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All results from a given calculation for C2H5 (Ethyl radical)

using model chemistry: M06-2X/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at M06-2X/6-31G**
 hartrees
Energy at 0K-79.106410
Energy at 298.15K-79.110272
HF Energy-79.106410
Nuclear repulsion energy36.945629
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/6-31G**
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' 3185 3027 13.17      
2 A' 3093 2940 22.00      
3 A' 3013 2863 24.04      
4 A' 1501 1426 2.70      
5 A' 1485 1411 2.94      
6 A' 1414 1344 0.82      
7 A' 1091 1037 0.06      
8 A' 990 941 0.83      
9 A' 433 411 45.98      
10 A" 3290 3127 15.04      
11 A" 3140 2984 18.25      
12 A" 1502 1427 3.94      
13 A" 1198 1139 2.49      
14 A" 806 766 2.34      
15 A" 167 158 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 13153.4 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 12501.0 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/6-31G**
ABC
3.45430 0.75860 0.70372

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.694 0.000
C2 -0.014 0.795 0.000
H3 1.007 -1.107 0.000
H4 -0.515 -1.096 0.885
H5 -0.515 -1.096 -0.885
H6 0.094 1.346 -0.926
H7 0.094 1.346 0.926

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48841.10091.09381.09382.24212.2421
C21.48842.15802.14682.14681.08261.0826
H31.10092.15801.76031.76032.77552.7755
H41.09382.14681.76031.77063.10012.5165
H51.09382.14681.76031.77062.51653.1001
H62.24211.08262.77553.10012.51651.8512
H72.24211.08262.77552.51653.10011.8512

picture of Ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 120.591 C1 C2 H7 120.591
C2 C1 H3 112.035 C2 C1 H4 111.568
C2 C1 H5 111.568 H3 C1 H4 106.657
H3 C1 H5 106.657 H4 C1 H5 108.070
H6 C2 H7 117.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.388      
2 C -0.249      
3 H 0.132      
4 H 0.131      
5 H 0.131      
6 H 0.121      
7 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.152 -0.187 0.000 0.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.941 0.233 0.000
y 0.233 -14.012 0.000
z 0.000 0.000 -13.462
Traceless
 xyz
x -1.204 0.233 0.000
y 0.233 0.190 0.000
z 0.000 0.000 1.014
Polar
3z2-r22.029
x2-y2-0.929
xy0.233
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.439 0.007 0.000
y 0.007 3.660 0.000
z 0.000 0.000 3.282


<r2> (average value of r2) Å2
<r2> 27.599
(<r2>)1/2 5.253