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

using model chemistry: MP3/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 MP3/TZVP
 hartrees
Energy at 0K-78.937560
Energy at 298.15K-78.941477
HF Energy-78.626103
Nuclear repulsion energy36.988717
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 MP3/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' 3220 3011 14.76      
2 A' 3126 2924 24.09      
3 A' 3049 2851 25.78      
4 A' 1524 1425 0.98      
5 A' 1499 1401 5.16      
6 A' 1443 1349 0.57      
7 A' 1084 1014 0.00      
8 A' 1013 947 0.57      
9 A' 478 447 59.19      
10 A" 3326 3110 14.92      
11 A" 3168 2963 22.94      
12 A" 1519 1421 4.72      
13 A" 1230 1150 1.51      
14 A" 828 775 0.91      
15 A" 161 150 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 13333.2 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 12469.2 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 MP3/TZVP
ABC
3.47008 0.75842 0.70400

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -0.696 0.000
C2 -0.013 0.795 0.000
H3 1.006 -1.100 0.000
H4 -0.515 -1.093 0.883
H5 -0.515 -1.093 -0.883
H6 0.093 1.344 -0.923
H7 0.093 1.344 0.923

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49101.09631.09011.09012.24162.2416
C21.49102.15202.14362.14361.07911.0791
H31.09632.15201.75791.75792.76782.7678
H41.09012.14361.75791.76583.09332.5118
H51.09012.14361.75791.76582.51183.0933
H62.24161.07912.76783.09332.51181.8458
H72.24161.07912.76782.51183.09331.8458

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 120.583 C1 C2 H7 120.583
C2 C1 H3 111.650 C2 C1 H4 111.357
C2 C1 H5 111.357 H3 C1 H4 107.033
H3 C1 H5 107.033 H4 C1 H5 108.184
H6 C2 H7 117.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability