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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-14.253826
Energy at 298.15K-14.257511
HF Energy-14.253826
Nuclear repulsion energy22.392800
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 B3LYP/CEP-121G*
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' 3118 3023 23.08      
2 A' 3032 2939 37.89      
3 A' 2946 2856 40.85      
4 A' 1492 1447 6.02      
5 A' 1469 1424 1.71      
6 A' 1406 1363 0.57      
7 A' 1041 1009 0.02      
8 A' 974 944 0.50      
9 A' 443 429 65.49      
10 A" 3223 3124 31.02      
11 A" 3076 2982 34.24      
12 A" 1498 1452 5.05      
13 A" 1186 1150 1.99      
14 A" 801 777 1.84      
15 A" 66 64 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 12884.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 12490.3 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 B3LYP/CEP-121G*
ABC
3.42718 0.74340 0.68972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.702 0.000
C2 -0.011 0.803 0.000
H3 1.016 -1.114 0.000
H4 -0.512 -1.107 0.890
H5 -0.512 -1.107 -0.890
H6 0.067 1.362 -0.931
H7 0.067 1.362 0.931

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.50491.10601.09831.09832.26572.2657
C21.50492.17432.16572.16571.08881.0888
H31.10602.17431.76751.76752.81032.8103
H41.09832.16571.76751.77913.12182.5364
H51.09832.16571.76751.77912.53643.1218
H62.26571.08882.81033.12182.53641.8619
H72.26571.08882.81032.53643.12181.8619

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 120.907 C1 C2 H7 120.907
C2 C1 H3 111.865 C2 C1 H4 111.644
C2 C1 H5 111.644 H3 C1 H4 106.615
H3 C1 H5 106.615 H4 C1 H5 108.171
H6 C2 H7 117.529
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.471      
2 C -0.354      
3 H 0.169      
4 H 0.168      
5 H 0.168      
6 H 0.160      
7 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.253 0.000 0.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.403 0.211 0.000
y 0.211 -14.399 0.000
z 0.000 0.000 -13.638
Traceless
 xyz
x -1.385 0.211 0.000
y 0.211 0.122 0.000
z 0.000 0.000 1.263
Polar
3z2-r22.526
x2-y2-1.005
xy0.211
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.963 -0.033 0.000
y -0.033 4.139 0.000
z 0.000 0.000 3.573


<r2> (average value of r2) Å2
<r2> 25.878
(<r2>)1/2 5.087