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

using model chemistry: M06-2X/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-118.434591
Energy at 298.15K-118.440757
HF Energy-118.434591
Nuclear repulsion energy75.527156
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 M06-2X/6-311G**
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 3206 19.79      
2 A' 3120 3120 14.18      
3 A' 3051 3051 41.82      
4 A' 2991 2991 33.29      
5 A' 1502 1502 6.00      
6 A' 1485 1485 17.64      
7 A' 1415 1415 6.02      
8 A' 1182 1182 2.82      
9 A' 1029 1029 0.19      
10 A' 900 900 2.11      
11 A' 406 406 17.64      
12 A' 350 350 9.24      
13 A' 138 138 0.25      
14 A" 3120 3120 19.72      
15 A" 3052 3052 2.72      
16 A" 2988 2988 23.62      
17 A" 1490 1490 1.49      
18 A" 1473 1473 1.85      
19 A" 1422 1422 10.49      
20 A" 1366 1366 0.71      
21 A" 1159 1159 0.11      
22 A" 940 940 0.15      
23 A" 936 936 1.25      
24 A" 108 108 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19414.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19414.2 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 M06-2X/6-311G**
ABC
1.23780 0.28042 0.25009

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 0.545 0.000
C2 -0.012 -0.200 1.291
C3 -0.012 -0.200 -1.291
H4 0.269 1.591 0.000
H5 -0.766 -0.995 1.286
H6 -0.766 -0.995 -1.286
H7 0.955 -0.690 1.478
H8 -0.213 0.455 2.140
H9 0.955 -0.690 -1.478
H10 -0.213 0.455 -2.140

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49021.49021.08322.14312.14312.15572.15162.15572.1516
C21.49022.58132.22541.09532.79991.10061.09112.97373.4986
C31.49022.58132.22542.79991.09532.97373.49861.10061.0911
H41.08322.22542.22543.06793.06792.80362.47082.80362.4708
H52.14311.09532.79993.06792.57211.75811.77103.27043.7612
H62.14312.79991.09533.06792.57213.27043.76121.75811.7710
H72.15571.10062.97372.80361.75813.27041.76442.95653.9710
H82.15161.09113.49862.47081.77103.76121.76443.97104.2807
H92.15572.97371.10062.80363.27041.75812.95653.97101.7644
H102.15163.49861.09112.47083.76121.77103.97104.28071.7644

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 111.045 C1 C2 H7 111.740
C1 C2 H8 111.997 C1 C3 H6 111.045
C1 C3 H9 111.740 C1 C3 H10 111.997
C2 C1 C3 120.014 C2 C1 H4 118.861
C3 C1 H4 118.861 H5 C2 H7 106.378
H5 C2 H8 108.188 H6 C3 H9 106.378
H6 C3 H10 108.188 H7 C2 H8 107.226
H9 C3 H10 107.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 C -0.392      
3 C -0.392      
4 H 0.142      
5 H 0.139      
6 H 0.139      
7 H 0.141      
8 H 0.143      
9 H 0.141      
10 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.202 -0.126 0.000 0.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.712 0.402 0.000
y 0.402 -20.746 0.000
z 0.000 0.000 -20.750
Traceless
 xyz
x -0.964 0.402 0.000
y 0.402 0.485 0.000
z 0.000 0.000 0.479
Polar
3z2-r20.957
x2-y2-0.966
xy0.402
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.375 0.059 0.000
y 0.059 5.108 0.000
z 0.000 0.000 5.914


<r2> (average value of r2) Å2
<r2> 61.292
(<r2>)1/2 7.829