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

using model chemistry: HSEh1PBE/aug-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 HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-118.344480
Energy at 298.15K-118.350543
HF Energy-118.344480
Nuclear repulsion energy75.397606
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 HSEh1PBE/aug-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' 3206 3084 24.73      
2 A' 3130 3012 15.17      
3 A' 3047 2932 50.06      
4 A' 2977 2864 47.93      
5 A' 1460 1405 4.91      
6 A' 1445 1390 14.90      
7 A' 1381 1329 5.31      
8 A' 1168 1124 2.13      
9 A' 999 962 0.02      
10 A' 906 872 2.43      
11 A' 384 370 6.33      
12 A' 336 323 20.06      
13 A' 107 103 1.83      
14 A" 3132 3013 24.58      
15 A" 3048 2933 4.52      
16 A" 2972 2860 30.24      
17 A" 1446 1392 0.02      
18 A" 1435 1381 2.69      
19 A" 1406 1353 9.39      
20 A" 1342 1291 0.24      
21 A" 1169 1124 0.05      
22 A" 926 891 0.30      
23 A" 921 886 0.49      
24 A" 109 105 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19224.8 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 18498.1 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 HSEh1PBE/aug-cc-pVDZ
ABC
1.24003 0.27961 0.24951

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 0.537 0.000
C2 -0.009 -0.198 1.292
C3 -0.009 -0.198 -1.292
H4 0.190 1.610 0.000
H5 -0.792 -0.975 1.313
H6 -0.792 -0.975 -1.313
H7 0.949 -0.727 1.466
H8 -0.169 0.472 2.147
H9 0.949 -0.727 -1.466
H10 -0.169 0.472 -2.147

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48591.48591.09092.14982.14982.15932.15372.15932.1537
C21.48592.58312.23021.10302.82841.10791.09762.96643.5064
C31.48592.58312.23022.82841.10302.96643.50641.10791.0976
H41.09092.23022.23023.06033.06032.86042.45612.86042.4561
H52.14981.10302.82843.06032.62591.76451.78153.28803.8010
H62.14982.82841.10303.06032.62593.28803.80101.76451.7815
H72.15931.10792.96642.86041.76453.28801.77472.93133.9667
H82.15371.09763.50642.45611.78153.80101.77473.96674.2934
H92.15932.96641.10792.86043.28801.76452.93133.96671.7747
H102.15373.50641.09762.45613.80101.78153.96674.29341.7747

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 111.419 C1 C2 H7 111.880
C1 C2 H8 112.069 C1 C3 H6 111.419
C1 C3 H9 111.880 C1 C3 H10 112.069
C2 C1 C3 120.732 C2 C1 H4 119.088
C3 C1 H4 119.088 H5 C2 H7 105.901
H5 C2 H8 108.106 H6 C3 H9 105.901
H6 C3 H10 108.106 H7 C2 H8 107.152
H9 C3 H10 107.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.462      
2 C 0.361      
3 C 0.361      
4 H -0.525      
5 H -0.097      
6 H -0.097      
7 H -0.066      
8 H -0.166      
9 H -0.066      
10 H -0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.151 -0.128 0.000 0.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.770 0.327 0.000
y 0.327 -20.850 0.000
z 0.000 0.000 -20.809
Traceless
 xyz
x -0.941 0.327 0.000
y 0.327 0.440 0.000
z 0.000 0.000 0.501
Polar
3z2-r21.002
x2-y2-0.920
xy0.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.418 -0.063 0.000
y -0.063 6.031 0.000
z 0.000 0.000 6.949


<r2> (average value of r2) Å2
<r2> 61.524
(<r2>)1/2 7.844