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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-79.081468
Energy at 298.15K-79.085306
HF Energy-79.081468
Nuclear repulsion energy36.971344
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 B1B95/6-31G
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' 3193 3045 16.97      
2 A' 3094 2950 28.05      
3 A' 2995 2856 28.64      
4 A' 1529 1458 7.51      
5 A' 1505 1435 1.10      
6 A' 1456 1389 5.63      
7 A' 1105 1054 0.24      
8 A' 1016 969 1.66      
9 A' 499 476 70.68      
10 A" 3304 3151 22.89      
11 A" 3145 3000 22.71      
12 A" 1533 1462 7.06      
13 A" 1226 1169 3.78      
14 A" 842 803 4.70      
15 A" 104 99 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 13271.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 12657.0 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 B1B95/6-31G
ABC
3.46490 0.76047 0.70470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.692 0.000
C2 -0.009 0.792 0.000
H3 1.013 -1.106 0.000
H4 -0.506 -1.099 0.885
H5 -0.506 -1.099 -0.885
H6 0.051 1.351 -0.926
H7 0.051 1.351 0.926

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48431.10241.09391.09392.24352.2435
C21.48432.15582.14682.14681.08321.0832
H31.10242.15581.75791.75792.79622.7962
H41.09392.14681.75791.77063.09732.5125
H51.09392.14681.75791.77062.51253.0973
H62.24351.08322.79623.09732.51251.8529
H72.24351.08322.79622.51253.09731.8529

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 121.018 C1 C2 H7 121.018
C2 C1 H3 112.059 C2 C1 H4 111.859
C2 C1 H5 111.859 H3 C1 H4 106.337
H3 C1 H5 106.337 H4 C1 H5 108.049
H6 C2 H7 117.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.502      
2 C -0.290      
3 H 0.169      
4 H 0.166      
5 H 0.166      
6 H 0.146      
7 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.121 -0.255 0.000 0.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.956 0.141 0.000
y 0.141 -13.835 0.000
z 0.000 0.000 -13.391
Traceless
 xyz
x -1.343 0.141 0.000
y 0.141 0.338 0.000
z 0.000 0.000 1.005
Polar
3z2-r22.009
x2-y2-1.121
xy0.141
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.277 -0.034 0.000
y -0.034 3.579 0.000
z 0.000 0.000 3.149


<r2> (average value of r2) Å2
<r2> 27.537
(<r2>)1/2 5.248