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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP4/daug-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 MP4/daug-cc-pVDZ
 hartrees
Energy at 0K-79.597960
Energy at 298.15K 
HF Energy-79.236776
Nuclear repulsion energy41.831208
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-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4/daug-cc-pVDZ
ABC
2.62766 0.65603 0.65603

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.770
C2 0.000 0.000 -0.770
H3 0.000 1.030 1.169
H4 -0.892 -0.515 1.169
H5 0.892 -0.515 1.169
H6 0.000 -1.030 -1.169
H7 -0.892 0.515 -1.169
H8 0.892 0.515 -1.169

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.54011.10441.10441.10442.19532.19532.1953
C21.54012.19532.19532.19531.10441.10441.1044
H31.10442.19531.78401.78403.11552.55412.5541
H41.10442.19531.78401.78402.55412.55413.1155
H51.10442.19531.78401.78402.55413.11552.5541
H62.19531.10443.11552.55412.55411.78401.7840
H72.19531.10442.55412.55413.11551.78401.7840
H82.19531.10442.55413.11552.55411.78401.7840

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.154 C1 C2 H7 111.154
C1 C2 H8 111.154 C2 C1 H3 111.154
C2 C1 H4 111.154 C2 C1 H5 111.154
H3 C1 H4 107.737 H3 C1 H5 107.737
H4 C1 H5 107.737 H6 C2 H7 107.737
H6 C2 H8 107.737 H7 C2 H8 107.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability