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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CID/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-79.628574
Energy at 298.15K-79.634529
HF Energy-79.260467
Nuclear repulsion energy42.436905
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-pVTZ
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 3114 3114 0.00      
2 A1g 1477 1477 0.00      
3 A1g 1040 1040 0.00      
4 A1u 316 316 0.00      
5 A2u 3113 3113 52.32      
6 A2u 1457 1457 0.92      
7 Eg 3172 3172 0.00      
7 Eg 3172 3172 0.00      
8 Eg 1557 1557 0.00      
8 Eg 1557 1557 0.00      
9 Eg 1265 1265 0.00      
9 Eg 1265 1265 0.00      
10 Eu 3195 3195 59.21      
10 Eu 3195 3195 59.22      
11 Eu 1559 1559 8.33      
11 Eu 1559 1559 8.32      
12 Eu 847 847 2.79      
12 Eu 847 847 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 16852.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16852.4 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 CID/aug-cc-pVTZ
ABC
2.71929 0.67273 0.67273

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.761
C2 0.000 0.000 -0.761
H3 0.000 1.013 1.154
H4 -0.877 -0.506 1.154
H5 0.877 -0.506 1.154
H6 0.000 -1.013 -1.154
H7 -0.877 0.506 -1.154
H8 0.877 0.506 -1.154

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52261.08591.08591.08592.16622.16622.1662
C21.52262.16622.16622.16621.08591.08591.0859
H31.08592.16621.75371.75373.07002.51982.5198
H41.08592.16621.75371.75372.51982.51983.0700
H51.08592.16621.75371.75372.51983.07002.5198
H62.16621.08593.07002.51982.51981.75371.7537
H72.16621.08592.51982.51983.07001.75371.7537
H82.16621.08592.51983.07002.51981.75371.7537

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.185 C1 C2 H7 111.185
C1 C2 H8 111.185 C2 C1 H3 111.185
C2 C1 H4 111.185 C2 C1 H5 111.185
H3 C1 H4 107.705 H3 C1 H5 107.705
H4 C1 H5 107.705 H6 C2 H7 107.705
H6 C2 H8 107.705 H7 C2 H8 107.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability