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

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-78.988380
Energy at 298.15K-78.992236
HF Energy-78.628112
Nuclear repulsion energy36.982549
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 CCD/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' 3190 2979 12.27      
2 A' 3096 2891 20.88      
3 A' 3020 2820 23.10      
4 A' 1510 1410 1.91      
5 A' 1497 1398 3.42      
6 A' 1424 1330 0.82      
7 A' 1080 1009 0.02      
8 A' 1002 935 0.34      
9 A' 470 439 51.28      
10 A" 3294 3076 11.12      
11 A" 3138 2930 19.09      
12 A" 1510 1410 4.58      
13 A" 1215 1135 1.85      
14 A" 819 764 1.22      
15 A" 130 122 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 13198.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 12323.4 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 CCD/cc-pVTZ
ABC
3.47703 0.75768 0.70301

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.696 0.000
C2 -0.011 0.795 0.000
H3 1.008 -1.100 0.000
H4 -0.510 -1.095 0.883
H5 -0.510 -1.095 -0.883
H6 0.071 1.347 -0.924
H7 0.071 1.347 0.924

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49141.09611.08981.08982.24352.2435
C21.49142.15182.14562.14561.07881.0788
H31.09612.15181.75601.75602.77832.7783
H41.08982.14561.75601.76513.09272.5108
H51.08982.14561.75601.76512.51083.0927
H62.24351.07882.77833.09272.51081.8471
H72.24351.07882.77832.51083.09271.8471

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 120.749 C1 C2 H7 120.749
C2 C1 H3 111.620 C2 C1 H4 111.503
C2 C1 H5 111.503 H3 C1 H4 106.905
H3 C1 H5 106.905 H4 C1 H5 108.158
H6 C2 H7 117.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability