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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-118.477856
Energy at 298.15K-118.484095
HF Energy-118.477856
Nuclear repulsion energy75.614598
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 wB97X-D/TZVP
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' 3207 3063 24.79      
2 A' 3130 2989 17.50      
3 A' 3054 2916 52.53      
4 A' 2985 2850 45.65      
5 A' 1505 1437 5.89      
6 A' 1487 1421 19.43      
7 A' 1422 1358 5.03      
8 A' 1187 1134 2.57      
9 A' 1036 989 0.03      
10 A' 897 857 2.01      
11 A' 396 378 15.52      
12 A' 355 339 17.83      
13 A' 140 134 0.94      
14 A" 3130 2989 26.48      
15 A" 3054 2917 5.37      
16 A" 2981 2847 24.94      
17 A" 1491 1424 2.24      
18 A" 1476 1410 0.96      
19 A" 1424 1360 9.99      
20 A" 1368 1307 1.34      
21 A" 1156 1104 0.23      
22 A" 960 917 0.95      
23 A" 946 904 0.02      
24 A" 148 142 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19467.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 18591.3 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 wB97X-D/TZVP
ABC
1.24702 0.28064 0.25038

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.538 0.000
C2 -0.009 -0.199 1.290
C3 -0.009 -0.199 -1.290
H4 0.185 1.604 0.000
H5 -0.775 -0.982 1.302
H6 -0.775 -0.982 -1.302
H7 0.951 -0.706 1.469
H8 -0.187 0.463 2.139
H9 0.951 -0.706 -1.469
H10 -0.187 0.463 -2.139

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48571.48571.08312.14292.14292.15132.14772.15132.1477
C21.48572.58042.22491.09572.81411.10061.09092.96523.4970
C31.48572.58042.22492.81411.09572.96523.49701.10061.0909
H41.08312.22492.22493.04993.04992.84272.45252.84272.4525
H52.14291.09572.81413.04992.60381.75581.77053.27613.7780
H62.14292.81411.09573.04992.60383.27613.77801.75581.7705
H72.15131.10062.96522.84271.75583.27611.76402.93803.9598
H82.14771.09093.49702.45251.77053.77801.76403.95984.2780
H92.15132.96521.10062.84273.27611.75582.93803.95981.7640
H102.14773.49701.09092.45253.77801.77053.95984.27801.7640

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 111.334 C1 C2 H7 111.702
C1 C2 H8 112.024 C1 C3 H6 111.334
C1 C3 H9 111.702 C1 C3 H10 112.024
C2 C1 C3 120.553 C2 C1 H4 119.197
C3 C1 H4 119.197 H5 C2 H7 106.148
H5 C2 H8 108.135 H6 C3 H9 106.148
H6 C3 H10 108.135 H7 C2 H8 107.207
H9 C3 H10 107.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 C -0.347      
3 C -0.347      
4 H 0.144      
5 H 0.117      
6 H 0.117      
7 H 0.119      
8 H 0.126      
9 H 0.119      
10 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.173 -0.137 0.000 0.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.630 0.315 0.000
y 0.315 -20.603 0.000
z 0.000 0.000 -20.607
Traceless
 xyz
x -1.025 0.315 0.000
y 0.315 0.515 0.000
z 0.000 0.000 0.510
Polar
3z2-r21.019
x2-y2-1.027
xy0.315
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.816 -0.025 0.000
y -0.025 5.455 0.000
z 0.000 0.000 6.107


<r2> (average value of r2) Å2
<r2> 61.167
(<r2>)1/2 7.821