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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-78.630484
Energy at 298.15K-78.634424
HF Energy-78.630484
Nuclear repulsion energy37.060537
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3269 2963 17.32      
2 A' 3184 2886 35.76      
3 A' 3116 2825 38.50      
4 A' 1600 1450 3.75      
5 A' 1583 1435 1.71      
6 A' 1523 1381 0.15      
7 A' 1099 996 0.29      
8 A' 1067 968 0.23      
9 A' 467 423 49.78      
10 A" 3368 3052 22.78      
11 A" 3218 2917 33.72      
12 A" 1603 1453 4.40      
13 A" 1294 1173 1.75      
14 A" 862 781 0.80      
15 A" 161 146 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 13706.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 12423.3 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 HF/Def2TZVPP
ABC
3.50865 0.75730 0.70392

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 -0.645 0.000
C2 0.021 0.772 0.000
H3 1.003 -1.147 0.000
H4 -0.463 -1.144 0.854
H5 -0.463 -1.144 -0.854
H6 -0.167 1.338 -0.909
H7 -0.167 1.338 0.909

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.41671.10261.10091.10092.18922.1892
C21.41672.15512.15222.15221.08711.0871
H31.10262.15511.69651.69652.89262.8926
H41.10092.15221.69651.70723.05802.4996
H51.10092.15221.69651.70722.49963.0580
H62.18921.08712.89263.05802.49961.8177
H72.18921.08712.89262.49963.05801.8177

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 121.378 C1 C2 H7 121.378
C2 C1 H3 117.070 C2 C1 H4 116.937
C2 C1 H5 116.937 H3 C1 H4 100.696
H3 C1 H5 100.696 H4 C1 H5 101.679
H6 C2 H7 113.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 C -0.159      
3 H 0.055      
4 H 0.057      
5 H 0.057      
6 H 0.061      
7 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.173 -0.186 0.000 0.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.210 0.292 0.000
y 0.292 -14.521 0.000
z 0.000 0.000 -13.683
Traceless
 xyz
x -1.108 0.292 0.000
y 0.292 -0.074 0.000
z 0.000 0.000 1.182
Polar
3z2-r22.365
x2-y2-0.689
xy0.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.208 -0.007 0.000
y -0.007 4.002 0.000
z 0.000 0.000 3.540


<r2> (average value of r2) Å2
<r2> 27.731
(<r2>)1/2 5.266