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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-79.041361
Energy at 298.15K-79.045211
HF Energy-78.962793
Nuclear repulsion energy36.920729
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 B2PLYP/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' 3207 3044 15.14      
2 A' 3103 2946 26.66      
3 A' 3016 2863 27.68      
4 A' 1534 1456 3.53      
5 A' 1517 1440 2.04      
6 A' 1452 1378 0.67      
7 A' 1089 1034 0.06      
8 A' 1012 961 0.51      
9 A' 459 436 53.05      
10 A" 3307 3139 18.33      
11 A" 3148 2988 23.39      
12 A" 1538 1460 3.98      
13 A" 1229 1166 2.46      
14 A" 829 787 2.10      
15 A" 138 131 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 13289.4 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 12614.3 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 B2PLYP/6-31G*
ABC
3.45725 0.75703 0.70229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.694 0.000
C2 -0.012 0.795 0.000
H3 1.009 -1.107 0.000
H4 -0.513 -1.098 0.886
H5 -0.513 -1.098 -0.886
H6 0.083 1.350 -0.925
H7 0.083 1.350 0.925

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48941.10171.09421.09422.24582.2458
C21.48942.15912.14872.14871.08291.0829
H31.10172.15911.76071.76072.78402.7840
H41.09422.14871.76071.77133.10222.5192
H51.09422.14871.76071.77132.51923.1022
H62.24581.08292.78403.10222.51921.8501
H72.24581.08292.78402.51923.10221.8501

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 120.821 C1 C2 H7 120.821
C2 C1 H3 112.006 C2 C1 H4 111.624
C2 C1 H5 111.624 H3 C1 H4 106.612
H3 C1 H5 106.612 H4 C1 H5 108.070
H6 C2 H7 117.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.469      
2 C -0.315      
3 H 0.161      
4 H 0.160      
5 H 0.160      
6 H 0.152      
7 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.148 -0.197 0.000 0.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.968 0.211 0.000
y 0.211 -14.072 0.000
z 0.000 0.000 -13.491
Traceless
 xyz
x -1.187 0.211 0.000
y 0.211 0.158 0.000
z 0.000 0.000 1.029
Polar
3z2-r22.057
x2-y2-0.897
xy0.211
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.338 0.000 0.000
y 0.000 3.553 0.000
z 0.000 0.000 3.173


<r2> (average value of r2) Å2
<r2> 27.660
(<r2>)1/2 5.259