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

using model chemistry: HSEh1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-79.087467
Energy at 298.15K-79.091277
HF Energy-79.087467
Nuclear repulsion energy37.042395
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/TZVP
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 3041 14.96      
2 A' 3071 2948 21.47      
3 A' 2981 2862 24.81      
4 A' 1482 1423 4.05      
5 A' 1465 1406 4.12      
6 A' 1398 1342 3.52      
7 A' 1084 1041 0.10      
8 A' 979 940 0.56      
9 A' 491 471 68.34      
10 A" 3270 3140 12.82      
11 A" 3118 2993 18.81      
12 A" 1480 1421 6.72      
13 A" 1192 1144 2.33      
14 A" 815 782 2.88      
15 A" 102 98 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 13047.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 12526.5 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 HSEh1PBE/TZVP
ABC
3.46780 0.76474 0.70841

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

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 1.012 -1.100 0.000
H4 -0.505 -1.097 0.885
H5 -0.505 -1.097 -0.885
H6 0.056 1.347 -0.926
H7 0.056 1.347 0.926

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.47971.10111.09321.09322.23842.2384
C21.47972.14852.14252.14251.08261.0826
H31.10112.14851.75671.75672.78582.7858
H41.09322.14251.75671.77023.09342.5082
H51.09322.14251.75671.77022.50823.0934
H62.23841.08262.78583.09342.50821.8518
H72.23841.08262.78582.50823.09341.8518

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 120.976 C1 C2 H7 120.976
C2 C1 H3 111.881 C2 C1 H4 111.880
C2 C1 H5 111.880 H3 C1 H4 106.372
H3 C1 H5 106.372 H4 C1 H5 108.123
H6 C2 H7 117.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 C -0.292      
3 H 0.130      
4 H 0.125      
5 H 0.125      
6 H 0.128      
7 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 -0.283 0.000 0.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.345 0.179 0.000
y 0.179 -14.353 0.000
z 0.000 0.000 -13.579
Traceless
 xyz
x -1.379 0.179 0.000
y 0.179 0.109 0.000
z 0.000 0.000 1.270
Polar
3z2-r22.540
x2-y2-0.992
xy0.179
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.177 -0.065 0.000
y -0.065 4.180 0.000
z 0.000 0.000 3.556


<r2> (average value of r2) Å2
<r2> 27.680
(<r2>)1/2 5.261