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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-79.105176
Energy at 298.15K-79.108947
HF Energy-79.105176
Nuclear repulsion energy36.698107
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 BLYP/6-31G(2df,p)
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' 3078 3061 16.28      
2 A' 2963 2947 25.97      
3 A' 2860 2845 31.26      
4 A' 1441 1434 2.15      
5 A' 1428 1420 1.56      
6 A' 1359 1352 0.34      
7 A' 1037 1031 0.15      
8 A' 953 947 0.55      
9 A' 461 458 41.68      
10 A" 3176 3159 18.17      
11 A" 3009 2992 23.46      
12 A" 1445 1437 2.63      
13 A" 1163 1156 2.44      
14 A" 789 785 1.55      
15 A" 114 114 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 12637.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 12568.0 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 BLYP/6-31G(2df,p)
ABC
3.41598 0.74945 0.69443

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.696 0.000
C2 -0.011 0.799 0.000
H3 1.019 -1.118 0.000
H4 -0.509 -1.110 0.893
H5 -0.509 -1.110 -0.893
H6 0.063 1.360 -0.932
H7 0.063 1.360 0.932

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49421.11251.10301.10302.25832.2583
C21.49422.17522.16482.16481.09071.0907
H31.11252.17521.76931.76932.81442.8144
H41.10302.16481.76931.78583.12352.5352
H51.10302.16481.76931.78582.53523.1235
H62.25831.09072.81443.12352.53521.8643
H72.25831.09072.81442.53523.12351.8643

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 120.980 C1 C2 H7 120.980
C2 C1 H3 112.293 C2 C1 H4 112.039
C2 C1 H5 112.039 H3 C1 H4 105.987
H3 C1 H5 105.987 H4 C1 H5 108.098
H6 C2 H7 117.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 C -0.218      
3 H 0.113      
4 H 0.110      
5 H 0.110      
6 H 0.099      
7 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.111 -0.253 0.000 0.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.875 0.140 0.000
y 0.140 -14.065 0.000
z 0.000 0.000 -13.487
Traceless
 xyz
x -1.099 0.140 0.000
y 0.140 0.116 0.000
z 0.000 0.000 0.983
Polar
3z2-r21.966
x2-y2-0.810
xy0.140
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.667 -0.032 0.000
y -0.032 4.011 0.000
z 0.000 0.000 3.406


<r2> (average value of r2) Å2
<r2> 27.871
(<r2>)1/2 5.279