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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-79.096863
Energy at 298.15K-79.100681
HF Energy-79.096863
Nuclear repulsion energy37.016044
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' 3196 3034 15.97      
2 A' 3097 2940 24.64      
3 A' 3000 2848 26.47      
4 A' 1512 1435 3.63      
5 A' 1493 1417 2.63      
6 A' 1424 1352 1.49      
7 A' 1097 1041 0.11      
8 A' 988 937 0.98      
9 A' 450 427 56.26      
10 A" 3298 3131 18.03      
11 A" 3146 2986 20.58      
12 A" 1513 1436 4.66      
13 A" 1205 1144 2.95      
14 A" 817 776 2.93      
15 A" 131 124 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 13181.9 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 12513.6 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 B1B95/6-31G*
ABC
3.46320 0.76342 0.70748

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 0.791 0.000
H3 1.010 -1.104 0.000
H4 -0.509 -1.097 0.885
H5 -0.509 -1.097 -0.885
H6 0.073 1.347 -0.926
H7 0.073 1.347 0.926

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48101.10201.09381.09382.23932.2393
C21.48102.15272.14332.14331.08321.0832
H31.10202.15271.75781.75782.78262.7826
H41.09382.14331.75781.77083.09682.5125
H51.09382.14331.75781.77082.51253.0968
H62.23931.08322.78263.09682.51251.8512
H72.23931.08322.78262.51253.09681.8512

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 120.899 C1 C2 H7 120.899
C2 C1 H3 112.070 C2 C1 H4 111.820
C2 C1 H5 111.820 H3 C1 H4 106.356
H3 C1 H5 106.356 H4 C1 H5 108.085
H6 C2 H7 117.407
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 -0.507      
2 C -0.332      
3 H 0.174      
4 H 0.172      
5 H 0.172      
6 H 0.160      
7 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.141 -0.232 0.000 0.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.859 0.189 0.000
y 0.189 -13.857 0.000
z 0.000 0.000 -13.311
Traceless
 xyz
x -1.275 0.189 0.000
y 0.189 0.228 0.000
z 0.000 0.000 1.047
Polar
3z2-r22.094
x2-y2-1.002
xy0.189
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.364 -0.017 0.000
y -0.017 3.660 0.000
z 0.000 0.000 3.193


<r2> (average value of r2) Å2
<r2> 27.445
(<r2>)1/2 5.239