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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-79.116109
Energy at 298.15K-79.119849
HF Energy-79.116109
Nuclear repulsion energy36.778582
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 B97D3/6-31+G**
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' 3107 3053 20.63      
2 A' 2995 2944 30.73      
3 A' 2901 2851 35.37      
4 A' 1458 1433 3.34      
5 A' 1441 1416 3.25      
6 A' 1373 1349 1.46      
7 A' 1053 1035 0.11      
8 A' 954 937 0.86      
9 A' 473 464 67.91      
10 A" 3208 3153 20.75      
11 A" 3046 2993 27.26      
12 A" 1457 1432 5.89      
13 A" 1168 1148 2.13      
14 A" 799 786 2.75      
15 A" 87 86 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 12759.2 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 12539.8 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 B97D3/6-31+G**
ABC
3.42264 0.75338 0.69783

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.695 0.000
C2 -0.010 0.796 0.000
H3 1.019 -1.110 0.000
H4 -0.507 -1.105 0.892
H5 -0.507 -1.105 -0.892
H6 0.057 1.356 -0.932
H7 0.057 1.356 0.932

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49121.10911.10031.10032.25422.2542
C21.49122.16602.15822.15821.08941.0894
H31.10912.16601.76751.76752.80672.8067
H41.10032.15821.76751.78323.11492.5256
H51.10032.15821.76751.78322.52563.1149
H62.25421.08942.80673.11492.52561.8640
H72.25421.08942.80672.52563.11491.8640

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 120.944 C1 C2 H7 120.944
C2 C1 H3 111.975 C2 C1 H4 111.883
C2 C1 H5 111.883 H3 C1 H4 106.253
H3 C1 H5 106.253 H4 C1 H5 108.253
H6 C2 H7 117.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.509      
2 C -0.282      
3 H 0.163      
4 H 0.161      
5 H 0.161      
6 H 0.153      
7 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 -0.328 0.000 0.355
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.539 0.172 0.000
y 0.172 -14.509 0.000
z 0.000 0.000 -13.716
Traceless
 xyz
x -1.426 0.172 0.000
y 0.172 0.118 0.000
z 0.000 0.000 1.308
Polar
3z2-r22.616
x2-y2-1.030
xy0.172
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.370 -0.073 0.000
y -0.073 4.350 0.000
z 0.000 0.000 3.501


<r2> (average value of r2) Å2
<r2> 28.055
(<r2>)1/2 5.297