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All results from a given calculation for C2H6 (Ethane)

using model chemistry: wB97X-D/6-31G

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/6-31G
 hartrees
Energy at 0K-79.784692
Energy at 298.15K-79.790629
HF Energy-79.784692
Nuclear repulsion energy42.124135
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/6-31G
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 3064 3064 0.00 218.34 0.01 0.03
2 A1g 1476 1476 0.00 7.81 0.74 0.85
3 A1g 1032 1032 0.00 10.05 0.29 0.45
4 A1u 302 302 0.00 0.00 0.00 0.00
5 A2u 3060 3060 62.05 0.00 0.00 0.00
6 A2u 1471 1471 7.99 0.00 0.00 0.00
7 Eg 3131 3131 0.00 137.03 0.75 0.86
7 Eg 3131 3131 0.00 137.05 0.75 0.86
8 Eg 1556 1556 0.00 46.50 0.75 0.86
8 Eg 1556 1556 0.00 46.48 0.75 0.86
9 Eg 1260 1260 0.00 4.24 0.75 0.86
9 Eg 1260 1260 0.00 4.24 0.75 0.86
10 Eu 3157 3157 75.07 0.00 0.00 0.00
10 Eu 3157 3157 75.13 0.00 0.00 0.00
11 Eu 1558 1558 14.49 0.00 0.00 0.00
11 Eu 1558 1558 14.47 0.00 0.00 0.00
12 Eu 866 866 8.00 0.00 0.00 0.00
12 Eu 866 866 7.99 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16731.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16731.1 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/6-31G
ABC
2.67253 0.66403 0.66403

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

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 1.021 1.161
H4 -0.885 -0.511 1.161
H5 0.885 -0.511 1.161
H6 0.000 -1.021 -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
C11.53171.09531.09531.09532.18122.18122.1812
C21.53172.18122.18122.18121.09531.09531.0953
H31.09532.18121.76901.76903.09332.53752.5375
H41.09532.18121.76901.76902.53752.53753.0933
H51.09532.18121.76901.76902.53753.09332.5375
H62.18121.09533.09332.53752.53751.76901.7690
H72.18121.09532.53752.53753.09331.76901.7690
H82.18121.09532.53753.09332.53751.76901.7690

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.174 C1 C2 H7 111.174
C1 C2 H8 111.174 C2 C1 H3 111.174
C2 C1 H4 111.174 C2 C1 H5 111.174
H3 C1 H4 107.716 H3 C1 H5 107.716
H4 C1 H5 107.716 H6 C2 H7 107.716
H6 C2 H8 107.716 H7 C2 H8 107.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.466      
2 C -0.466      
3 H 0.155      
4 H 0.155      
5 H 0.155      
6 H 0.155      
7 H 0.155      
8 H 0.155      


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 -14.696 0.000 0.000
y 0.000 -14.696 0.000
z 0.000 0.000 -15.116
Traceless
 xyz
x 0.210 0.000 0.000
y 0.000 0.210 0.000
z 0.000 0.000 -0.420
Polar
3z2-r2-0.841
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 3.318 0.000 0.000
y 0.000 3.318 0.000
z 0.000 0.000 3.456


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