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

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-118.343629
Energy at 298.15K-118.349646
HF Energy-118.343629
Nuclear repulsion energy75.329863
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 PBEPBEultrafine/Def2TZVPP
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' 3110 3110 23.37      
2 A' 3033 3033 13.02      
3 A' 2948 2948 46.27      
4 A' 2876 2876 51.16      
5 A' 1438 1438 4.58      
6 A' 1422 1422 14.82      
7 A' 1355 1355 5.12      
8 A' 1140 1140 2.46      
9 A' 986 986 0.08      
10 A' 877 877 2.37      
11 A' 378 378 10.71      
12 A' 343 343 15.66      
13 A' 99 99 1.15      
14 A" 3035 3035 24.87      
15 A" 2948 2948 7.03      
16 A" 2871 2871 27.61      
17 A" 1422 1422 0.91      
18 A" 1412 1412 0.94      
19 A" 1359 1359 9.79      
20 A" 1320 1320 0.89      
21 A" 1131 1131 0.40      
22 A" 910 910 0.89      
23 A" 904 904 0.24      
24 A" 116 116 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18716.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18716.8 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 PBEPBEultrafine/Def2TZVPP
ABC
1.24264 0.27866 0.24877

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.535 0.000
C2 -0.009 -0.196 1.293
C3 -0.009 -0.196 -1.293
H4 0.173 1.611 0.000
H5 -0.774 -0.993 1.310
H6 -0.774 -0.993 -1.310
H7 0.957 -0.709 1.484
H8 -0.190 0.469 2.148
H9 0.957 -0.709 -1.484
H10 -0.190 0.469 -2.148

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48611.48611.09072.15292.15292.16412.15702.16412.1570
C21.48612.58682.22991.10412.82741.11001.09832.98473.5101
C31.48612.58682.22992.82741.10412.98473.51011.11001.0983
H41.09072.22992.22993.06433.06432.86322.46012.86322.4601
H52.15291.10412.82743.06432.61921.76261.78293.29843.7990
H62.15292.82741.10413.06432.61923.29843.79901.76261.7829
H72.16411.11002.98472.86321.76263.29841.77352.96763.9870
H82.15701.09833.51012.46011.78293.79901.77353.98704.2966
H92.16412.98471.11002.86323.29841.76262.96763.98701.7735
H102.15703.51011.09832.46013.79901.78293.98704.29661.7735

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 111.587 C1 C2 H7 112.129
C1 C2 H8 112.287 C1 C3 H6 111.587
C1 C3 H9 112.129 C1 C3 H10 112.287
C2 C1 C3 120.989 C2 C1 H4 119.051
C3 C1 H4 119.051 H5 C2 H7 105.511
H5 C2 H8 108.098 H6 C3 H9 105.511
H6 C3 H10 108.098 H7 C2 H8 106.857
H9 C3 H10 106.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.222      
3 C -0.222      
4 H 0.099      
5 H 0.078      
6 H 0.078      
7 H 0.081      
8 H 0.087      
9 H 0.081      
10 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.140 0.000 0.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.881 0.283 0.000
y 0.283 -20.904 0.000
z 0.000 0.000 -20.843
Traceless
 xyz
x -1.008 0.283 0.000
y 0.283 0.458 0.000
z 0.000 0.000 0.550
Polar
3z2-r21.099
x2-y2-0.977
xy0.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.182 -0.035 0.000
y -0.035 5.902 0.000
z 0.000 0.000 7.006


<r2> (average value of r2) Å2
<r2> 61.712
(<r2>)1/2 7.856