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

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-78.908697
Energy at 298.15K-78.912623
HF Energy-78.626084
Nuclear repulsion energy37.036780
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 MP2/TZVP
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' 3224 3056 14.42      
2 A' 3132 2968 20.46      
3 A' 3046 2888 22.53      
4 A' 1521 1442 0.86      
5 A' 1495 1417 5.80      
6 A' 1433 1358 1.16      
7 A' 1089 1032 0.02      
8 A' 1006 954 0.49      
9 A' 480 455 60.93      
10 A" 3336 3163 12.00      
11 A" 3177 3012 19.21      
12 A" 1514 1435 5.26      
13 A" 1227 1163 1.59      
14 A" 828 785 1.26      
15 A" 166 157 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 13337.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 12643.0 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 MP2/TZVP
ABC
3.47227 0.76149 0.70667

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.694 0.000
C2 -0.014 0.794 0.000
H3 1.005 -1.098 0.000
H4 -0.514 -1.092 0.883
H5 -0.514 -1.092 -0.883
H6 0.097 1.342 -0.923
H7 0.097 1.342 0.923

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48711.09651.08991.08992.23722.2372
C21.48712.14892.14132.14131.07871.0787
H31.09652.14891.75661.75662.76212.7621
H41.08992.14131.75661.76553.09112.5095
H51.08992.14131.75661.76552.50953.0911
H62.23721.07872.76213.09112.50951.8450
H72.23721.07872.76212.50953.09111.8450

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 120.530 C1 C2 H7 120.530
C2 C1 H3 111.664 C2 C1 H4 111.460
C2 C1 H5 111.460 H3 C1 H4 106.916
H3 C1 H5 106.916 H4 C1 H5 108.182
H6 C2 H7 117.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability