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

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-118.480881
Energy at 298.15K-118.486980
HF Energy-118.480881
Nuclear repulsion energy75.641542
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 B3PW91/aug-cc-pVTZ
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' 3179 3068 23.39      
2 A' 3100 2992 14.63      
3 A' 3025 2919 44.89      
4 A' 2956 2853 49.21      
5 A' 1483 1431 5.43      
6 A' 1469 1418 14.51      
7 A' 1402 1353 4.56      
8 A' 1176 1135 2.49      
9 A' 1020 985 0.02      
10 A' 894 862 2.12      
11 A' 385 372 10.88      
12 A' 347 335 16.26      
13 A' 108 104 1.09      
14 A" 3101 2993 24.42      
15 A" 3025 2919 6.37      
16 A" 2952 2849 27.80      
17 A" 1468 1417 0.87      
18 A" 1459 1408 0.86      
19 A" 1406 1357 9.02      
20 A" 1360 1313 1.40      
21 A" 1155 1115 0.18      
22 A" 941 908 0.88      
23 A" 934 902 0.01      
24 A" 115 111 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19229.0 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 18558.0 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 B3PW91/aug-cc-pVTZ
ABC
1.25565 0.28013 0.25024

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.534 0.000
C2 -0.009 -0.197 1.291
C3 -0.009 -0.197 -1.291
H4 0.183 1.600 0.000
H5 -0.772 -0.983 1.308
H6 -0.772 -0.983 -1.308
H7 0.951 -0.704 1.477
H8 -0.189 0.467 2.138
H9 0.951 -0.704 -1.477
H10 -0.189 0.467 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48331.48331.08312.14322.14322.15272.14652.15272.1465
C21.48332.58202.22041.09582.82021.10111.09082.97353.4971
C31.48332.58202.22042.82021.09582.97353.49711.10111.0908
H41.08312.22042.22043.04863.04862.84172.44802.84172.4480
H52.14321.09582.82023.04862.61541.75321.76963.28653.7834
H62.14322.82021.09583.04862.61543.28653.78341.75321.7696
H72.15271.10112.97352.84171.75323.28651.76212.95473.9672
H82.14651.09083.49712.44801.76963.78341.76213.96724.2758
H92.15272.97351.10112.84173.28651.75322.95473.96721.7621
H102.14653.49711.09082.44803.78341.76963.96724.27581.7621

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 111.515 C1 C2 H7 111.961
C1 C2 H8 112.099 C1 C3 H6 111.515
C1 C3 H9 111.961 C1 C3 H10 112.099
C2 C1 C3 120.999 C2 C1 H4 118.986
C3 C1 H4 118.986 H5 C2 H7 105.881
H5 C2 H8 108.049 H6 C3 H9 105.881
H6 C3 H10 108.049 H7 C2 H8 107.006
H9 C3 H10 107.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.415      
2 C -0.598      
3 C -0.598      
4 H 0.340      
5 H 0.223      
6 H 0.223      
7 H 0.216      
8 H 0.196      
9 H 0.216      
10 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.149 -0.138 0.000 0.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.594 0.306 0.000
y 0.306 -20.679 0.000
z 0.000 0.000 -20.667
Traceless
 xyz
x -0.920 0.306 0.000
y 0.306 0.452 0.000
z 0.000 0.000 0.469
Polar
3z2-r20.938
x2-y2-0.915
xy0.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.369 -0.061 0.000
y -0.061 5.965 0.000
z 0.000 0.000 6.928


<r2> (average value of r2) Å2
<r2> 61.227
(<r2>)1/2 7.825