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

using model chemistry: MP4=FULL/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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-78.881536
Energy at 298.15K-78.885424
HF Energy-78.596654
Nuclear repulsion energy36.822165
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 MP4=FULL/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' 3195 3072        
2 A' 3095 2976        
3 A' 3013 2897        
4 A' 1533 1474        
5 A' 1518 1460        
6 A' 1454 1398        
7 A' 1094 1052        
8 A' 1021 981        
9 A' 459 441        
10 A" 3296 3170        
11 A" 3138 3017        
12 A" 1539 1480        
13 A" 1233 1186        
14 A" 831 799        
15 A" 159 153        

Unscaled Zero Point Vibrational Energy (zpe) 13288.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12778.3 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 MP4=FULL/6-31G*
ABC
3.43051 0.75336 0.69911

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -0.697 0.000
C2 -0.013 0.797 0.000
H3 1.011 -1.109 0.000
H4 -0.518 -1.097 0.888
H5 -0.518 -1.097 -0.888
H6 0.093 1.352 -0.927
H7 0.093 1.352 0.927

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49381.10401.09741.09742.25152.2515
C21.49382.16332.15202.15201.08611.0861
H31.10402.16331.76871.76872.78522.7852
H41.09742.15201.76871.77703.10942.5242
H51.09742.15201.76871.77702.52423.1094
H62.25151.08612.78523.10942.52421.8550
H72.25151.08612.78522.52423.10941.8550

picture of Ethyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability