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

using model chemistry: MP2=FULL/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-78.891404
Energy at 298.15K-78.895252
HF Energy-78.606828
Nuclear repulsion energy36.735730
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/aug-cc-pVDZ
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' 3212 3113 13.49      
2 A' 3119 3022 17.91      
3 A' 3030 2937 22.48      
4 A' 1494 1448 0.85      
5 A' 1467 1422 4.98      
6 A' 1388 1346 0.67      
7 A' 1090 1057 0.02      
8 A' 974 944 0.60      
9 A' 467 453 54.73      
10 A" 3327 3225 10.44      
11 A" 3166 3069 17.42      
12 A" 1477 1432 4.90      
13 A" 1195 1158 1.82      
14 A" 809 784 1.24      
15 A" 134 130 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 13175.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 12769.4 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 MP2=FULL/aug-cc-pVDZ
ABC
3.41214 0.75045 0.69579

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.698 0.000
C2 -0.012 0.798 0.000
H3 1.017 -1.106 0.000
H4 -0.514 -1.102 0.892
H5 -0.514 -1.102 -0.892
H6 0.075 1.356 -0.932
H7 0.075 1.356 0.932

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49671.10671.10011.10012.25732.2573
C21.49672.16412.15842.15841.08931.0893
H31.10672.16411.77221.77222.79542.7954
H41.10012.15841.77221.78313.11652.5277
H51.10012.15841.77221.78312.52773.1165
H62.25731.08932.79543.11652.52771.8638
H72.25731.08932.79542.52773.11651.8638

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 120.777 C1 C2 H7 120.777
C2 C1 H3 111.583 C2 C1 H4 111.526
C2 C1 H5 111.526 H3 C1 H4 106.843
H3 C1 H5 106.843 H4 C1 H5 108.271
H6 C2 H7 117.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability