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

using model chemistry: TPSSh/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-79.171043
Energy at 298.15K-79.174861
HF Energy-79.171043
Nuclear repulsion energy36.859555
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 TPSSh/6-31G**
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' 3159 3028 19.12      
2 A' 3060 2934 31.57      
3 A' 2969 2846 34.88      
4 A' 1508 1446 2.76      
5 A' 1492 1431 2.15      
6 A' 1419 1360 0.26      
7 A' 1069 1025 0.08      
8 A' 983 943 0.51      
9 A' 456 437 49.60      
10 A" 3260 3126 23.48      
11 A" 3107 2979 27.46      
12 A" 1511 1449 3.08      
13 A" 1204 1154 2.31      
14 A" 808 775 2.09      
15 A" 129 123 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 13066.7 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 12527.0 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 TPSSh/6-31G**
ABC
3.44554 0.75482 0.69991

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.695 0.000
C2 -0.012 0.796 0.000
H3 1.012 -1.109 0.000
H4 -0.511 -1.100 0.887
H5 -0.511 -1.100 -0.887
H6 0.075 1.353 -0.928
H7 0.075 1.353 0.928

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49151.10371.09561.09562.25012.2501
C21.49152.16212.15232.15231.08551.0855
H31.10372.16211.76251.76252.79192.7919
H41.09562.15231.76251.77443.10722.5222
H51.09562.15231.76251.77442.52223.1072
H62.25011.08552.79193.10722.52221.8560
H72.25011.08552.79192.52223.10721.8560

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 120.837 C1 C2 H7 120.837
C2 C1 H3 111.980 C2 C1 H4 111.680
C2 C1 H5 111.680 H3 C1 H4 106.526
H3 C1 H5 106.526 H4 C1 H5 108.145
H6 C2 H7 117.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.379      
2 C -0.258      
3 H 0.132      
4 H 0.131      
5 H 0.131      
6 H 0.122      
7 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.131 -0.211 0.000 0.249
CHELPG        
AIM        
ESP        


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 2.444 -0.010 0.000
y -0.010 3.750 0.000
z 0.000 0.000 3.291


<r2> (average value of r2) Å2
<r2> 27.644
(<r2>)1/2 5.258