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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCD/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at CCD/cc-pCVTZ
 hartrees
Energy at 0K-79.661181
Energy at 298.15K-79.667112
HF Energy-79.260289
Nuclear repulsion energy42.314628
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 CCD/cc-pCVTZ
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 3065 3065 0.00      
2 A1g 1446 1446 0.00      
3 A1g 1025 1025 0.00      
4 A1u 310 310 0.00      
5 A2u 3064 3064 50.64      
6 A2u 1424 1424 1.02      
7 Eg 3126 3126 0.00      
7 Eg 3126 3126 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 3149 3149 58.33      
10 Eu 3149 3149 58.33      
11 Eu 1527 1527 7.83      
11 Eu 1527 1527 7.83      
12 Eu 830 830 2.81      
12 Eu 830 830 2.81      

Unscaled Zero Point Vibrational Energy (zpe) 16562.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16562.4 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 CCD/cc-pCVTZ
ABC
2.70192 0.66928 0.66928

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.763
C2 0.000 0.000 -0.763
H3 0.000 1.016 1.157
H4 -0.880 -0.508 1.157
H5 0.880 -0.508 1.157
H6 0.000 -1.016 -1.157
H7 -0.880 0.508 -1.157
H8 0.880 0.508 -1.157

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52591.08961.08961.08962.17232.17232.1723
C21.52592.17232.17232.17231.08961.08961.0896
H31.08962.17231.75941.75943.07962.52752.5275
H41.08962.17231.75941.75942.52752.52753.0796
H51.08962.17231.75941.75942.52753.07962.5275
H62.17231.08963.07962.52752.52751.75941.7594
H72.17231.08962.52752.52753.07961.75941.7594
H82.17231.08962.52753.07962.52751.75941.7594

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.213 C1 C2 H7 111.213
C1 C2 H8 111.213 C2 C1 H3 111.213
C2 C1 H4 111.213 C2 C1 H5 111.213
H3 C1 H4 107.674 H3 C1 H5 107.674
H4 C1 H5 107.674 H6 C2 H7 107.674
H6 C2 H8 107.674 H7 C2 H8 107.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability