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

using model chemistry: mPW1PW91/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-79.169923
Energy at 298.15K-79.173725
HF Energy-79.169923
Nuclear repulsion energy37.085399
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/Def2TZVPP
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' 3170 3170 14.21      
2 A' 3073 3073 19.86      
3 A' 2986 2986 23.74      
4 A' 1483 1483 2.89      
5 A' 1467 1467 3.34      
6 A' 1398 1398 2.58      
7 A' 1084 1084 0.09      
8 A' 979 979 0.54      
9 A' 487 487 56.42      
10 A" 3273 3273 11.97      
11 A" 3119 3119 17.53      
12 A" 1481 1481 5.86      
13 A" 1194 1194 2.44      
14 A" 812 812 2.26      
15 A" 102 102 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13054.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13054.0 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/Def2TZVPP
ABC
3.48068 0.76575 0.70946

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.690 0.000
C2 -0.010 0.790 0.000
H3 1.010 -1.099 0.000
H4 -0.504 -1.096 0.884
H5 -0.504 -1.096 -0.884
H6 0.057 1.346 -0.924
H7 0.057 1.346 0.924

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.47931.09891.09111.09112.23622.2362
C21.47932.14622.14032.14031.08051.0805
H31.09892.14621.75341.75342.78162.7816
H41.09112.14031.75341.76733.08932.5056
H51.09112.14031.75341.76732.50563.0893
H62.23621.08052.78163.08932.50561.8481
H72.23621.08052.78162.50563.08931.8481

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 120.970 C1 C2 H7 120.970
C2 C1 H3 111.854 C2 C1 H4 111.863
C2 C1 H5 111.863 H3 C1 H4 106.385
H3 C1 H5 106.385 H4 C1 H5 108.164
H6 C2 H7 117.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 C -0.232      
3 H 0.086      
4 H 0.083      
5 H 0.083      
6 H 0.092      
7 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.121 -0.275 0.000 0.301
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.203 0.167 0.000
y 0.167 -14.315 0.000
z 0.000 0.000 -13.548
Traceless
 xyz
x -1.272 0.167 0.000
y 0.167 0.061 0.000
z 0.000 0.000 1.211
Polar
3z2-r22.422
x2-y2-0.889
xy0.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.373 -0.052 0.000
y -0.052 4.381 0.000
z 0.000 0.000 3.679


<r2> (average value of r2) Å2
<r2> 27.598
(<r2>)1/2 5.253