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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP3/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 MP3/aug-cc-pVTZ
 hartrees
Energy at 0K-79.663867
Energy at 298.15K-79.669795
HF Energy-79.260365
Nuclear repulsion energy42.303895
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/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 3075 3075 0.00      
2 A1g 1445 1445 0.00      
3 A1g 1024 1024 0.00      
4 A1u 310 310 0.00      
5 A2u 3075 3075 50.39      
6 A2u 1428 1428 0.90      
7 Eg 3136 3136 0.00      
7 Eg 3136 3136 0.00      
8 Eg 1530 1530 0.00      
8 Eg 1530 1530 0.00      
9 Eg 1239 1239 0.00      
9 Eg 1239 1239 0.00      
10 Eu 3158 3158 54.83      
10 Eu 3158 3158 54.84      
11 Eu 1531 1531 8.28      
11 Eu 1531 1531 8.28      
12 Eu 832 832 2.86      
12 Eu 832 832 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 16603.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16603.4 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 MP3/aug-cc-pVTZ
ABC
2.70159 0.66859 0.66859

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/aug-cc-pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.016 1.157
H4 -0.880 -0.508 1.157
H5 0.880 -0.508 1.157
H6 0.000 -1.016 -1.157
H7 -0.880 0.508 -1.157
H8 0.880 0.508 -1.157

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52741.08941.08941.08942.17292.17292.1729
C21.52742.17292.17292.17291.08941.08941.0894
H31.08942.17291.75951.75953.07952.52742.5274
H41.08942.17291.75951.75952.52742.52743.0795
H51.08942.17291.75951.75952.52743.07952.5274
H62.17291.08943.07952.52742.52741.75951.7595
H72.17291.08942.52742.52743.07951.75951.7595
H82.17291.08942.52743.07952.52741.75951.7595

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.173 C1 C2 H7 111.173
C1 C2 H8 111.173 C2 C1 H3 111.173
C2 C1 H4 111.173 C2 C1 H5 111.173
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