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

using model chemistry: mPW1PW91/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-79.168425
Energy at 298.15K-79.172231
HF Energy-79.168425
Nuclear repulsion energy37.085553
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-pVTZ
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' 3167 3035 14.00      
2 A' 3069 2940 19.01      
3 A' 2982 2857 24.37      
4 A' 1482 1420 2.83      
5 A' 1466 1405 3.39      
6 A' 1397 1338 2.21      
7 A' 1082 1037 0.08      
8 A' 979 938 0.60      
9 A' 488 468 56.00      
10 A" 3268 3131 11.96      
11 A" 3115 2984 16.90      
12 A" 1480 1418 6.05      
13 A" 1193 1143 2.32      
14 A" 810 776 2.02      
15 A" 100 96 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13039.0 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 12492.6 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 mPW1PW91/aug-cc-pVTZ
ABC
3.48100 0.76570 0.70941

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.690 0.000
C2 -0.009 0.790 0.000
H3 1.011 -1.098 0.000
H4 -0.504 -1.096 0.884
H5 -0.504 -1.096 -0.884
H6 0.055 1.346 -0.924
H7 0.055 1.346 0.924

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.47941.09881.09101.09102.23642.2364
C21.47942.14602.14022.14021.08041.0804
H31.09882.14601.75341.75342.78222.7822
H41.09102.14021.75341.76733.08902.5051
H51.09102.14021.75341.76732.50513.0890
H62.23641.08042.78223.08902.50511.8481
H72.23641.08042.78222.50513.08901.8481

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 120.977 C1 C2 H7 120.977
C2 C1 H3 111.833 C2 C1 H4 111.855
C2 C1 H5 111.855 H3 C1 H4 106.396
H3 C1 H5 106.396 H4 C1 H5 108.183
H6 C2 H7 117.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.463      
2 C -0.749      
3 H 0.207      
4 H 0.205      
5 H 0.205      
6 H 0.298      
7 H 0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.119 -0.288 0.000 0.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.283 0.168 0.000
y 0.168 -14.396 0.000
z 0.000 0.000 -13.580
Traceless
 xyz
x -1.295 0.168 0.000
y 0.168 0.035 0.000
z 0.000 0.000 1.260
Polar
3z2-r22.520
x2-y2-0.887
xy0.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.860 -0.062 0.000
y -0.062 4.727 0.000
z 0.000 0.000 3.928


<r2> (average value of r2) Å2
<r2> 27.638
(<r2>)1/2 5.257