891.75623.29621.76282.99723.9904
H82.14991.09113.50372.45971.77123.77331.76283.99044.2760
H92.15772.99731.10162.81893.29621.75622.99723.99041.7628
H102.14993.50371.09112.45973.77331.77123.99044.27601.7628

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 111.362 C1 C2 H7 111.892
C1 C2 H8 111.906 C1 C3 H6 111.362
C1 C3 H9 111.892 C1 C3 H10 111.906
C2 C1 C3 120.976 C2 C1 H4 118.773
C3 C1 H4 118.773 H5 C2 H7 106.154
H5 C2 H8 108.216 H6 C3 H9 106.154
H6 C3 H10 108.216 H7 C2 H8 107.016
H9 C3 H10 107.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.400      
2 C -1.186      
3 C -1.186      
4 H 0.646      
5 H 0.343      
6 H 0.343      
7 H 0.342      
8 H 0.378      
9 H 0.342      
10 H 0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.170 -0.126 0.000 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.403 -0.068 0.000
y -0.068 6.000 0.000
z 0.000 0.000 7.014


<r2> (average value of r2) Å2
<r2> 61.551
(<r2>)1/2 7.845