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

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-118.326411
Energy at 298.15K-118.332611
HF Energy-118.191057
Nuclear repulsion energy75.120324
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 B2PLYP/cc-pVDZ
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' 3194 3059 29.03      
2 A' 3132 2999 17.90      
3 A' 3069 2939 46.43      
4 A' 2983 2857 44.35      
5 A' 1478 1416 3.50      
6 A' 1469 1407 12.22      
7 A' 1405 1345 3.19      
8 A' 1180 1130 2.48      
9 A' 1032 988 0.10      
10 A' 899 861 1.80      
11 A' 416 399 15.20      
12 A' 360 345 6.17      
13 A' 140 134 0.09      
14 A" 3133 3001 22.71      
15 A" 3069 2939 7.46      
16 A" 2979 2853 27.53      
17 A" 1469 1407 0.04      
18 A" 1459 1397 1.76      
19 A" 1414 1354 6.62      
20 A" 1360 1303 3.35      
21 A" 1162 1113 0.08      
22 A" 936 896 0.77      
23 A" 935 895 0.57      
24 A" 118 113 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19394.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 18574.5 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 B2PLYP/cc-pVDZ
ABC
1.23440 0.27687 0.24746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.540 0.000
C2 -0.013 -0.199 1.298
C3 -0.013 -0.199 -1.298
H4 0.277 1.595 0.000
H5 -0.752 -1.019 1.294
H6 -0.752 -1.019 -1.294
H7 0.971 -0.669 1.506
H8 -0.238 0.462 2.149
H9 0.971 -0.669 -1.506
H10 -0.238 0.462 -2.149

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49331.49331.09382.15702.15702.16762.16202.16762.1620
C21.49332.59562.23251.10412.81751.11071.10063.00843.5165
C31.49332.59562.23252.81751.10413.00843.51651.11071.1006
H41.09382.23252.23253.09313.09312.80592.48322.80592.4832
H52.15701.10412.81753.09312.58871.77061.78563.30633.7833
H62.15702.81751.10413.09312.58873.30633.78331.77061.7856
H72.16761.11073.00842.80591.77063.30631.77633.01164.0122
H82.16201.10063.51652.48321.78563.78331.77634.01224.2977
H92.16763.00841.11072.80593.30631.77063.01164.01221.7763
H102.16203.51651.10062.48323.78331.78564.01224.29771.7763

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 111.413 C1 C2 H7 111.859
C1 C2 H8 112.033 C1 C3 H6 111.413
C1 C3 H9 111.859 C1 C3 H10 112.033
C2 C1 C3 120.704 C2 C1 H4 118.482
C3 C1 H4 118.482 H5 C2 H7 106.161
H5 C2 H8 108.174 H6 C3 H9 106.161
H6 C3 H10 108.174 H7 C2 H8 106.893
H9 C3 H10 106.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 C -0.015      
3 C -0.015      
4 H 0.012      
5 H 0.029      
6 H 0.029      
7 H 0.034      
8 H 0.032      
9 H 0.034      
10 H 0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.189 -0.129 0.000 0.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.586 0.348 0.000
y 0.348 -20.775 0.000
z 0.000 0.000 -20.806
Traceless
 xyz
x -0.795 0.348 0.000
y 0.348 0.421 0.000
z 0.000 0.000 0.375
Polar
3z2-r20.749
x2-y2-0.811
xy0.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.200 0.083 0.000
y 0.083 5.047 0.000
z 0.000 0.000 5.904


<r2> (average value of r2) Å2
<r2> 61.859
(<r2>)1/2 7.865