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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CID/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-79.555595
Energy at 298.15K-79.561540
HF Energy-79.237050
Nuclear repulsion energy42.047717
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/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 A1g 3105 3105 0.00      
2 A1g 1454 1454 0.00      
3 A1g 1041 1041 0.00      
4 A1u 322 322 0.00      
5 A2u 3098 3098 57.77      
6 A2u 1421 1421 0.34      
7 Eg 3165 3165 0.00      
7 Eg 3165 3165 0.00      
8 Eg 1522 1522 0.00      
8 Eg 1522 1522 0.00      
9 Eg 1243 1243 0.00      
9 Eg 1243 1243 0.00      
10 Eu 3186 3186 69.11      
10 Eu 3186 3186 69.11      
11 Eu 1524 1524 7.11      
11 Eu 1524 1524 7.11      
12 Eu 833 833 2.22      
12 Eu 833 833 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 16692.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16692.3 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 CID/aug-cc-pVDZ
ABC
2.65595 0.66276 0.66276

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.766
C2 0.000 0.000 -0.766
H3 0.000 1.025 1.163
H4 -0.887 -0.512 1.163
H5 0.887 -0.512 1.163
H6 0.000 -1.025 -1.163
H7 -0.887 0.512 -1.163
H8 0.887 0.512 -1.163

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53241.09851.09851.09852.18402.18402.1840
C21.53242.18402.18402.18401.09851.09851.0985
H31.09852.18401.77451.77453.09912.54082.5408
H41.09852.18401.77451.77452.54082.54083.0991
H51.09852.18401.77451.77452.54083.09912.5408
H62.18401.09853.09912.54082.54081.77451.7745
H72.18401.09852.54082.54083.09911.77451.7745
H82.18401.09852.54083.09912.54081.77451.7745

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.150 C1 C2 H7 111.150
C1 C2 H8 111.150 C2 C1 H3 111.150
C2 C1 H4 111.150 C2 C1 H5 111.150
H3 C1 H4 107.741 H3 C1 H5 107.741
H4 C1 H5 107.741 H6 C2 H7 107.741
H6 C2 H8 107.741 H7 C2 H8 107.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability