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

using model chemistry: BLYP/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 BLYP/TZVP
 hartrees
Energy at 0K-118.440023
Energy at 298.15K-118.446054
HF Energy-118.440023
Nuclear repulsion energy75.039952
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 BLYP/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' 3097 3089 28.44      
2 A' 3011 3003 17.39      
3 A' 2929 2922 55.79      
4 A' 2854 2847 68.48      
5 A' 1458 1455 4.02      
6 A' 1444 1440 15.28      
7 A' 1381 1377 4.00      
8 A' 1149 1147 2.25      
9 A' 1002 999 0.03      
10 A' 858 856 2.03      
11 A' 381 380 10.42      
12 A' 345 344 19.91      
13 A' 98 98 1.59      
14 A" 3012 3005 33.81      
15 A" 2928 2920 9.80      
16 A" 2849 2842 25.53      
17 A" 1443 1440 1.55      
18 A" 1433 1429 0.49      
19 A" 1370 1366 5.66      
20 A" 1338 1334 4.53      
21 A" 1114 1111 0.70      
22 A" 927 924 0.95      
23 A" 920 918 0.24      
24 A" 112 112 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18725.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 18679.1 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 BLYP/TZVP
ABC
1.24132 0.27500 0.24583

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.536 0.000
C2 -0.009 -0.197 1.303
C3 -0.009 -0.197 -1.303
H4 0.172 1.610 0.000
H5 -0.776 -0.991 1.325
H6 -0.776 -0.991 -1.325
H7 0.957 -0.710 1.495
H8 -0.188 0.473 2.154
H9 0.957 -0.710 -1.495
H10 -0.188 0.473 -2.154

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49501.49501.08982.16202.16202.17242.16222.17242.1622
C21.49502.60612.23561.10382.85071.11001.09803.00423.5259
C31.49502.60612.23562.85071.10383.00423.52591.11001.0980
H41.08982.23562.23563.06913.06912.86972.46212.86972.4621
H52.16201.10382.85073.06912.65091.76361.78153.32223.8201
H62.16202.85071.10383.06912.65093.32223.82011.76361.7815
H72.17241.11003.00422.86971.76363.32221.77342.99034.0033
H82.16221.09803.52592.46211.78153.82011.77344.00334.3078
H92.17243.00421.11002.86973.32221.76362.99034.00331.7734
H102.16223.52591.09802.46213.82011.78154.00334.30781.7734

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 111.712 C1 C2 H7 112.163
C1 C2 H8 112.091 C1 C3 H6 111.712
C1 C3 H9 112.163 C1 C3 H10 112.091
C2 C1 C3 121.291 C2 C1 H4 118.909
C3 C1 H4 118.909 H5 C2 H7 105.624
H5 C2 H8 108.025 H6 C3 H9 105.624
H6 C3 H10 108.025 H7 C2 H8 106.862
H9 C3 H10 106.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 C -0.350      
3 C -0.350      
4 H 0.128      
5 H 0.115      
6 H 0.115      
7 H 0.115      
8 H 0.122      
9 H 0.115      
10 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.155 -0.137 0.000 0.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.175 0.302 0.000
y 0.302 -21.167 0.000
z 0.000 0.000 -21.131
Traceless
 xyz
x -1.026 0.302 0.000
y 0.302 0.486 0.000
z 0.000 0.000 0.540
Polar
3z2-r21.081
x2-y2-1.008
xy0.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.049 -0.044 0.000
y -0.044 5.787 0.000
z 0.000 0.000 6.730


<r2> (average value of r2) Å2
<r2> 62.397
(<r2>)1/2 7.899