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

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-116.928453
Energy at 298.15K-116.934533
HF Energy-116.928453
Nuclear repulsion energy74.648527
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/STO-3G
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' 3521 3109 1.92      
2 A' 3489 3081 1.83      
3 A' 3468 3063 2.27      
4 A' 3319 2931 1.04      
5 A' 1697 1499 4.40      
6 A' 1686 1489 8.74      
7 A' 1593 1407 2.56      
8 A' 1288 1137 9.56      
9 A' 1145 1011 2.91      
10 A' 957 845 1.12      
11 A' 453 400 8.56      
12 A' 367 324 4.02      
13 A' 131 116 0.15      
14 A" 3518 3107 0.24      
15 A" 3468 3063 0.20      
16 A" 3318 2930 2.72      
17 A" 1694 1496 0.42      
18 A" 1681 1485 0.14      
19 A" 1585 1400 4.80      
20 A" 1509 1332 13.72      
21 A" 1245 1099 0.01      
22 A" 1050 928 0.02      
23 A" 1025 905 1.52      
24 A" 111 98 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21658.8 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 19126.9 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/STO-3G
ABC
1.22739 0.27089 0.24268

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 0.544 0.000
C2 -0.015 -0.203 1.315
C3 -0.015 -0.203 -1.315
H4 0.347 1.579 0.000
H5 -0.701 -1.061 1.279
H6 -0.701 -1.061 -1.279
H7 0.987 -0.596 1.563
H8 -0.324 0.452 2.142
H9 0.987 -0.596 -1.563
H10 -0.324 0.452 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.51271.51271.09632.16442.16442.17902.16562.17902.1656
C21.51272.63032.24431.09932.81721.10451.09893.07323.5318
C31.51272.63032.24432.81721.09933.07323.53181.10451.0989
H41.09632.24432.24433.11563.11562.75372.51112.75372.5111
H52.16441.09932.81723.11562.55791.77401.78273.33853.7595
H62.16442.81721.09933.11562.55793.33853.75951.77401.7827
H72.17901.10453.07322.75371.77403.33851.77483.12704.0673
H82.16561.09893.53182.51111.78273.75951.77484.06734.2830
H92.17903.07321.10452.75373.33851.77403.12704.06731.7748
H102.16563.53181.09892.51113.75951.78274.06734.28301.7748

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 110.925 C1 C2 H7 111.781
C1 C2 H8 111.042 C1 C3 H6 110.925
C1 C3 H9 111.781 C1 C3 H10 111.042
C2 C1 C3 120.778 C2 C1 H4 117.796
C3 C1 H4 117.796 H5 C2 H7 107.218
H5 C2 H8 108.381 H6 C3 H9 107.218
H6 C3 H10 108.381 H7 C2 H8 107.312
H9 C3 H10 107.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 C -0.246      
3 C -0.246      
4 H 0.062      
5 H 0.080      
6 H 0.080      
7 H 0.080      
8 H 0.081      
9 H 0.080      
10 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.172 -0.142 0.000 0.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.466 0.237 0.000
y 0.237 -19.021 0.000
z 0.000 0.000 -18.961
Traceless
 xyz
x -0.474 0.237 0.000
y 0.237 0.192 0.000
z 0.000 0.000 0.282
Polar
3z2-r20.565
x2-y2-0.444
xy0.237
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.853 0.094 0.000
y 0.094 2.363 0.000
z 0.000 0.000 2.758


<r2> (average value of r2) Å2
<r2> 61.452
(<r2>)1/2 7.839