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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-118.456193
Energy at 298.15K-118.462365
HF Energy-118.456193
Nuclear repulsion energy75.490943
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 mPW1PW91/6-31G**
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' 3214 3058 28.37      
2 A' 3143 2991 18.92      
3 A' 3079 2930 49.14      
4 A' 2999 2854 40.29      
5 A' 1508 1435 3.89      
6 A' 1497 1424 13.75      
7 A' 1427 1358 3.97      
8 A' 1188 1131 3.65      
9 A' 1038 987 0.56      
10 A' 904 860 2.05      
11 A' 409 389 15.90      
12 A' 360 342 9.21      
13 A' 129 123 0.18      
14 A" 3144 2991 22.62      
15 A" 3079 2929 6.18      
16 A" 2994 2849 28.56      
17 A" 1496 1423 0.39      
18 A" 1486 1413 1.70      
19 A" 1433 1363 8.57      
20 A" 1377 1310 2.11      
21 A" 1172 1116 0.05      
22 A" 947 901 1.46      
23 A" 943 897 0.23      
24 A" 117 111 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19540.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 18592.5 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 mPW1PW91/6-31G**
ABC
1.25293 0.27862 0.24915

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

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 1.294
C3 -0.011 -0.197 -1.294
H4 0.238 1.591 0.000
H5 -0.743 -1.014 1.293
H6 -0.743 -1.014 -1.293
H7 0.965 -0.662 1.508
H8 -0.241 0.460 2.137
H9 0.965 -0.662 -1.508
H10 -0.241 0.460 -2.137

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48701.48701.08562.14612.14612.15882.15022.15882.1502
C21.48702.58852.22201.09642.80971.10231.09293.00383.5007
C31.48702.58852.22202.80971.09643.00383.50071.10231.0929
H41.08562.22202.22203.06953.06952.80732.46472.80732.4647
H52.14611.09642.80973.06952.58551.75731.77113.29953.7662
H62.14612.80971.09643.06952.58553.29953.76621.75731.7711
H72.15881.10233.00382.80731.75733.29951.76303.01643.9997
H82.15021.09293.50072.46471.77113.76621.76303.99974.2731
H92.15883.00381.10232.80733.29951.75733.01643.99971.7630
H102.15023.50071.09292.46473.76621.77113.99974.27311.7630

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 111.443 C1 C2 H7 112.113
C1 C2 H8 112.001 C1 C3 H6 111.443
C1 C3 H9 112.113 C1 C3 H10 112.001
C2 C1 C3 120.999 C2 C1 H4 118.639
C3 C1 H4 118.639 H5 C2 H7 106.114
H5 C2 H8 107.987 H6 C3 H9 106.114
H6 C3 H10 107.987 H7 C2 H8 106.861
H9 C3 H10 106.861
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 C -0.417      
3 C -0.417      
4 H 0.120      
5 H 0.135      
6 H 0.135      
7 H 0.136      
8 H 0.138      
9 H 0.136      
10 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.174 -0.124 0.000 0.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.136 0.316 0.000
y 0.316 -20.139 0.000
z 0.000 0.000 -20.112
Traceless
 xyz
x -1.011 0.316 0.000
y 0.316 0.485 0.000
z 0.000 0.000 0.526
Polar
3z2-r21.051
x2-y2-0.997
xy0.316
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.973 0.064 0.000
y 0.064 4.814 0.000
z 0.000 0.000 5.566


<r2> (average value of r2) Å2
<r2> 61.117
(<r2>)1/2 7.818