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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-118.365556
Energy at 298.15K-118.371680
HF Energy-118.365556
Nuclear repulsion energy75.710838
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 PBE1PBE/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' 3191 3066 23.99      
2 A' 3114 2993 15.22      
3 A' 3041 2922 45.98      
4 A' 2969 2854 44.76      
5 A' 1484 1426 4.71      
6 A' 1470 1413 15.33      
7 A' 1402 1348 5.43      
8 A' 1179 1133 2.75      
9 A' 1022 982 0.11      
10 A' 902 867 2.28      
11 A' 391 375 11.35      
12 A' 349 335 13.70      
13 A' 115 111 0.72      
14 A" 3115 2994 23.45      
15 A" 3041 2923 5.60      
16 A" 2965 2850 25.67      
17 A" 1470 1412 0.68      
18 A" 1460 1403 1.50      
19 A" 1411 1356 9.98      
20 A" 1362 1308 0.77      
21 A" 1163 1118 0.13      
22 A" 939 902 1.07      
23 A" 933 897 0.01      
24 A" 116 111 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19302.1 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 18549.3 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 PBE1PBE/cc-pVTZ
ABC
1.25390 0.28124 0.25111

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 0.535 0.000
C2 -0.010 -0.197 1.288
C3 -0.010 -0.197 -1.288
H4 0.202 1.598 0.000
H5 -0.766 -0.990 1.298
H6 -0.766 -0.990 -1.298
H7 0.954 -0.695 1.478
H8 -0.201 0.463 2.136
H9 0.954 -0.695 -1.478
H10 -0.201 0.463 -2.136

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48151.48151.08342.14062.14062.15112.14572.15112.1457
C21.48152.57612.21901.09592.80831.10141.09112.97163.4922
C31.48152.57612.21902.80831.09592.97163.49221.10141.0911
H41.08342.21902.21903.05253.05252.82962.45202.82962.4520
H52.14061.09592.80833.05252.59521.75401.77033.27873.7710
H62.14062.80831.09593.05252.59523.27873.77101.75401.7703
H72.15111.10142.97162.82961.75403.27871.76232.95683.9670
H82.14571.09113.49222.45201.77033.77101.76233.96704.2720
H92.15112.97161.10142.82963.27871.75402.95683.96701.7623
H102.14573.49221.09112.45203.77101.77033.96704.27201.7623

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 111.429 C1 C2 H7 111.941
C1 C2 H8 112.146 C1 C3 H6 111.429
C1 C3 H9 111.941 C1 C3 H10 112.146
C2 C1 C3 120.786 C2 C1 H4 118.981
C3 C1 H4 118.981 H5 C2 H7 105.927
H5 C2 H8 108.085 H6 C3 H9 105.927
H6 C3 H10 108.085 H7 C2 H8 106.985
H9 C3 H10 106.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 C -0.274      
3 C -0.274      
4 H 0.117      
5 H 0.097      
6 H 0.097      
7 H 0.095      
8 H 0.105      
9 H 0.095      
10 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.152 -0.118 0.000 0.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.552 0.306 0.000
y 0.306 -20.603 0.000
z 0.000 0.000 -20.645
Traceless
 xyz
x -0.928 0.306 0.000
y 0.306 0.495 0.000
z 0.000 0.000 0.432
Polar
3z2-r20.864
x2-y2-0.949
xy0.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.775 0.011 0.000
y 0.011 5.515 0.000
z 0.000 0.000 6.489


<r2> (average value of r2) Å2
<r2> 61.054
(<r2>)1/2 7.814