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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP2=FULL/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP2=FULL/6-311+G(3df,2pd)
 hartrees
Energy at 0K-79.674011
Energy at 298.15K-79.679947
HF Energy-79.258674
Nuclear repulsion energy42.442615
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 MP2=FULL/6-311+G(3df,2pd)
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 3076 3076 0.00      
2 A1g 1433 1433 0.00      
3 A1g 1037 1037 0.00      
4 A1u 324 324 0.00      
5 A2u 3077 3077 46.89      
6 A2u 1416 1416 1.63      
7 Eg 3151 3151 0.00      
7 Eg 3151 3151 0.00      
8 Eg 1525 1525 0.00      
8 Eg 1525 1525 0.00      
9 Eg 1230 1230 0.00      
9 Eg 1230 1230 0.00      
10 Eu 3173 3173 45.02      
10 Eu 3173 3173 45.02      
11 Eu 1524 1524 9.39      
11 Eu 1524 1524 9.39      
12 Eu 832 832 3.37      
12 Eu 832 832 3.37      

Unscaled Zero Point Vibrational Energy (zpe) 16617.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16617.9 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 MP2=FULL/6-311+G(3df,2pd)
ABC
2.71356 0.67430 0.67430

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2pd)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.760
C2 0.000 0.000 -0.760
H3 0.000 1.014 1.154
H4 -0.878 -0.507 1.154
H5 0.878 -0.507 1.154
H6 0.000 -1.014 -1.154
H7 -0.878 0.507 -1.154
H8 0.878 0.507 -1.154

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.51921.08751.08751.08752.16512.16512.1651
C21.51922.16512.16512.16511.08751.08751.0875
H31.08752.16511.75561.75563.07122.52002.5200
H41.08752.16511.75561.75562.52002.52003.0712
H51.08752.16511.75561.75562.52003.07122.5200
H62.16511.08753.07122.52002.52001.75561.7556
H72.16511.08752.52002.52003.07121.75561.7556
H82.16511.08752.52003.07122.52001.75561.7556

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.241 C1 C2 H7 111.241
C1 C2 H8 111.241 C2 C1 H3 111.241
C2 C1 H4 111.241 C2 C1 H5 111.241
H3 C1 H4 107.645 H3 C1 H5 107.645
H4 C1 H5 107.645 H6 C2 H7 107.645
H6 C2 H8 107.645 H7 C2 H8 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability