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

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G*
 hartrees
Energy at 0K-21.116868
Energy at 298.15K-21.122992
HF Energy-21.116868
Nuclear repulsion energy43.944922
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/CEP-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' 3208 3208 52.60      
2 A' 3140 3140 34.18      
3 A' 3079 3079 89.23      
4 A' 3018 3018 55.23      
5 A' 1507 1507 6.50      
6 A' 1493 1493 19.47      
7 A' 1422 1422 4.65      
8 A' 1179 1179 4.49      
9 A' 1016 1016 0.20      
10 A' 899 899 1.86      
11 A' 371 371 11.05      
12 A' 322 322 42.66      
13 A' 134 134 2.44      
14 A" 3139 3139 43.21      
15 A" 3079 3079 6.76      
16 A" 3014 3014 33.68      
17 A" 1495 1495 1.16      
18 A" 1482 1482 1.02      
19 A" 1438 1438 10.92      
20 A" 1350 1350 2.44      
21 A" 1148 1148 0.02      
22 A" 950 950 0.96      
23 A" 926 926 0.55      
24 A" 147 147 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19478.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19478.1 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/CEP-31G*
ABC
1.20225 0.27371 0.24355

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.555 0.000
C2 -0.009 -0.205 1.308
C3 -0.009 -0.205 -1.308
H4 0.182 1.631 0.000
H5 -0.791 -0.986 1.314
H6 -0.791 -0.986 -1.314
H7 0.957 -0.725 1.475
H8 -0.179 0.461 2.169
H9 0.957 -0.725 -1.475
H10 -0.179 0.461 -2.169

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.51251.51251.09292.17082.17082.17882.17732.17882.1773
C21.51252.61562.26211.10562.84511.10991.10152.99133.5437
C31.51252.61562.26212.84511.10562.99133.54371.10991.1015
H41.09292.26212.26213.08573.08572.88592.49042.88592.4904
H52.17081.10562.84513.08572.62741.77481.78883.30163.8205
H62.17082.84511.10563.08572.62743.30163.82051.77481.7888
H72.17881.10992.99132.88591.77483.30161.78292.95003.9967
H82.17731.10153.54372.49041.78883.82051.78293.99674.3373
H92.17882.99131.10992.88593.30161.77482.95003.99671.7829
H102.17733.54371.10152.49043.82051.78883.99674.33731.7829

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 111.079 C1 C2 H7 111.452
C1 C2 H8 111.850 C1 C3 H6 111.079
C1 C3 H9 111.452 C1 C3 H10 111.850
C2 C1 C3 119.695 C2 C1 H4 119.644
C3 C1 H4 119.644 H5 C2 H7 106.469
H5 C2 H8 108.294 H6 C3 H9 106.469
H6 C3 H10 108.294 H7 C2 H8 107.457
H9 C3 H10 107.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C -0.410      
3 C -0.410      
4 H 0.237      
5 H 0.142      
6 H 0.142      
7 H 0.133      
8 H 0.157      
9 H 0.133      
10 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.208 -0.147 0.000 0.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.997 0.365 0.000
y 0.365 -19.877 0.000
z 0.000 0.000 -20.169
Traceless
 xyz
x -0.974 0.365 0.000
y 0.365 0.706 0.000
z 0.000 0.000 0.268
Polar
3z2-r20.536
x2-y2-1.120
xy0.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.807 -0.036 0.000
y -0.036 4.645 0.000
z 0.000 0.000 5.399


<r2> (average value of r2) Å2
<r2> 54.432
(<r2>)1/2 7.378