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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-78.666216
Energy at 298.15K-78.670038
HF Energy-78.666216
Nuclear repulsion energy36.925781
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 B1B95/3-21G
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' 3185 3047 13.44      
2 A' 3094 2960 19.46      
3 A' 2997 2867 19.75      
4 A' 1547 1480 8.27      
5 A' 1505 1440 0.30      
6 A' 1459 1396 7.88      
7 A' 1059 1014 0.31      
8 A' 1018 974 2.51      
9 A' 463 443 73.15      
10 A" 3293 3150 15.61      
11 A" 3140 3004 15.61      
12 A" 1554 1487 7.12      
13 A" 1229 1176 4.63      
14 A" 846 810 5.64      
15 A" 110 106 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 13249.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12675.5 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 B1B95/3-21G
ABC
3.44778 0.75803 0.70255

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.695 0.000
C2 -0.010 0.795 0.000
H3 1.014 -1.102 0.000
H4 -0.509 -1.096 0.887
H5 -0.509 -1.096 -0.887
H6 0.061 1.347 -0.928
H7 0.061 1.347 0.928

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49001.10221.09381.09382.24412.2441
C21.49002.15572.14762.14761.08221.0822
H31.10222.15571.76251.76252.78672.7867
H41.09382.14761.76251.77423.09652.5089
H51.09382.14761.76251.77422.50893.0965
H62.24411.08222.78673.09652.50891.8564
H72.24411.08222.78672.50893.09651.8564

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 120.660 C1 C2 H7 120.660
C2 C1 H3 111.655 C2 C1 H4 111.513
C2 C1 H5 111.513 H3 C1 H4 106.758
H3 C1 H5 106.758 H4 C1 H5 108.392
H6 C2 H7 118.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.668      
2 C -0.390      
3 H 0.221      
4 H 0.219      
5 H 0.219      
6 H 0.199      
7 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.234 0.000 0.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.039 0.173 0.000
y 0.173 -13.771 0.000
z 0.000 0.000 -13.368
Traceless
 xyz
x -1.469 0.173 0.000
y 0.173 0.432 0.000
z 0.000 0.000 1.037
Polar
3z2-r22.074
x2-y2-1.267
xy0.173
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.121 -0.021 0.000
y -0.021 3.445 0.000
z 0.000 0.000 3.011


<r2> (average value of r2) Å2
<r2> 27.569
(<r2>)1/2 5.251