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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP3=FULL/6-311G**

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=FULL/6-311G**
 hartrees
Energy at 0K-79.640499
Energy at 298.15K-79.646452
HF Energy-79.251493
Nuclear repulsion energy42.185290
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=FULL/6-311G**
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 3089 3089 0.00      
2 A1g 1461 1461 0.00      
3 A1g 1036 1036 0.00      
4 A1u 329 329 0.00      
5 A2u 3088 3088 53.42      
6 A2u 1431 1431 0.95      
7 Eg 3152 3152 0.00      
7 Eg 3152 3152 0.00      
8 Eg 1526 1526 0.00      
8 Eg 1526 1526 0.00      
9 Eg 1248 1248 0.00      
9 Eg 1248 1248 0.00      
10 Eu 3174 3174 66.77      
10 Eu 3174 3174 66.77      
11 Eu 1530 1530 8.11      
11 Eu 1530 1530 8.11      
12 Eu 837 837 2.63      
12 Eu 837 837 2.63      

Unscaled Zero Point Vibrational Energy (zpe) 16683.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16683.5 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=FULL/6-311G**
ABC
2.67956 0.66586 0.66586

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G**

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 1.020 1.159
H4 -0.883 -0.510 1.159
H5 0.883 -0.510 1.159
H6 0.000 -1.020 -1.159
H7 -0.883 0.510 -1.159
H8 0.883 0.510 -1.159

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53021.09341.09341.09342.17772.17772.1777
C21.53022.17772.17772.17771.09341.09341.0934
H31.09342.17771.76671.76673.08792.53262.5326
H41.09342.17771.76671.76672.53262.53263.0879
H51.09342.17771.76671.76672.53263.08792.5326
H62.17771.09343.08792.53262.53261.76671.7667
H72.17771.09342.53262.53263.08791.76671.7667
H82.17771.09342.53263.08792.53261.76671.7667

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.118 C1 C2 H7 111.118
C1 C2 H8 111.118 C2 C1 H3 111.118
C2 C1 H4 111.118 C2 C1 H5 111.118
H3 C1 H4 107.775 H3 C1 H5 107.775
H4 C1 H5 107.775 H6 C2 H7 107.775
H6 C2 H8 107.775 H7 C2 H8 107.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability