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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-79.145829
Energy at 298.15K-79.149633
HF Energy-79.145829
Nuclear repulsion energy36.894118
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3175 3043 15.14      
2 A' 3082 2953 20.86      
3 A' 2990 2866 26.67      
4 A' 1470 1409 0.63      
5 A' 1444 1384 5.40      
6 A' 1372 1314 2.05      
7 A' 1091 1046 0.06      
8 A' 961 921 0.58      
9 A' 496 475 56.53      
10 A" 3285 3148 13.69      
11 A" 3132 3002 18.95      
12 A" 1454 1393 5.77      
13 A" 1181 1132 2.34      
14 A" 806 772 1.96      
15 A" 100 96 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13019.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 12476.5 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 mPW1PW91/aug-cc-pVDZ
ABC
3.43269 0.75960 0.70341

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.692 0.000
C2 -0.009 0.792 0.000
H3 1.017 -1.104 0.000
H4 -0.508 -1.100 0.890
H5 -0.508 -1.100 -0.890
H6 0.055 1.353 -0.931
H7 0.055 1.353 0.931

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48441.10601.09821.09822.24772.2477
C21.48442.15592.14932.14931.08831.0883
H31.10602.15591.76551.76552.79752.7975
H41.09822.14931.76551.77973.10572.5165
H51.09822.14931.76551.77972.51653.1057
H62.24771.08832.79753.10572.51651.8613
H72.24771.08832.79752.51653.10571.8613

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 121.002 C1 C2 H7 121.002
C2 C1 H3 111.838 C2 C1 H4 111.780
C2 C1 H5 111.780 H3 C1 H4 106.444
H3 C1 H5 106.444 H4 C1 H5 108.242
H6 C2 H7 117.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.381      
2 C 0.511      
3 H -0.065      
4 H -0.122      
5 H -0.122      
6 H -0.292      
7 H -0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.119 -0.290 0.000 0.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.356 0.178 0.000
y 0.178 -14.459 0.000
z 0.000 0.000 -13.622
Traceless
 xyz
x -1.315 0.178 0.000
y 0.178 0.030 0.000
z 0.000 0.000 1.286
Polar
3z2-r22.572
x2-y2-0.897
xy0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.874 -0.065 0.000
y -0.065 4.746 0.000
z 0.000 0.000 3.935


<r2> (average value of r2) Å2
<r2> 27.854
(<r2>)1/2 5.278