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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CID/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-79.616411
Energy at 298.15K-79.622364
HF Energy-79.257839
Nuclear repulsion energy42.432127
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/6-311+G(3df,2p)
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 3117 2880 0.00      
2 A1g 1479 1366 0.00      
3 A1g 1040 961 0.00      
4 A1u 317 293 0.00      
5 A2u 3113 2876 52.62      
6 A2u 1457 1346 1.11      
7 Eg 3174 2933 0.00      
7 Eg 3174 2933 0.00      
8 Eg 1557 1438 0.00      
8 Eg 1557 1438 0.00      
9 Eg 1262 1166 0.00      
9 Eg 1262 1166 0.00      
10 Eu 3198 2955 60.26      
10 Eu 3198 2955 60.26      
11 Eu 1558 1440 8.77      
11 Eu 1558 1440 8.77      
12 Eu 846 781 2.86      
12 Eu 846 781 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 16854.7 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 15573.7 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 CID/6-311+G(3df,2p)
ABC
2.72000 0.67242 0.67242

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

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 -0.877 -0.506 1.154
H5 0.877 -0.506 1.154
H6 0.000 -1.012 -1.154
H7 -0.877 0.506 -1.154
H8 0.877 0.506 -1.154

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52291.08591.08591.08592.16672.16672.1667
C21.52292.16672.16672.16671.08591.08591.0859
H31.08592.16671.75351.75353.07062.52072.5207
H41.08592.16671.75351.75352.52072.52073.0706
H51.08592.16671.75351.75352.52073.07062.5207
H62.16671.08593.07062.52072.52071.75351.7535
H72.16671.08592.52072.52073.07061.75351.7535
H82.16671.08592.52073.07062.52071.75351.7535

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.205 C1 C2 H7 111.205
C1 C2 H8 111.205 C2 C1 H3 111.205
C2 C1 H4 111.205 C2 C1 H5 111.205
H3 C1 H4 107.683 H3 C1 H5 107.683
H4 C1 H5 107.683 H6 C2 H7 107.683
H6 C2 H8 107.683 H7 C2 H8 107.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability