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

using model chemistry: TPSSh/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 TPSSh/STO-3G
 hartrees
Energy at 0K-117.094165
Energy at 298.15K-117.100211
HF Energy-117.094165
Nuclear repulsion energy74.236903
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 TPSSh/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' 3472 3472 3.98      
2 A' 3439 3439 2.82      
3 A' 3418 3418 4.27      
4 A' 3276 3276 1.38      
5 A' 1693 1693 2.80      
6 A' 1684 1684 5.86      
7 A' 1585 1585 1.26      
8 A' 1275 1275 8.26      
9 A' 1133 1133 1.71      
10 A' 932 932 0.66      
11 A' 454 454 8.27      
12 A' 359 359 2.89      
13 A' 130 130 0.15      
14 A" 3469 3469 0.59      
15 A" 3418 3418 0.38      
16 A" 3275 3275 3.44      
17 A" 1690 1690 0.17      
18 A" 1678 1678 0.06      
19 A" 1572 1572 1.21      
20 A" 1494 1494 20.48      
21 A" 1219 1219 0.01      
22 A" 1038 1038 0.06      
23 A" 1012 1012 0.93      
24 A" 108 108 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21412.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21412.4 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 TPSSh/STO-3G
ABC
1.21634 0.26735 0.23965

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 0.548 0.000
C2 -0.016 -0.204 1.324
C3 -0.016 -0.204 -1.324
H4 0.363 1.581 0.000
H5 -0.707 -1.064 1.290
H6 -0.707 -1.064 -1.290
H7 0.990 -0.600 1.572
H8 -0.322 0.457 2.153
H9 0.990 -0.600 -1.572
H10 -0.322 0.457 -2.153

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.52291.52291.10042.17662.17662.19102.17632.19102.1763
C21.52292.64862.25461.10322.83741.10881.10313.09163.5525
C31.52292.64862.25462.83741.10323.09163.55251.10881.1031
H41.10042.25462.25463.13073.13072.76042.52342.76042.5234
H52.17661.10322.83743.13072.58011.78131.78973.35953.7830
H62.17662.83741.10323.13072.58013.35953.78301.78131.7897
H72.19101.10883.09162.76041.78133.35951.78183.14444.0881
H82.17631.10313.55252.52341.78973.78301.78184.08814.3054
H92.19103.09161.10882.76043.35951.78133.14444.08811.7818
H102.17633.55251.10312.52343.78301.78974.08814.30541.7818

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 110.948 C1 C2 H7 111.762
C1 C2 H8 110.933 C1 C3 H6 110.948
C1 C3 H9 111.762 C1 C3 H10 110.933
C2 C1 C3 120.828 C2 C1 H4 117.611
C3 C1 H4 117.611 H5 C2 H7 107.275
H5 C2 H8 108.418 H6 C3 H9 107.275
H6 C3 H10 108.418 H7 C2 H8 107.330
H9 C3 H10 107.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.042      
2 C -0.214      
3 C -0.214      
4 H 0.052      
5 H 0.069      
6 H 0.069      
7 H 0.069      
8 H 0.071      
9 H 0.069      
10 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.170 -0.136 0.000 0.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.898 0.102 0.000
y 0.102 2.425 0.000
z 0.000 0.000 2.860


<r2> (average value of r2) Å2
<r2> 62.152
(<r2>)1/2 7.884