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

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-78.693332
Energy at 298.15K-78.697103
HF Energy-78.693332
Nuclear repulsion energy36.860754
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 LSDA/cc-pVDZ
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' 3085 3051 9.13      
2 A' 2986 2953 13.17      
3 A' 2867 2835 17.25      
4 A' 1395 1379 1.43      
5 A' 1362 1347 5.45      
6 A' 1291 1277 6.97      
7 A' 1107 1095 0.48      
8 A' 908 898 1.49      
9 A' 486 480 54.44      
10 A" 3195 3160 5.83      
11 A" 3048 3015 8.55      
12 A" 1372 1356 6.79      
13 A" 1120 1108 3.79      
14 A" 771 763 5.32      
15 A" 114 112 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 12552.6 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 12414.5 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 LSDA/cc-pVDZ
ABC
3.36889 0.76883 0.70933

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.681 0.000
C2 -0.011 0.785 0.000
H3 1.027 -1.107 0.000
H4 -0.503 -1.108 0.901
H5 -0.503 -1.108 -0.901
H6 0.057 1.352 -0.942
H7 0.057 1.352 0.942

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.46611.12251.11131.11132.24202.2420
C21.46612.15832.15302.15301.10141.1014
H31.12252.15831.77591.77592.80652.8065
H41.11132.15301.77591.80123.12402.5234
H51.11132.15301.77591.80122.52343.1240
H62.24201.10142.80653.12402.52341.8830
H72.24201.10142.80652.52343.12401.8830

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 121.010 C1 C2 H7 121.010
C2 C1 H3 112.300 C2 C1 H4 112.569
C2 C1 H5 112.569 H3 C1 H4 105.305
H3 C1 H5 105.305 H4 C1 H5 108.265
H6 C2 H7 117.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185      
2 C -0.197      
3 H 0.086      
4 H 0.079      
5 H 0.079      
6 H 0.069      
7 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.139 -0.376 0.000 0.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.178 0.122 0.000
y 0.122 -14.144 0.000
z 0.000 0.000 -13.533
Traceless
 xyz
x -1.339 0.122 0.000
y 0.122 0.212 0.000
z 0.000 0.000 1.127
Polar
3z2-r22.255
x2-y2-1.034
xy0.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.706 -0.054 0.000
y -0.054 4.262 0.000
z 0.000 0.000 3.498


<r2> (average value of r2) Å2
<r2> 27.705
(<r2>)1/2 5.264