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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD=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 CCSD=FULL/6-311+G(3df,2pd)
 hartrees
Energy at 0K-79.706812
Energy at 298.15K-79.712743
HF Energy-79.258612
Nuclear repulsion energy42.355270
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 CCSD=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 3054 3054 0.00      
2 A1g 1447 1447 0.00      
3 A1g 1031 1031 0.00      
4 A1u 318 318 0.00      
5 A2u 3051 3051 51.14      
6 A2u 1427 1427 1.09      
7 Eg 3111 3111 0.00      
7 Eg 3111 3111 0.00      
8 Eg 1526 1526 0.00      
8 Eg 1526 1526 0.00      
9 Eg 1238 1238 0.00      
9 Eg 1238 1238 0.00      
10 Eu 3134 3134 58.25      
10 Eu 3134 3134 58.25      
11 Eu 1527 1527 8.25      
11 Eu 1527 1527 8.25      
12 Eu 833 833 2.74      
12 Eu 833 833 2.74      

Unscaled Zero Point Vibrational Energy (zpe) 16531.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16531.7 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 CCSD=FULL/6-311+G(3df,2pd)
ABC
2.70267 0.67138 0.67138

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.761
C2 0.000 0.000 -0.761
H3 0.000 1.016 1.156
H4 -0.880 -0.508 1.156
H5 0.880 -0.508 1.156
H6 0.000 -1.016 -1.156
H7 -0.880 0.508 -1.156
H8 0.880 0.508 -1.156

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52281.08951.08951.08952.16952.16952.1695
C21.52282.16952.16952.16951.08951.08951.0895
H31.08952.16951.75911.75913.07712.52472.5247
H41.08952.16951.75911.75912.52472.52473.0771
H51.08952.16951.75911.75912.52473.07712.5247
H62.16951.08953.07712.52472.52471.75911.7591
H72.16951.08952.52472.52473.07711.75911.7591
H82.16951.08952.52473.07712.52471.75911.7591

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.217 C1 C2 H7 111.217
C1 C2 H8 111.217 C2 C1 H3 111.217
C2 C1 H4 111.217 C2 C1 H5 111.217
H3 C1 H4 107.671 H3 C1 H5 107.671
H4 C1 H5 107.671 H6 C2 H7 107.671
H6 C2 H8 107.671 H7 C2 H8 107.671
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability