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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-79.149150
Energy at 298.15K-79.152920
HF Energy-79.149150
Nuclear repulsion energy36.660578
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 B3LYP/SDD
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' 3156 3034 24.14      
2 A' 3071 2952 40.85      
3 A' 2979 2864 32.43      
4 A' 1505 1447 11.03      
5 A' 1471 1414 0.75      
6 A' 1430 1374 11.35      
7 A' 1073 1031 0.23      
8 A' 996 957 1.59      
9 A' 520 500 104.97      
10 A" 3277 3150 34.37      
11 A" 3122 3001 34.10      
12 A" 1509 1451 10.22      
13 A" 1200 1153 2.90      
14 A" 822 790 8.10      
15 A" 71 68 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13099.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 12592.6 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 B3LYP/SDD
ABC
3.42776 0.74395 0.68985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.702 0.000
C2 -0.007 0.802 0.000
H3 1.020 -1.112 0.000
H4 -0.507 -1.107 0.890
H5 -0.507 -1.107 -0.890
H6 0.038 1.362 -0.932
H7 0.038 1.362 0.932

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.50471.10571.09821.09822.26582.2658
C21.50472.17222.16512.16511.08811.0881
H31.10572.17221.76771.76772.82022.8202
H41.09822.16511.76771.78043.11692.5292
H51.09822.16511.76771.78042.52923.1169
H62.26581.08812.82023.11692.52921.8636
H72.26581.08812.82022.52923.11691.8636

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 111.727 C2 C1 H4 111.616
C2 C1 H5 111.616 H3 C1 H4 106.652
H3 C1 H5 106.652 H4 C1 H5 108.303
H6 C2 H7 117.814
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 C -0.413      
3 H 0.209      
4 H 0.207      
5 H 0.207      
6 H 0.197      
7 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.128 -0.320 0.000 0.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.221 0.136 0.000
y 0.136 -13.832 0.000
z 0.000 0.000 -13.255
Traceless
 xyz
x -1.678 0.136 0.000
y 0.136 0.406 0.000
z 0.000 0.000 1.271
Polar
3z2-r22.543
x2-y2-1.389
xy0.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.390 -0.061 0.000
y -0.061 3.537 0.000
z 0.000 0.000 3.010


<r2> (average value of r2) Å2
<r2> 27.909
(<r2>)1/2 5.283