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

using model chemistry: CCD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-78.989802
Energy at 298.15K-78.993652
HF Energy-78.630325
Nuclear repulsion energy36.986389
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/Def2TZVPP
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' 3194 3194 11.74      
2 A' 3099 3099 19.69      
3 A' 3023 3023 22.46      
4 A' 1513 1513 1.61      
5 A' 1497 1497 4.02      
6 A' 1426 1426 0.87      
7 A' 1080 1080 0.01      
8 A' 1000 1000 0.43      
9 A' 474 474 55.45      
10 A" 3298 3298 10.41      
11 A" 3140 3140 18.53      
12 A" 1509 1509 4.86      
13 A" 1216 1216 1.78      
14 A" 820 820 1.20      
15 A" 129 129 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 13208.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13208.5 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/Def2TZVPP
ABC
3.47679 0.75788 0.70315

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

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 1.009 -1.099 0.000
H4 -0.510 -1.095 0.883
H5 -0.510 -1.095 -0.883
H6 0.069 1.347 -0.923
H7 0.069 1.347 0.923

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49141.09591.08971.08972.24342.2434
C21.49142.15102.14502.14501.07861.0786
H31.09592.15101.75621.75622.77802.7780
H41.08972.14501.75621.76583.09192.5097
H51.08972.14501.75621.76582.50973.0919
H62.24341.07862.77803.09192.50971.8468
H72.24341.07862.77802.50973.09191.8468

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 120.759 C1 C2 H7 120.759
C2 C1 H3 111.566 C2 C1 H4 111.460
C2 C1 H5 111.460 H3 C1 H4 106.939
H3 C1 H5 106.939 H4 C1 H5 108.241
H6 C2 H7 117.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability