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

using model chemistry: CCD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-78.920752
Energy at 298.15K-78.924583
HF Energy-78.606562
Nuclear repulsion energy36.590219
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/aug-cc-pVDZ
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' 3176 3063 13.63      
2 A' 3084 2974 22.28      
3 A' 3005 2898 26.03      
4 A' 1490 1437 1.00      
5 A' 1468 1416 4.24      
6 A' 1397 1348 0.21      
7 A' 1076 1038 0.02      
8 A' 981 946 0.52      
9 A' 463 446 52.53      
10 A" 3284 3167 13.63      
11 A" 3126 3015 21.84      
12 A" 1478 1426 4.19      
13 A" 1195 1153 1.66      
14 A" 806 778 0.82      
15 A" 127 122 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 13077.9 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 12613.7 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/aug-cc-pVDZ
ABC
3.38918 0.74369 0.68970

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.702 0.000
C2 -0.011 0.802 0.000
H3 1.021 -1.110 0.000
H4 -0.517 -1.105 0.894
H5 -0.517 -1.105 -0.894
H6 0.072 1.361 -0.935
H7 0.072 1.361 0.935

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.50441.10951.10341.10342.26732.2673
C21.50442.17292.16622.16621.09291.0929
H31.10952.17291.77881.77882.80782.8078
H41.10342.16621.77881.78803.12682.5361
H51.10342.16621.77881.78802.53613.1268
H62.26731.09292.80783.12682.53611.8706
H72.26731.09292.80782.53613.12681.8706

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 120.780 C1 C2 H7 120.780
C2 C1 H3 111.570 C2 C1 H4 111.411
C2 C1 H5 111.411 H3 C1 H4 106.993
H3 C1 H5 106.993 H4 C1 H5 108.232
H6 C2 H7 117.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability