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All results from a given calculation for C2H6 (Ethane)

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-79.792913
Energy at 298.15K-79.798827
HF Energy-79.792913
Nuclear repulsion energy42.036605
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 wB97X-D/SDD
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 3068 3068 0.00 269.35 0.01 0.02
2 A1g 1461 1461 0.00 2.59 0.63 0.77
3 A1g 1034 1034 0.00 17.26 0.26 0.41
4 A1u 297 297 0.00 0.00 0.00 0.00
5 A2u 3060 3060 79.63 0.00 0.00 0.00
6 A2u 1451 1451 19.18 0.00 0.00 0.00
7 Eg 3146 3146 0.00 112.65 0.75 0.86
7 Eg 3146 3146 0.00 112.67 0.75 0.86
8 Eg 1545 1545 0.00 32.96 0.75 0.86
8 Eg 1545 1545 0.00 32.94 0.75 0.86
9 Eg 1244 1244 0.00 5.78 0.75 0.86
9 Eg 1244 1244 0.00 5.79 0.75 0.86
10 Eu 3172 3172 107.53 0.00 0.00 0.00
10 Eu 3172 3172 107.61 0.00 0.00 0.00
11 Eu 1543 1543 20.11 0.00 0.00 0.00
11 Eu 1543 1543 20.08 0.00 0.00 0.00
12 Eu 853 853 11.14 0.00 0.00 0.00
12 Eu 853 853 11.13 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16688.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16688.6 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 wB97X-D/SDD
ABC
2.66685 0.65976 0.65976

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.770
C2 0.000 0.000 -0.770
H3 0.000 1.022 1.163
H4 -0.885 -0.511 1.163
H5 0.885 -0.511 1.163
H6 0.000 -1.022 -1.163
H7 -0.885 0.511 -1.163
H8 0.885 0.511 -1.163

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53911.09551.09551.09552.18632.18632.1863
C21.53912.18632.18632.18631.09551.09551.0955
H31.09552.18631.77091.77093.09692.54062.5406
H41.09552.18631.77091.77092.54062.54063.0969
H51.09552.18631.77091.77092.54063.09692.5406
H62.18631.09553.09692.54062.54061.77091.7709
H72.18631.09552.54062.54063.09691.77091.7709
H82.18631.09552.54063.09692.54061.77091.7709

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.043 C1 C2 H7 111.043
C1 C2 H8 111.043 C2 C1 H3 111.043
C2 C1 H4 111.043 C2 C1 H5 111.043
H3 C1 H4 107.854 H3 C1 H5 107.854
H4 C1 H5 107.854 H6 C2 H7 107.854
H6 C2 H8 107.854 H7 C2 H8 107.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.597      
2 C -0.597      
3 H 0.199      
4 H 0.199      
5 H 0.199      
6 H 0.199      
7 H 0.199      
8 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.496 0.000 0.000
y 0.000 -14.496 0.000
z 0.000 0.000 -15.025
Traceless
 xyz
x 0.265 0.000 0.000
y 0.000 0.265 0.000
z 0.000 0.000 -0.529
Polar
3z2-r2-1.059
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.209 0.000 0.000
y 0.000 3.209 -0.000
z 0.000 -0.000 3.392


<r2> (average value of r2) Å2
<r2> 30.657
(<r2>)1/2 5.537