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

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-79.098855
Energy at 298.15K-79.102679
HF Energy-78.992802
Nuclear repulsion energy37.050882
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 B2PLYP/6-311+G(3df,2p)
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' 3171 3171 13.48      
2 A' 3069 3069 19.88      
3 A' 2983 2983 22.66      
4 A' 1499 1499 3.03      
5 A' 1484 1484 2.82      
6 A' 1414 1414 1.70      
7 A' 1073 1073 0.06      
8 A' 988 988 0.63      
9 A' 486 486 56.30      
10 A" 3274 3274 11.40      
11 A" 3114 3114 18.60      
12 A" 1498 1498 5.81      
13 A" 1205 1205 1.97      
14 A" 818 818 1.51      
15 A" 109 109 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13092.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13092.7 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 B2PLYP/6-311+G(3df,2p)
ABC
3.48666 0.76214 0.70656

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.692 0.000
C2 -0.010 0.792 0.000
H3 1.010 -1.099 0.000
H4 -0.504 -1.097 0.883
H5 -0.504 -1.097 -0.883
H6 0.059 1.347 -0.923
H7 0.059 1.347 0.923

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48461.09761.08971.08972.23932.2393
C21.48462.14842.14302.14301.07871.0787
H31.09762.14841.75251.75252.78132.7813
H41.08972.14301.75251.76613.09012.5080
H51.08972.14301.75251.76612.50803.0901
H62.23931.07872.78133.09012.50801.8452
H72.23931.07872.78132.50803.09011.8452

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 120.940 C1 C2 H7 120.940
C2 C1 H3 111.735 C2 C1 H4 111.780
C2 C1 H5 111.780 H3 C1 H4 106.492
H3 C1 H5 106.492 H4 C1 H5 108.255
H6 C2 H7 117.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.333      
2 C -0.410      
3 H 0.152      
4 H 0.146      
5 H 0.146      
6 H 0.150      
7 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.128 -0.290 0.000 0.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.511 0.174 0.000
y 0.174 -14.573 0.000
z 0.000 0.000 -13.782
Traceless
 xyz
x -1.333 0.174 0.000
y 0.174 0.074 0.000
z 0.000 0.000 1.260
Polar
3z2-r22.520
x2-y2-0.938
xy0.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.772 -0.055 0.000
y -0.055 4.512 0.000
z 0.000 0.000 3.778


<r2> (average value of r2) Å2
<r2> 27.814
(<r2>)1/2 5.274