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

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-78.734593
Energy at 298.15K-78.738390
HF Energy-78.734593
Nuclear repulsion energy36.714905
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 TPSSh/3-21G*
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' 3147 3039 17.29      
2 A' 3055 2950 25.33      
3 A' 2962 2860 27.34      
4 A' 1549 1496 6.40      
5 A' 1503 1452 0.65      
6 A' 1457 1407 4.16      
7 A' 1032 996 0.49      
8 A' 1012 977 1.44      
9 A' 449 433 66.35      
10 A" 3250 3139 22.15      
11 A" 3097 2990 21.48      
12 A" 1557 1504 5.43      
13 A" 1227 1185 3.86      
14 A" 835 806 4.45      
15 A" 111 108 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 13121.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 12671.7 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 TPSSh/3-21G*
ABC
3.41727 0.74749 0.69322

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.701 0.000
C2 -0.011 0.801 0.000
H3 1.018 -1.108 0.000
H4 -0.513 -1.101 0.891
H5 -0.513 -1.101 -0.891
H6 0.068 1.354 -0.932
H7 0.068 1.354 0.932

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.50251.10601.09781.09782.25762.2576
C21.50252.16892.15952.15951.08601.0860
H31.10602.16891.77091.77092.79852.7985
H41.09782.15951.77091.78143.11172.5224
H51.09782.15951.77091.78142.52243.1117
H62.25761.08602.79853.11172.52241.8636
H72.25761.08602.79852.52243.11171.8636

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 120.569 C1 C2 H7 120.569
C2 C1 H3 111.595 C2 C1 H4 111.339
C2 C1 H5 111.339 H3 C1 H4 106.943
H3 C1 H5 106.943 H4 C1 H5 108.460
H6 C2 H7 118.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.647      
2 C -0.380      
3 H 0.214      
4 H 0.212      
5 H 0.212      
6 H 0.195      
7 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.209 0.000 0.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.150 -0.013 0.000
y -0.013 3.492 0.000
z 0.000 0.000 3.059


<r2> (average value of r2) Å2
<r2> 27.847
(<r2>)1/2 5.277