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

using model chemistry: MP2=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-78.929389
Energy at 298.15K-78.933261
HF Energy-78.609143
Nuclear repulsion energy37.072636
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=FULL/6-31G(2df,p)
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' 3255 3060 9.21      
2 A' 3168 2978 14.26      
3 A' 3081 2896 15.08      
4 A' 1530 1438 4.40      
5 A' 1508 1417 1.36      
6 A' 1436 1349 1.42      
7 A' 1104 1037 0.07      
8 A' 1006 946 0.46      
9 A' 448 421 48.14      
10 A" 3369 3167 6.83      
11 A" 3215 3021 11.57      
12 A" 1536 1443 4.23      
13 A" 1225 1151 2.53      
14 A" 826 776 2.17      
15 A" 151 142 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 13427.9 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 12620.9 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=FULL/6-31G(2df,p)
ABC
3.48669 0.76249 0.70760

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.693 0.000
C2 -0.014 0.793 0.000
H3 1.003 -1.098 0.000
H4 -0.512 -1.094 0.881
H5 -0.512 -1.094 -0.881
H6 0.094 1.342 -0.921
H7 0.094 1.342 0.921

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48551.09501.08871.08872.23592.2359
C21.48552.14732.14112.14111.07761.0776
H31.09502.14731.75251.75252.76202.7620
H41.08872.14111.75251.76253.09002.5103
H51.08872.14111.75251.76252.51033.0900
H62.23591.07762.76203.09002.51031.8418
H72.23591.07762.76202.51033.09001.8418

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 120.631 C1 C2 H7 120.631
C2 C1 H3 111.739 C2 C1 H4 111.627
C2 C1 H5 111.627 H3 C1 H4 106.745
H3 C1 H5 106.745 H4 C1 H5 108.083
H6 C2 H7 117.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability