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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-79.103843
Energy at 298.15K-79.107666
HF Energy-79.103843
Nuclear repulsion energy37.041437
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 B1B95/6-31G**
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' 3189 3045 15.65      
2 A' 3095 2955 23.96      
3 A' 2998 2863 25.27      
4 A' 1497 1429 2.50      
5 A' 1479 1412 3.35      
6 A' 1405 1342 1.56      
7 A' 1094 1044 0.14      
8 A' 977 933 0.89      
9 A' 459 438 52.49      
10 A" 3296 3147 16.72      
11 A" 3146 3003 19.70      
12 A" 1494 1426 4.32      
13 A" 1196 1142 2.85      
14 A" 813 776 2.92      
15 A" 129 123 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 13132.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 12539.1 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 B1B95/6-31G**
ABC
3.46919 0.76436 0.70826

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.690 0.000
C2 -0.012 0.790 0.000
H3 1.009 -1.103 0.000
H4 -0.507 -1.097 0.885
H5 -0.507 -1.097 -0.885
H6 0.072 1.346 -0.925
H7 0.072 1.346 0.925

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48021.10091.09271.09272.23782.2378
C21.48022.15072.14242.14241.08251.0825
H31.10092.15071.75561.75562.78042.7804
H41.09272.14241.75561.76923.09492.5109
H51.09272.14241.75561.76922.51093.0949
H62.23781.08252.78043.09492.51091.8506
H72.23781.08252.78042.51093.09491.8506

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 120.884 C1 C2 H7 120.884
C2 C1 H3 112.026 C2 C1 H4 111.864
C2 C1 H5 111.864 H3 C1 H4 106.320
H3 C1 H5 106.320 H4 C1 H5 108.106
H6 C2 H7 117.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 C -0.255      
3 H 0.135      
4 H 0.133      
5 H 0.133      
6 H 0.120      
7 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 -0.243 0.000 0.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.831 0.178 0.000
y 0.178 -13.845 0.000
z 0.000 0.000 -13.326
Traceless
 xyz
x -1.245 0.178 0.000
y 0.178 0.234 0.000
z 0.000 0.000 1.011
Polar
3z2-r22.023
x2-y2-0.986
xy0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.422 -0.016 0.000
y -0.016 3.724 0.000
z 0.000 0.000 3.246


<r2> (average value of r2) Å2
<r2> 27.416
(<r2>)1/2 5.236