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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP4/daug-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 MP4/daug-cc-pVTZ
 hartrees
Energy at 0K-79.679981
Energy at 298.15K 
HF Energy-79.260223
Nuclear repulsion energy42.204188
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 MP4/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4/daug-cc-pVTZ
ABC
2.68569 0.66588 0.66588

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/daug-cc-pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.765
C2 0.000 0.000 -0.765
H3 0.000 1.019 1.160
H4 -0.882 -0.509 1.160
H5 0.882 -0.509 1.160
H6 0.000 -1.019 -1.160
H7 -0.882 0.509 -1.160
H8 0.882 0.509 -1.160

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53011.09261.09261.09262.17772.17772.1777
C21.53012.17772.17772.17771.09261.09261.0926
H31.09262.17771.76471.76473.08722.53312.5331
H41.09262.17771.76471.76472.53312.53313.0872
H51.09262.17771.76471.76472.53313.08722.5331
H62.17771.09263.08722.53312.53311.76471.7647
H72.17771.09262.53312.53313.08721.76471.7647
H82.17771.09262.53313.08722.53311.76471.7647

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.170 C1 C2 H7 111.170
C1 C2 H8 111.170 C2 C1 H3 111.170
C2 C1 H4 111.170 C2 C1 H5 111.170
H3 C1 H4 107.721 H3 C1 H5 107.721
H4 C1 H5 107.721 H6 C2 H7 107.721
H6 C2 H8 107.721 H7 C2 H8 107.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability