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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-118.442497
Energy at 298.15K-118.448531
HF Energy-118.442497
Nuclear repulsion energy75.114844
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/cc-pVTZ
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' 3094 3084 29.03      
2 A' 3006 2997 17.37      
3 A' 2926 2917 54.82      
4 A' 2850 2841 68.81      
5 A' 1456 1451 3.60      
6 A' 1441 1437 11.32      
7 A' 1377 1373 3.55      
8 A' 1149 1146 2.13      
9 A' 1002 999 0.06      
10 A' 858 855 1.90      
11 A' 380 379 8.03      
12 A' 344 343 14.24      
13 A' 99 98 0.92      
14 A" 3008 2999 33.51      
15 A" 2924 2916 9.93      
16 A" 2846 2837 25.35      
17 A" 1441 1437 0.84      
18 A" 1431 1427 0.26      
19 A" 1366 1362 4.56      
20 A" 1337 1333 4.98      
21 A" 1113 1109 0.53      
22 A" 925 922 0.81      
23 A" 918 916 0.31      
24 A" 113 113 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18701.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 18645.4 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/cc-pVTZ
ABC
1.24451 0.27544 0.24623

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.535 0.000
C2 -0.009 -0.197 1.302
C3 -0.009 -0.197 -1.302
H4 0.173 1.608 0.000
H5 -0.771 -0.993 1.322
H6 -0.771 -0.993 -1.322
H7 0.957 -0.705 1.497
H8 -0.193 0.471 2.152
H9 0.957 -0.705 -1.497
H10 -0.193 0.471 -2.152

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49371.49371.08822.15952.15952.17052.16052.17052.1605
C21.49372.60422.23301.10242.84611.10871.09663.00413.5227
C31.49372.60422.23302.84611.10243.00413.52271.10871.0966
H41.08822.23302.23303.06653.06652.86452.46072.86452.4607
H52.15951.10242.84613.06652.64381.76091.77983.31883.8137
H62.15952.84611.10243.06652.64383.31883.81371.76091.7798
H72.17051.10873.00412.86451.76093.31881.77092.99344.0022
H82.16051.09663.52272.46071.77983.81371.77094.00224.3033
H92.17053.00411.10872.86453.31881.76092.99344.00221.7709
H102.16053.52271.09662.46073.81371.77984.00224.30331.7709

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 111.686 C1 C2 H7 112.185
C1 C2 H8 112.125 C1 C3 H6 111.686
C1 C3 H9 112.185 C1 C3 H10 112.125
C2 C1 C3 121.315 C2 C1 H4 118.892
C3 C1 H4 118.892 H5 C2 H7 105.573
H5 C2 H8 108.066 H6 C3 H9 105.573
H6 C3 H10 108.066 H7 C2 H8 106.839
H9 C3 H10 106.839
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 C -0.251      
3 C -0.251      
4 H 0.097      
5 H 0.087      
6 H 0.087      
7 H 0.084      
8 H 0.091      
9 H 0.084      
10 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.126 -0.111 0.000 0.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.991 0.256 0.000
y 0.256 -21.081 0.000
z 0.000 0.000 -21.091
Traceless
 xyz
x -0.905 0.256 0.000
y 0.256 0.460 0.000
z 0.000 0.000 0.445
Polar
3z2-r20.889
x2-y2-0.910
xy0.256
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.953 -0.002 0.000
y -0.002 5.788 0.000
z 0.000 0.000 6.929


<r2> (average value of r2) Å2
<r2> 62.245
(<r2>)1/2 7.890