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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-118.398994
Energy at 298.15K-118.405082
HF Energy-118.398994
Nuclear repulsion energy75.068897
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 B97D3/6-31G*
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' 3127 3065 39.84      
2 A' 3048 2988 26.77      
3 A' 2983 2924 62.69      
4 A' 2899 2843 64.15      
5 A' 1495 1465 3.26      
6 A' 1482 1453 10.33      
7 A' 1413 1386 2.16      
8 A' 1171 1148 3.04      
9 A' 1025 1005 0.50      
10 A' 879 862 1.85      
11 A' 404 396 14.16      
12 A' 357 350 10.60      
13 A' 118 116 0.19      
14 A" 3049 2989 34.38      
15 A" 2980 2922 11.23      
16 A" 2892 2835 35.45      
17 A" 1482 1453 0.50      
18 A" 1470 1442 0.69      
19 A" 1406 1378 3.59      
20 A" 1360 1333 6.24      
21 A" 1141 1119 0.09      
22 A" 937 918 1.79      
23 A" 932 914 0.00      
24 A" 104 102 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19076.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 18702.4 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 B97D3/6-31G*
ABC
1.24009 0.27562 0.24650

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

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 1.301
C3 -0.011 -0.198 -1.301
H4 0.234 1.601 0.000
H5 -0.740 -1.027 1.296
H6 -0.740 -1.027 -1.296
H7 0.975 -0.659 1.523
H8 -0.251 0.463 2.148
H9 0.975 -0.659 -1.523
H10 -0.251 0.463 -2.148

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49381.49381.09202.15762.15762.17282.16232.17282.1623
C21.49382.60192.23311.10402.82181.11081.10023.02663.5195
C31.49382.60192.23312.82181.10403.02663.51951.11081.1002
H41.09202.23312.23313.08753.08752.82402.47852.82402.4785
H52.15761.10402.82183.08752.59181.76811.78433.32003.7837
H62.15762.82181.10403.08752.59183.32003.78371.76811.7843
H72.17281.11083.02662.82401.76813.32001.77483.04654.0294
H82.16231.10023.51952.47851.78433.78371.77484.02944.2954
H92.17283.02661.11082.82403.32001.76813.04654.02941.7748
H102.16233.51951.10022.47853.78371.78434.02944.29541.7748

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 111.427 C1 C2 H7 112.232
C1 C2 H8 112.046 C1 C3 H6 111.427
C1 C3 H9 112.232 C1 C3 H10 112.046
C2 C1 C3 121.124 C2 C1 H4 118.619
C3 C1 H4 118.619 H5 C2 H7 105.937
H5 C2 H8 108.089 H6 C3 H9 105.937
H6 C3 H10 108.089 H7 C2 H8 106.774
H9 C3 H10 106.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.105      
2 C -0.473      
3 C -0.473      
4 H 0.134      
5 H 0.152      
6 H 0.152      
7 H 0.152      
8 H 0.155      
9 H 0.152      
10 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.167 -0.114 0.000 0.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.188 0.302 0.000
y 0.302 -20.225 0.000
z 0.000 0.000 -20.235
Traceless
 xyz
x -0.959 0.302 0.000
y 0.302 0.487 0.000
z 0.000 0.000 0.472
Polar
3z2-r20.944
x2-y2-0.963
xy0.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.987 0.057 0.000
y 0.057 4.890 0.000
z 0.000 0.000 5.762


<r2> (average value of r2) Å2
<r2> 61.710
(<r2>)1/2 7.856