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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-79.132737
Energy at 298.15K-79.136539
HF Energy-79.132737
Nuclear repulsion energy36.810432
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 B3PW91/cc-pVDZ
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' 3154 3043 13.64      
2 A' 3066 2958 21.91      
3 A' 2971 2867 26.04      
4 A' 1456 1405 2.11      
5 A' 1436 1385 3.61      
6 A' 1370 1322 1.40      
7 A' 1088 1049 0.17      
8 A' 962 928 0.67      
9 A' 465 448 46.38      
10 A" 3264 3149 11.98      
11 A" 3117 3008 17.12      
12 A" 1449 1399 4.89      
13 A" 1174 1133 2.69      
14 A" 802 773 3.01      
15 A" 118 114 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12944.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12491.8 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 B3PW91/cc-pVDZ
ABC
3.40891 0.75763 0.70141

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.692 0.000
C2 -0.012 0.793 0.000
H3 1.019 -1.107 0.000
H4 -0.510 -1.105 0.892
H5 -0.510 -1.105 -0.892
H6 0.071 1.354 -0.934
H7 0.071 1.354 0.934

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48481.11071.10251.10252.25052.2505
C21.48482.16122.15572.15571.09281.0928
H31.11072.16121.77001.77002.79772.7977
H41.10252.15571.77001.78483.11772.5269
H51.10252.15571.77001.78482.52693.1177
H62.25051.09282.79773.11772.52691.8684
H72.25051.09282.79772.52693.11771.8684

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 120.889 C1 C2 H7 120.889
C2 C1 H3 111.944 C2 C1 H4 112.007
C2 C1 H5 112.007 H3 C1 H4 106.218
H3 C1 H5 106.218 H4 C1 H5 108.085
H6 C2 H7 117.485
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 C -0.158      
3 H 0.058      
4 H 0.053      
5 H 0.053      
6 H 0.052      
7 H 0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.131 -0.266 0.000 0.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.950 0.163 0.000
y 0.163 -14.097 0.000
z 0.000 0.000 -13.445
Traceless
 xyz
x -1.179 0.163 0.000
y 0.163 0.100 0.000
z 0.000 0.000 1.079
Polar
3z2-r22.158
x2-y2-0.853
xy0.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.626 -0.013 0.000
y -0.013 3.966 0.000
z 0.000 0.000 3.371


<r2> (average value of r2) Å2
<r2> 27.733
(<r2>)1/2 5.266