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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/6-311G**
 hartrees
Energy at 0K-79.655164
Energy at 298.15K-79.661100
HF Energy-79.251238
Nuclear repulsion energy42.076531
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(T)=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 3047 3047        
2 A1g 1445 1445        
3 A1g 1020 1020        
4 A1u 326 326        
5 A2u 3044 3044        
6 A2u 1416 1416        
7 Eg 3106 3106        
7 Eg 3106 3106        
8 Eg 1511 1511        
8 Eg 1511 1511        
9 Eg 1235 1235        
9 Eg 1235 1235        
10 Eu 3129 3129        
10 Eu 3129 3129        
11 Eu 1515 1515        
11 Eu 1515 1515        
12 Eu 827 827        
12 Eu 827 827        

Unscaled Zero Point Vibrational Energy (zpe) 16471.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16471.3 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(T)=FULL/6-311G**
ABC
2.66269 0.66278 0.66278

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.767
C2 0.000 0.000 -0.767
H3 0.000 1.023 1.162
H4 -0.886 -0.512 1.162
H5 0.886 -0.512 1.162
H6 0.000 -1.023 -1.162
H7 -0.886 0.512 -1.162
H8 0.886 0.512 -1.162

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53351.09671.09671.09672.18302.18302.1830
C21.53352.18302.18302.18301.09671.09671.0967
H31.09672.18301.77231.77233.09592.53852.5385
H41.09672.18301.77231.77232.53852.53853.0959
H51.09672.18301.77231.77232.53853.09592.5385
H62.18301.09673.09592.53852.53851.77231.7723
H72.18301.09672.53852.53853.09591.77231.7723
H82.18301.09672.53853.09592.53851.77231.7723

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.099 C1 C2 H7 111.099
C1 C2 H8 111.099 C2 C1 H3 111.099
C2 C1 H4 111.099 C2 C1 H5 111.099
H3 C1 H4 107.796 H3 C1 H5 107.796
H4 C1 H5 107.796 H6 C2 H7 107.796
H6 C2 H8 107.796 H7 C2 H8 107.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability