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

using model chemistry: HSEh1PBE/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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-79.089632
Energy at 298.15K-79.093438
HF Energy-79.089632
Nuclear repulsion energy37.072660
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 HSEh1PBE/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' 3163 3042 13.88      
2 A' 3064 2947 18.76      
3 A' 2976 2862 24.30      
4 A' 1477 1420 2.57      
5 A' 1460 1405 3.75      
6 A' 1391 1338 2.45      
7 A' 1084 1042 0.08      
8 A' 975 938 0.60      
9 A' 491 473 56.21      
10 A" 3263 3138 11.64      
11 A" 3111 2992 16.52      
12 A" 1474 1417 6.22      
13 A" 1190 1144 2.35      
14 A" 808 777 2.08      
15 A" 100 97 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13013.1 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 12516.0 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 HSEh1PBE/aug-cc-pVTZ
ABC
3.47505 0.76580 0.70936

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.689 0.000
C2 -0.009 0.789 0.000
H3 1.012 -1.099 0.000
H4 -0.504 -1.097 0.885
H5 -0.504 -1.097 -0.885
H6 0.054 1.346 -0.925
H7 0.054 1.346 0.925

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.47881.10001.09211.09212.23682.2368
C21.47882.14652.14102.14101.08141.0814
H31.10002.14651.75471.75472.78382.7838
H41.09212.14101.75471.76913.09072.5060
H51.09212.14101.75471.76912.50603.0907
H62.23681.08142.78383.09072.50601.8497
H72.23681.08142.78382.50603.09071.8497

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 120.988 C1 C2 H7 120.988
C2 C1 H3 111.847 C2 C1 H4 111.888
C2 C1 H5 111.888 H3 C1 H4 106.351
H3 C1 H5 106.351 H4 C1 H5 108.185
H6 C2 H7 117.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.516      
2 C -0.783      
3 H 0.219      
4 H 0.214      
5 H 0.214      
6 H 0.326      
7 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.119 -0.292 0.000 0.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.340 0.166 0.000
y 0.166 -14.445 0.000
z 0.000 0.000 -13.625
Traceless
 xyz
x -1.305 0.166 0.000
y 0.166 0.037 0.000
z 0.000 0.000 1.267
Polar
3z2-r22.535
x2-y2-0.895
xy0.166
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.887 -0.065 0.000
y -0.065 4.769 0.000
z 0.000 0.000 3.956


<r2> (average value of r2) Å2
<r2> 27.679
(<r2>)1/2 5.261