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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-78.619745
Energy at 298.15K-78.623703
HF Energy-78.619745
Nuclear repulsion energy36.982572
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 HF/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' 3263 2964 19.13      
2 A' 3186 2895 42.31      
3 A' 3119 2834 41.51      
4 A' 1601 1454 4.20      
5 A' 1581 1436 1.56      
6 A' 1521 1382 0.27      
7 A' 1102 1001 0.31      
8 A' 1067 970 0.10      
9 A' 471 428 47.21      
10 A" 3363 3055 28.25      
11 A" 3221 2926 37.87      
12 A" 1603 1457 4.35      
13 A" 1291 1173 1.82      
14 A" 861 782 1.03      
15 A" 168 153 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 13709.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 12454.8 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 HF/6-311G**
ABC
3.49038 0.75435 0.70130

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 -0.699 0.000
C2 -0.016 0.799 0.000
H3 0.999 -1.100 0.000
H4 -0.517 -1.094 0.879
H5 -0.517 -1.094 -0.879
H6 0.113 1.343 -0.919
H7 0.113 1.343 0.919

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49761.09131.08601.08602.24312.2431
C21.49762.15292.14602.14601.07611.0761
H31.09132.15291.75231.75232.75652.7565
H41.08602.14601.75231.75773.09332.5173
H51.08602.14601.75231.75772.51733.0933
H62.24311.07612.75653.09332.51731.8385
H72.24311.07612.75652.51733.09331.8385

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 120.388 C1 C2 H7 120.388
C2 C1 H3 111.560 C2 C1 H4 111.323
C2 C1 H5 111.323 H3 C1 H4 107.187
H3 C1 H5 107.187 H4 C1 H5 108.046
H6 C2 H7 117.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.249      
2 C -0.250      
3 H 0.096      
4 H 0.095      
5 H 0.095      
6 H 0.107      
7 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.182 -0.161 0.000 0.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.144 0.296 0.000
y 0.296 -14.461 0.000
z 0.000 0.000 -13.675
Traceless
 xyz
x -1.076 0.296 0.000
y 0.296 -0.052 0.000
z 0.000 0.000 1.128
Polar
3z2-r22.255
x2-y2-0.683
xy0.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.725 0.028 0.000
y 0.028 3.660 0.000
z 0.000 0.000 3.303


<r2> (average value of r2) Å2
<r2> 27.776
(<r2>)1/2 5.270