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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CID/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-79.399964
Energy at 298.15K-79.405891
HF Energy-79.204367
Nuclear repulsion energy41.631953
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/LANL2DZ
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 3043 2812 0.00      
2 A1g 1477 1364 0.00      
3 A1g 1010 933 0.00      
4 A1u 312 288 0.00      
5 A2u 3028 2798 76.01      
6 A2u 1469 1357 7.81      
7 Eg 3105 2869 0.00      
7 Eg 3105 2869 0.00      
8 Eg 1542 1425 0.00      
8 Eg 1542 1425 0.00      
9 Eg 1260 1165 0.00      
9 Eg 1260 1165 0.00      
10 Eu 3129 2891 108.97      
10 Eu 3129 2891 108.97      
11 Eu 1546 1429 12.04      
11 Eu 1546 1429 12.04      
12 Eu 848 783 6.40      
12 Eu 848 783 6.40      

Unscaled Zero Point Vibrational Energy (zpe) 16599.1 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 15337.6 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/LANL2DZ
ABC
2.62467 0.64529 0.64529

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/LANL2DZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
C2 0.000 0.000 -0.779
H3 0.000 1.031 1.175
H4 -0.893 -0.515 1.175
H5 0.893 -0.515 1.175
H6 0.000 -1.031 -1.175
H7 -0.893 0.515 -1.175
H8 0.893 0.515 -1.175

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.55831.10381.10381.10382.20892.20892.2089
C21.55832.20892.20892.20891.10381.10381.1038
H31.10382.20891.78511.78513.12522.56522.5652
H41.10382.20891.78511.78512.56522.56523.1252
H51.10382.20891.78511.78512.56523.12522.5652
H62.20891.10383.12522.56522.56521.78511.7851
H72.20891.10382.56522.56523.12521.78511.7851
H82.20891.10382.56523.12522.56521.78511.7851

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.988 C1 C2 H7 110.988
C1 C2 H8 110.988 C2 C1 H3 110.988
C2 C1 H4 110.988 C2 C1 H5 110.988
H3 C1 H4 107.913 H3 C1 H5 107.913
H4 C1 H5 107.913 H6 C2 H7 107.913
H6 C2 H8 107.913 H7 C2 H8 107.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability