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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-79.050940
Energy at 298.15K-79.054760
HF Energy-79.050940
Nuclear repulsion energy36.940130
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 PBE1PBE/6-31G**
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' 3196 3047 14.83      
2 A' 3094 2949 23.90      
3 A' 3003 2863 26.40      
4 A' 1510 1439 4.30      
5 A' 1492 1422 2.40      
6 A' 1425 1359 1.91      
7 A' 1098 1047 0.08      
8 A' 992 946 0.91      
9 A' 460 438 57.21      
10 A" 3297 3143 16.06      
11 A" 3141 2994 19.67      
12 A" 1513 1442 5.10      
13 A" 1206 1149 3.01      
14 A" 818 780 3.21      
15 A" 122 117 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 13183.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 12565.6 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 PBE1PBE/6-31G**
ABC
3.44987 0.76014 0.70453

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.692 0.000
C2 -0.011 0.792 0.000
H3 1.012 -1.107 0.000
H4 -0.511 -1.099 0.887
H5 -0.511 -1.099 -0.887
H6 0.071 1.350 -0.927
H7 0.071 1.350 0.927

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48421.10381.09621.09622.24402.2440
C21.48422.15702.14782.14781.08521.0852
H31.10382.15701.76191.76192.78942.7894
H41.09622.14781.76191.77363.10272.5174
H51.09622.14781.76191.77362.51743.1027
H62.24401.08522.78943.10272.51741.8546
H72.24401.08522.78942.51743.10271.8546

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 120.924 C1 C2 H7 120.924
C2 C1 H3 112.079 C2 C1 H4 111.801
C2 C1 H5 111.801 H3 C1 H4 106.422
H3 C1 H5 106.422 H4 C1 H5 107.985
H6 C2 H7 117.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.542      
2 C -0.345      
3 H 0.183      
4 H 0.182      
5 H 0.182      
6 H 0.169      
7 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 -0.214 0.000 0.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.908 0.188 0.000
y 0.188 -13.877 0.000
z 0.000 0.000 -13.329
Traceless
 xyz
x -1.305 0.188 0.000
y 0.188 0.241 0.000
z 0.000 0.000 1.064
Polar
3z2-r22.128
x2-y2-1.031
xy0.188
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.365 -0.013 0.000
y -0.013 3.633 0.000
z 0.000 0.000 3.194


<r2> (average value of r2) Å2
<r2> 27.541
(<r2>)1/2 5.248