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

using model chemistry: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-78.698845
Energy at 298.15K-78.702621
HF Energy-78.698845
Nuclear repulsion energy 
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 wB97X-D/3-21G
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' 3186 3186 12.00      
2 A' 3105 3105 19.02      
3 A' 3019 3019 18.90      
4 A' 1554 1554 9.06      
5 A' 1507 1507 0.37      
6 A' 1469 1469 9.83      
7 A' 1055 1055 0.39      
8 A' 1024 1024 2.44      
9 A' 448 448 76.36      
10 A" 3294 3294 13.55      
11 A" 3149 3149 15.17      
12 A" 1559 1559 8.03      
13 A" 1234 1234 4.66      
14 A" 854 854 6.02      
15 A" 89 89 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 13272.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13272.3 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 wB97X-D/3-21G
ABC
3.43108 0.75334 0.69825

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.698 0.000
C2 -0.010 0.798 0.000
H3 1.017 -1.102 0.000
H4 -0.510 -1.098 0.889
H5 -0.510 -1.098 -0.889
H6 0.059 1.349 -0.931
H7 0.059 1.349 0.931

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49641.10291.09551.09552.24992.2499
C21.49642.15932.15302.15301.08381.0838
H31.10292.15931.76671.76672.79072.7907
H41.09552.15301.76671.77783.10202.5124
H51.09552.15301.76671.77782.51243.1020
H62.24991.08382.79073.10202.51241.8618
H72.24991.08382.79072.51243.10201.8618

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 120.540 C1 C2 H7 120.540
C2 C1 H3 111.451 C2 C1 H4 111.396
C2 C1 H5 111.396 H3 C1 H4 106.952
H3 C1 H5 106.952 H4 C1 H5 108.472
H6 C2 H7 118.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.671      
2 C -0.401      
3 H 0.222      
4 H 0.221      
5 H 0.221      
6 H 0.204      
7 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.140 -0.221 0.000 0.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.042 0.174 0.000
y 0.174 -13.764 0.000
z 0.000 0.000 -13.325
Traceless
 xyz
x -1.497 0.174 0.000
y 0.174 0.419 0.000
z 0.000 0.000 1.078
Polar
3z2-r22.156
x2-y2-1.277
xy0.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.128 -0.016 0.000
y -0.016 3.390 0.000
z 0.000 0.000 3.018


<r2> (average value of r2) Å2
<r2> 27.657
(<r2>)1/2 5.259