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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD/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 CCSD/6-311G**
 hartrees
Energy at 0K-79.605828
Energy at 298.15K-79.611774
HF Energy-79.251324
Nuclear repulsion energy42.105643
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1g 3057 3057 0.00      
2 A1g 1457 1457 0.00      
3 A1g 1026 1026 0.00      
4 A1u 326 326 0.00      
5 A2u 3055 3055 55.99      
6 A2u 1428 1428 0.55      
7 Eg 3115 3115 0.00      
7 Eg 3115 3115 0.00      
8 Eg 1522 1522 0.00      
8 Eg 1522 1522 0.00      
9 Eg 1245 1245 0.00      
9 Eg 1245 1245 0.00      
10 Eu 3138 3138 72.09      
10 Eu 3138 3138 72.09      
11 Eu 1527 1527 7.20      
11 Eu 1527 1527 7.20      
12 Eu 833 833 2.25      
12 Eu 833 833 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 16554.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16554.3 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/6-311G**
ABC
2.66771 0.66362 0.66362

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.766
C2 0.000 0.000 -0.766
H3 0.000 1.022 1.161
H4 -0.885 -0.511 1.161
H5 0.885 -0.511 1.161
H6 0.000 -1.022 -1.161
H7 -0.885 0.511 -1.161
H8 0.885 0.511 -1.161

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53261.09581.09581.09582.18162.18162.1816
C21.53262.18162.18162.18161.09581.09581.0958
H31.09582.18161.77061.77063.09372.53692.5369
H41.09582.18161.77061.77062.53692.53693.0937
H51.09582.18161.77061.77062.53693.09372.5369
H62.18161.09583.09372.53692.53691.77061.7706
H72.18161.09582.53692.53693.09371.77061.7706
H82.18161.09582.53693.09372.53691.77061.7706

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.107 C1 C2 H7 111.107
C1 C2 H8 111.107 C2 C1 H3 111.107
C2 C1 H4 111.107 C2 C1 H5 111.107
H3 C1 H4 107.787 H3 C1 H5 107.787
H4 C1 H5 107.787 H6 C2 H7 107.787
H6 C2 H8 107.787 H7 C2 H8 107.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability