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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-79.102446
Energy at 298.15K-79.106275
HF Energy-78.994858
Nuclear repulsion energy37.053543
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 B2PLYP/cc-pVTZ
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' 3175 3046 14.59      
2 A' 3072 2947 22.10      
3 A' 2985 2864 24.61      
4 A' 1498 1437 2.39      
5 A' 1484 1424 3.02      
6 A' 1413 1355 1.54      
7 A' 1073 1030 0.05      
8 A' 990 950 0.47      
9 A' 481 461 51.67      
10 A" 3277 3144 13.26      
11 A" 3117 2990 20.19      
12 A" 1497 1436 4.97      
13 A" 1207 1158 2.13      
14 A" 818 785 1.61      
15 A" 113 109 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 13099.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12568.1 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 B2PLYP/cc-pVTZ
ABC
3.48591 0.76224 0.70668

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.692 0.000
C2 -0.010 0.792 0.000
H3 1.009 -1.100 0.000
H4 -0.505 -1.096 0.883
H5 -0.505 -1.096 -0.883
H6 0.062 1.346 -0.923
H7 0.062 1.346 0.923

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48481.09751.08971.08972.23842.2384
C21.48482.14902.14262.14261.07831.0783
H31.09752.14901.75261.75262.78002.7800
H41.08972.14261.75261.76583.08942.5071
H51.08972.14261.75261.76582.50713.0894
H62.23841.07832.78003.08942.50711.8455
H72.23841.07832.78002.50713.08941.8455

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 120.873 C1 C2 H7 120.873
C2 C1 H3 111.776 C2 C1 H4 111.747
C2 C1 H5 111.747 H3 C1 H4 106.516
H3 C1 H5 106.516 H4 C1 H5 108.236
H6 C2 H7 117.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 C -0.291      
3 H 0.099      
4 H 0.100      
5 H 0.100      
6 H 0.124      
7 H 0.124      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.151 -0.025 0.000
y -0.025 4.264 0.000
z 0.000 0.000 3.623


<r2> (average value of r2) Å2
<r2> 27.712
(<r2>)1/2 5.264