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

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-79.058749
Energy at 298.15K-79.062606
HF Energy-78.970579
Nuclear repulsion energy36.965879
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/6-31G**
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' 3208 3208 15.14      
2 A' 3108 3108 26.61      
3 A' 3021 3021 27.07      
4 A' 1523 1523 2.36      
5 A' 1509 1509 2.76      
6 A' 1437 1437 0.50      
7 A' 1087 1087 0.06      
8 A' 1003 1003 0.43      
9 A' 463 463 48.42      
10 A" 3313 3313 17.51      
11 A" 3155 3155 23.02      
12 A" 1524 1524 3.49      
13 A" 1222 1222 2.32      
14 A" 825 825 1.88      
15 A" 139 139 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 13267.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13267.8 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/6-31G**
ABC
3.46813 0.75852 0.70365

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.694 0.000
C2 -0.012 0.794 0.000
H3 1.007 -1.105 0.000
H4 -0.511 -1.097 0.884
H5 -0.511 -1.097 -0.884
H6 0.082 1.348 -0.924
H7 0.082 1.348 0.924

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48841.09971.09231.09232.24312.2431
C21.48842.15622.14662.14661.08131.0813
H31.09972.15621.75741.75742.77992.7799
H41.09232.14661.75741.76833.09822.5161
H51.09232.14661.75741.76832.51613.0982
H62.24311.08132.77993.09822.51611.8482
H72.24311.08132.77992.51613.09821.8482

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 120.785 C1 C2 H7 120.785
C2 C1 H3 111.968 C2 C1 H4 111.655
C2 C1 H5 111.655 H3 C1 H4 106.590
H3 C1 H5 106.590 H4 C1 H5 108.087
H6 C2 H7 117.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 C -0.230      
3 H 0.118      
4 H 0.116      
5 H 0.116      
6 H 0.108      
7 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.141 -0.203 0.000 0.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.932 0.200 0.000
y 0.200 -14.067 0.000
z 0.000 0.000 -13.510
Traceless
 xyz
x -1.144 0.200 0.000
y 0.200 0.154 0.000
z 0.000 0.000 0.989
Polar
3z2-r21.979
x2-y2-0.865
xy0.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.393 0.001 0.000
y 0.001 3.608 0.000
z 0.000 0.000 3.216


<r2> (average value of r2) Å2
<r2> 27.612
(<r2>)1/2 5.255