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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B97D3/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B97D3/6-31G**
 hartrees
Energy at 0K-79.785270
Energy at 298.15K-79.791153
HF Energy-79.785270
Nuclear repulsion energy42.018797
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 B97D3/6-31G**
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 2991 2991 0.00 225.57 0.01 0.02
2 A1g 1410 1410 0.00 8.64 0.71 0.83
3 A1g 987 987 0.00 7.94 0.30 0.46
4 A1u 310 310 0.00 0.00 0.00 0.00
5 A2u 2993 2993 68.71 0.00 0.00 0.00
6 A2u 1389 1389 0.02 0.00 0.00 0.00
7 Eg 3052 3052 0.00 137.70 0.75 0.86
7 Eg 3052 3052 0.00 137.70 0.75 0.86
8 Eg 1490 1490 0.00 39.29 0.75 0.86
8 Eg 1490 1490 0.00 39.29 0.75 0.86
9 Eg 1202 1202 0.00 2.57 0.75 0.86
9 Eg 1202 1202 0.00 2.57 0.75 0.86
10 Eu 3077 3077 80.85 0.00 0.00 0.00
10 Eu 3077 3077 80.86 0.00 0.00 0.00
11 Eu 1494 1494 6.35 0.00 0.00 0.00
11 Eu 1494 1494 6.35 0.00 0.00 0.00
12 Eu 815 815 4.85 0.00 0.00 0.00
12 Eu 815 815 4.85 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16168.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16168.6 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 B97D3/6-31G**
ABC
2.66103 0.66106 0.66106

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G**

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 1.024 1.167
H4 -0.886 -0.512 1.167
H5 0.886 -0.512 1.167
H6 0.000 -1.024 -1.167
H7 -0.886 0.512 -1.167
H8 0.886 0.512 -1.167

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53321.09891.09891.09892.18742.18742.1874
C21.53322.18742.18742.18741.09891.09891.0989
H31.09892.18741.77281.77283.10382.54772.5477
H41.09892.18741.77281.77282.54772.54773.1038
H51.09892.18741.77281.77282.54773.10382.5477
H62.18741.09893.10382.54772.54771.77281.7728
H72.18741.09892.54772.54773.10381.77281.7728
H82.18741.09892.54773.10382.54771.77281.7728

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.342 C1 C2 H7 111.342
C1 C2 H8 111.342 C2 C1 H3 111.342
C2 C1 H4 111.342 C2 C1 H5 111.342
H3 C1 H4 107.538 H3 C1 H5 107.538
H4 C1 H5 107.538 H6 C2 H7 107.538
H6 C2 H8 107.538 H7 C2 H8 107.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C -0.334      
3 H 0.111      
4 H 0.111      
5 H 0.111      
6 H 0.111      
7 H 0.111      
8 H 0.111      


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 -14.653 0.000 0.000
y 0.000 -14.653 0.000
z 0.000 0.000 -15.114
Traceless
 xyz
x 0.230 0.000 0.000
y 0.000 0.230 0.000
z 0.000 0.000 -0.461
Polar
3z2-r2-0.921
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 3.443 0.000 0.000
y 0.000 3.443 0.000
z 0.000 0.000 3.721


<r2> (average value of r2) Å2
<r2> 30.751
(<r2>)1/2 5.545