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

using model chemistry: MP3=FULL/6-31G

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=FULL/6-31G
 hartrees
Energy at 0K-78.757236
Energy at 298.15K-78.761129
HF Energy-78.567829
Nuclear repulsion energy36.584831
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=FULL/6-31G
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' 3178 3178 16.28      
2 A' 3079 3079 32.89      
3 A' 3008 3008 28.65      
4 A' 1549 1549 5.03      
5 A' 1535 1535 1.19      
6 A' 1488 1488 2.22      
7 A' 1078 1078 0.05      
8 A' 1046 1046 0.33      
9 A' 477 477 55.65      
10 A" 3284 3284 25.09      
11 A" 3117 3117 28.29      
12 A" 1561 1561 4.75      
13 A" 1254 1254 2.28      
14 A" 850 850 2.31      
15 A" 141 141 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 13322.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13322.4 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=FULL/6-31G
ABC
3.41201 0.73975 0.68712

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.705 0.000
C2 -0.011 0.805 0.000
H3 1.014 -1.120 0.000
H4 -0.521 -1.102 0.890
H5 -0.521 -1.102 -0.890
H6 0.081 1.363 -0.931
H7 0.081 1.363 0.931

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.51021.10601.10041.10042.26942.2694
C21.51022.18092.16592.16591.08871.0887
H31.10602.18091.77521.77522.81082.8108
H41.10042.16591.77521.78053.12312.5377
H51.10042.16591.77521.78052.53773.1231
H62.26941.08872.81083.12312.53771.8611
H72.26941.08872.81082.53773.12311.8611

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 120.809 C1 C2 H7 120.809
C2 C1 H3 112.022 C2 C1 H4 111.155
C2 C1 H5 111.155 H3 C1 H4 107.140
H3 C1 H5 107.140 H4 C1 H5 108.009
H6 C2 H7 117.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability