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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CID/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at CID/6-31G**
 hartrees
Energy at 0K-79.548625
Energy at 298.15K-79.554602
HF Energy-79.238225
Nuclear repulsion energy42.406484
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 CID/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 A1g 3162 2921 0.00      
2 A1g 1515 1399 0.00      
3 A1g 1055 975 0.00      
4 A1u 331 306 0.00      
5 A2u 3159 2919 53.44      
6 A2u 1483 1371 0.22      
7 Eg 3230 2984 0.00      
7 Eg 3230 2984 0.00      
8 Eg 1583 1462 0.00      
8 Eg 1583 1462 0.00      
9 Eg 1287 1190 0.00      
9 Eg 1287 1190 0.00      
10 Eu 3251 3004 70.22      
10 Eu 3251 3004 70.22      
11 Eu 1588 1468 5.87      
11 Eu 1588 1468 5.87      
12 Eu 856 791 2.71      
12 Eu 856 791 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 17147.7 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 15844.5 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 CID/6-31G**
ABC
2.71476 0.67182 0.67182

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.762
C2 0.000 0.000 -0.762
H3 0.000 1.013 1.154
H4 -0.878 -0.507 1.154
H5 0.878 -0.507 1.154
H6 0.000 -1.013 -1.154
H7 -0.878 0.507 -1.154
H8 0.878 0.507 -1.154

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52371.08671.08671.08672.16762.16762.1676
C21.52372.16762.16762.16761.08671.08671.0867
H31.08672.16761.75521.75523.07212.52132.5213
H41.08672.16761.75521.75522.52132.52133.0721
H51.08672.16761.75521.75522.52133.07212.5213
H62.16761.08673.07212.52132.52131.75521.7552
H72.16761.08672.52132.52133.07211.75521.7552
H82.16761.08672.52133.07212.52131.75521.7552

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.172 C1 C2 H7 111.172
C1 C2 H8 111.172 C2 C1 H3 111.172
C2 C1 H4 111.172 C2 C1 H5 111.172
H3 C1 H4 107.718 H3 C1 H5 107.718
H4 C1 H5 107.718 H6 C2 H7 107.718
H6 C2 H8 107.718 H7 C2 H8 107.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability