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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CID/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-79.624194
Energy at 298.15K-79.630148
HF Energy-79.260026
Nuclear repulsion energy42.455566
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/cc-pVTZ
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 3119 2890 0.00      
2 A1g 1475 1367 0.00      
3 A1g 1041 965 0.00      
4 A1u 317 294 0.00      
5 A2u 3117 2888 52.70      
6 A2u 1451 1344 1.05      
7 Eg 3177 2943 0.00      
7 Eg 3177 2943 0.00      
8 Eg 1553 1439 0.00      
8 Eg 1553 1439 0.00      
9 Eg 1263 1170 0.00      
9 Eg 1263 1170 0.00      
10 Eu 3200 2965 61.10      
10 Eu 3200 2965 61.11      
11 Eu 1555 1441 8.09      
11 Eu 1555 1441 8.09      
12 Eu 845 783 2.88      
12 Eu 845 783 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 16851.7 cm-1
Scaled (by 0.9265) Zero Point Vibrational Energy (zpe) 15613.1 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/cc-pVTZ
ABC
2.72315 0.67316 0.67316

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

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 1.012 1.154
H4 -0.876 -0.506 1.154
H5 0.876 -0.506 1.154
H6 0.000 -1.012 -1.154
H7 -0.876 0.506 -1.154
H8 0.876 0.506 -1.154

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52201.08531.08531.08532.16562.16562.1656
C21.52202.16562.16562.16561.08531.08531.0853
H31.08532.16561.75251.75253.06902.51942.5194
H41.08532.16561.75251.75252.51942.51943.0690
H51.08532.16561.75251.75252.51943.06902.5194
H62.16561.08533.06902.51942.51941.75251.7525
H72.16561.08532.51942.51943.06901.75251.7525
H82.16561.08532.51943.06902.51941.75251.7525

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.210 C1 C2 H7 111.210
C1 C2 H8 111.210 C2 C1 H3 111.210
C2 C1 H4 111.210 C2 C1 H5 111.210
H3 C1 H4 107.678 H3 C1 H5 107.678
H4 C1 H5 107.678 H6 C2 H7 107.678
H6 C2 H8 107.678 H7 C2 H8 107.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability