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

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-78.912240
Energy at 298.15K-78.916137
HF Energy-78.607434
Nuclear repulsion energy36.928244
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/6-31+G**
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' 3238 3051 14.81      
2 A' 3148 2966 24.73      
3 A' 3069 2892 27.18      
4 A' 1539 1450 1.52      
5 A' 1523 1435 4.40      
6 A' 1460 1376 0.38      
7 A' 1093 1030 0.02      
8 A' 1022 963 0.56      
9 A' 474 447 66.91      
10 A" 3346 3153 15.75      
11 A" 3191 3007 23.89      
12 A" 1539 1450 4.74      
13 A" 1238 1167 1.43      
14 A" 832 784 1.04      
15 A" 150 141 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 13431.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 12656.2 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/6-31+G**
ABC
3.46666 0.75490 0.70086

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -0.698 0.000
C2 -0.013 0.797 0.000
H3 1.006 -1.103 0.000
H4 -0.515 -1.094 0.883
H5 -0.515 -1.094 -0.883
H6 0.087 1.348 -0.924
H7 0.087 1.348 0.924

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49491.09651.09071.09072.24722.2472
C21.49492.15612.14652.14651.08011.0801
H31.09652.15611.75931.75932.77632.7763
H41.09072.14651.75931.76683.09682.5153
H51.09072.14651.75931.76682.51533.0968
H62.24721.08012.77633.09682.51531.8471
H72.24721.08012.77632.51533.09681.8471

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 120.688 C1 C2 H7 120.688
C2 C1 H3 111.690 C2 C1 H4 111.273
C2 C1 H5 111.273 H3 C1 H4 107.103
H3 C1 H5 107.103 H4 C1 H5 108.182
H6 C2 H7 117.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability