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

using model chemistry: HF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-117.667613
Energy at 298.15K-117.674034
HF Energy-117.667613
Nuclear repulsion energy75.426848
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/6-311G**
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 2984 49.78 90.86 0.21 0.34
2 A' 3218 2924 35.37 103.30 0.69 0.82
3 A' 3178 2887 73.59 160.46 0.25 0.40
4 A' 3109 2824 65.54 240.75 0.09 0.16
5 A' 1607 1460 4.34 17.35 0.75 0.86
6 A' 1603 1457 12.77 2.31 0.67 0.80
7 A' 1535 1395 3.05 1.60 0.73 0.84
8 A' 1271 1155 2.04 1.23 0.29 0.44
9 A' 1126 1023 0.37 0.73 0.21 0.35
10 A' 920 836 1.75 8.14 0.25 0.40
11 A' 472 429 17.99 3.12 0.50 0.67
12 A' 375 341 3.62 0.45 0.61 0.76
13 A' 168 153 0.16 0.51 0.73 0.84
14 A" 3219 2924 39.18 72.53 0.75 0.86
15 A" 3174 2884 11.04 22.68 0.75 0.86
16 A" 3104 2820 29.88 20.52 0.75 0.86
17 A" 1599 1452 0.65 6.99 0.75 0.86
18 A" 1592 1446 1.33 16.86 0.75 0.86
19 A" 1535 1395 5.29 3.46 0.75 0.86
20 A" 1468 1333 4.62 0.45 0.75 0.86
21 A" 1198 1088 0.05 4.46 0.75 0.86
22 A" 1019 926 0.17 2.92 0.75 0.86
23 A" 1007 915 0.43 0.21 0.75 0.86
24 A" 130 118 0.00 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20455.4 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 18583.8 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/6-311G**
ABC
1.24779 0.27689 0.24780

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 0.545 0.000
C2 -0.015 -0.201 1.301
C3 -0.015 -0.201 -1.301
H4 0.350 1.559 0.000
H5 -0.765 -0.989 1.302
H6 -0.765 -0.989 -1.302
H7 0.949 -0.678 1.490
H8 -0.220 0.459 2.138
H9 0.949 -0.678 -1.490
H10 -0.220 0.459 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49921.49921.07822.14712.14712.15522.14912.15522.1491
C21.49922.60132.21881.08772.82101.09271.08542.99063.5070
C31.49922.60132.21882.82101.08772.99063.50701.09271.0854
H41.07822.21882.21883.07113.07112.75382.47062.75382.4706
H52.14711.08772.82103.07112.60461.75251.75853.29113.7719
H62.14712.82101.08773.07112.60463.29113.77191.75251.7585
H72.15521.09272.99062.75381.75253.29111.75492.97923.9770
H82.14911.08543.50702.47061.75853.77191.75493.97704.2753
H92.15522.99061.09272.75383.29111.75252.97923.97701.7549
H102.14913.50701.08542.47063.77191.75853.97704.27531.7549

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 111.197 C1 C2 H7 111.545
C1 C2 H8 111.496 C1 C3 H6 111.197
C1 C3 H9 111.545 C1 C3 H10 111.496
C2 C1 C3 120.346 C2 C1 H4 117.903
C3 C1 H4 117.903 H5 C2 H7 106.989
H5 C2 H8 108.036 H6 C3 H9 106.989
H6 C3 H10 108.036 H7 C2 H8 107.359
H9 C3 H10 107.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 C -0.232      
3 C -0.232      
4 H 0.100      
5 H 0.091      
6 H 0.091      
7 H 0.091      
8 H 0.096      
9 H 0.091      
10 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.226 -0.093 0.000 0.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.530 0.475 0.000
y 0.475 -20.867 0.000
z 0.000 0.000 -21.039
Traceless
 xyz
x -0.577 0.475 0.000
y 0.475 0.417 0.000
z 0.000 0.000 0.160
Polar
3z2-r20.320
x2-y2-0.663
xy0.475
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.248 0.094 0.000
y 0.094 4.873 0.000
z 0.000 0.000 5.497


<r2> (average value of r2) Å2
<r2> 61.665
(<r2>)1/2 7.853