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

using model chemistry: MP3=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 MP3=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-78.960415
Energy at 298.15K-78.964281
HF Energy-78.609191
Nuclear repulsion energy37.015032
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(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' 3250 3250 9.42      
2 A' 3164 3164 16.82      
3 A' 3085 3085 17.18      
4 A' 1535 1535 4.35      
5 A' 1510 1510 1.22      
6 A' 1446 1446 0.95      
7 A' 1096 1096 0.04      
8 A' 1014 1014 0.33      
9 A' 450 450 47.69      
10 A" 3358 3358 8.38      
11 A" 3207 3207 14.02      
12 A" 1541 1541 4.02      
13 A" 1229 1229 2.47      
14 A" 827 827 1.80      
15 A" 144 144 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 13427.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13427.3 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(2df,p)
ABC
3.48383 0.75875 0.70436

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.695 0.000
C2 -0.014 0.795 0.000
H3 1.003 -1.100 0.000
H4 -0.513 -1.095 0.881
H5 -0.513 -1.095 -0.881
H6 0.092 1.345 -0.922
H7 0.092 1.345 0.922

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49031.09461.08871.08872.24082.2408
C21.49032.15072.14402.14401.07811.0781
H31.09462.15071.75361.75362.76692.7669
H41.08872.14401.75361.76263.09282.5134
H51.08872.14401.75361.76262.51343.0928
H62.24081.07812.76693.09282.51341.8430
H72.24081.07812.76692.51343.09281.8430

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 120.645 C1 C2 H7 120.645
C2 C1 H3 111.698 C2 C1 H4 111.522
C2 C1 H5 111.522 H3 C1 H4 106.872
H3 C1 H5 106.872 H4 C1 H5 108.100
H6 C2 H7 117.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability