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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-118.341840
Energy at 298.15K-118.348007
HF Energy-118.341840
Nuclear repulsion energy75.486297
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3207 3061 28.20      
2 A' 3138 2994 18.41      
3 A' 3073 2932 48.54      
4 A' 2991 2855 40.43      
5 A' 1502 1434 3.79      
6 A' 1490 1422 13.85      
7 A' 1421 1356 4.07      
8 A' 1185 1131 3.53      
9 A' 1034 987 0.55      
10 A' 905 864 2.12      
11 A' 409 391 15.65      
12 A' 360 344 9.22      
13 A' 128 122 0.17      
14 A" 3139 2995 22.37      
15 A" 3072 2932 6.13      
16 A" 2986 2850 28.36      
17 A" 1490 1422 0.32      
18 A" 1479 1412 1.87      
19 A" 1428 1363 8.72      
20 A" 1372 1309 1.85      
21 A" 1172 1119 0.03      
22 A" 943 900 1.56      
23 A" 939 896 0.18      
24 A" 117 111 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19490.1 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 18599.4 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 HSEh1PBE/6-31G**
ABC
1.25063 0.27899 0.24939

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.535 0.000
C2 -0.011 -0.197 1.293
C3 -0.011 -0.197 -1.293
H4 0.239 1.593 0.000
H5 -0.742 -1.017 1.290
H6 -0.742 -1.017 -1.290
H7 0.967 -0.661 1.508
H8 -0.243 0.459 2.137
H9 0.967 -0.661 -1.508
H10 -0.243 0.459 -2.137

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48621.48621.08682.14612.14612.15942.15122.15942.1512
C21.48622.58602.22261.09772.80621.10371.09413.00303.5002
C31.48622.58602.22262.80621.09773.00303.50021.10371.0941
H41.08682.22262.22263.07173.07172.80822.46722.80822.4672
H52.14611.09772.80623.07172.57901.75881.77323.29733.7641
H62.14612.80621.09773.07172.57903.29733.76411.75881.7732
H72.15941.10373.00302.80821.75883.29731.76473.01614.0009
H82.15121.09413.50022.46721.77323.76411.76474.00094.2746
H92.15943.00301.10372.80823.29731.75883.01614.00091.7647
H102.15123.50021.09412.46723.76411.77324.00094.27461.7647

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 111.422 C1 C2 H7 112.133
C1 C2 H8 112.068 C1 C3 H6 111.422
C1 C3 H9 112.133 C1 C3 H10 112.068
C2 C1 C3 120.916 C2 C1 H4 118.674
C3 C1 H4 118.674 H5 C2 H7 106.060
H5 C2 H8 108.000 H6 C3 H9 106.060
H6 C3 H10 108.000 H7 C2 H8 106.829
H9 C3 H10 106.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 C -0.411      
3 C -0.411      
4 H 0.117      
5 H 0.133      
6 H 0.133      
7 H 0.135      
8 H 0.136      
9 H 0.135      
10 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.175 -0.123 0.000 0.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.197 0.315 0.000
y 0.315 -20.203 0.000
z 0.000 0.000 -20.171
Traceless
 xyz
x -1.010 0.315 0.000
y 0.315 0.481 0.000
z 0.000 0.000 0.529
Polar
3z2-r21.058
x2-y2-0.994
xy0.315
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.988 0.064 0.000
y 0.064 4.838 0.000
z 0.000 0.000 5.599


<r2> (average value of r2) Å2
<r2> 61.128
(<r2>)1/2 7.818