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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-79.144792
Energy at 298.15K-79.148582
HF Energy-79.144792
Nuclear repulsion energy36.963364
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 B3PW91/6-311G*
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' 3149 3032 19.44      
2 A' 3054 2940 28.97      
3 A' 2966 2855 32.32      
4 A' 1495 1439 6.09      
5 A' 1473 1418 2.18      
6 A' 1409 1357 3.50      
7 A' 1080 1040 0.07      
8 A' 984 948 0.77      
9 A' 461 443 64.34      
10 A" 3250 3129 21.69      
11 A" 3100 2984 25.73      
12 A" 1498 1442 6.90      
13 A" 1196 1152 2.81      
14 A" 816 785 3.16      
15 A" 107 103 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 13019.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 12533.7 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 B3PW91/6-311G*
ABC
3.46447 0.76025 0.70466

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.691 0.000
C2 -0.010 0.792 0.000
H3 1.011 -1.106 0.000
H4 -0.507 -1.101 0.885
H5 -0.507 -1.101 -0.885
H6 0.064 1.351 -0.926
H7 0.064 1.351 0.926

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48371.10251.09471.09472.24412.2441
C21.48372.15592.14822.14821.08421.0842
H31.10252.15591.75771.75772.79202.7920
H41.09472.14821.75771.77023.10162.5182
H51.09472.14821.75771.77022.51823.1016
H62.24411.08422.79203.10162.51821.8520
H72.24411.08422.79202.51823.10161.8520

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 121.041 C1 C2 H7 121.041
C2 C1 H3 112.108 C2 C1 H4 111.967
C2 C1 H5 111.967 H3 C1 H4 106.261
H3 C1 H5 106.261 H4 C1 H5 107.914
H6 C2 H7 117.315
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.673      
2 C -0.444      
3 H 0.228      
4 H 0.227      
5 H 0.227      
6 H 0.218      
7 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.135 -0.240 0.000 0.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.238 0.184 0.000
y 0.184 -14.215 0.000
z 0.000 0.000 -13.488
Traceless
 xyz
x -1.386 0.184 0.000
y 0.184 0.148 0.000
z 0.000 0.000 1.238
Polar
3z2-r22.475
x2-y2-1.023
xy0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.747 -0.031 0.000
y -0.031 3.960 0.000
z 0.000 0.000 3.351


<r2> (average value of r2) Å2
<r2> 27.704
(<r2>)1/2 5.263