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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-79.729102
Energy at 298.15K-79.735029
HF Energy-79.635526
Nuclear repulsion energy42.226520
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 B2PLYP/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 3060 3060 0.00 236.27 0.01 0.02
2 A1g 1456 1456 0.00 3.26 0.67 0.81
3 A1g 1017 1017 0.00 10.52 0.28 0.44
4 A1u 315 315 0.00 0.00 0.00 0.00
5 A2u 3060 3060 65.40 0.00 0.01 0.00
6 A2u 1437 1437 3.09 0.00 0.00 0.00
7 Eg 3113 3113 0.00 147.22 0.75 0.86
7 Eg 3113 3113 0.00 147.22 0.75 0.86
8 Eg 1539 1539 0.00 26.70 0.75 0.86
8 Eg 1539 1539 0.00 26.70 0.75 0.86
9 Eg 1242 1242 0.00 1.10 0.75 0.86
9 Eg 1242 1242 0.00 1.10 0.75 0.86
10 Eu 3138 3138 80.32 0.00 0.00 0.00
10 Eu 3138 3138 80.32 0.00 0.00 0.00
11 Eu 1542 1542 12.21 0.00 0.75 0.86
11 Eu 1542 1542 12.21 0.00 0.75 0.86
12 Eu 836 836 4.27 0.00 0.00 0.00
12 Eu 836 836 4.27 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16582.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16582.4 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 B2PLYP/6-311G*
ABC
2.69552 0.66625 0.66625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.017 1.162
H4 -0.881 -0.508 1.162
H5 0.881 -0.508 1.162
H6 0.000 -1.017 -1.162
H7 -0.881 0.508 -1.162
H8 0.881 0.508 -1.162

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52821.09201.09201.09202.17802.17802.1780
C21.52822.17802.17802.17801.09201.09201.0920
H31.09202.17801.76141.76143.08822.53652.5365
H41.09202.17801.76141.76142.53652.53653.0882
H51.09202.17801.76141.76142.53653.08822.5365
H62.17801.09203.08822.53652.53651.76141.7614
H72.17801.09202.53652.53653.08821.76141.7614
H82.17801.09202.53653.08822.53651.76141.7614

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.363 C1 C2 H7 111.363
C1 C2 H8 111.363 C2 C1 H3 111.363
C2 C1 H4 111.363 C2 C1 H5 111.363
H3 C1 H4 107.515 H3 C1 H5 107.515
H4 C1 H5 107.515 H6 C2 H7 107.515
H6 C2 H8 107.515 H7 C2 H8 107.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.621      
2 C -0.621      
3 H 0.207      
4 H 0.207      
5 H 0.207      
6 H 0.207      
7 H 0.207      
8 H 0.207      


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 -15.063 0.000 0.000
y 0.000 -15.063 0.000
z 0.000 0.000 -15.818
Traceless
 xyz
x 0.378 0.000 0.000
y 0.000 0.378 0.000
z 0.000 0.000 -0.755
Polar
3z2-r2-1.510
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 3.521 0.000 0.000
y 0.000 3.521 0.000
z 0.000 0.000 3.851


<r2> (average value of r2) Å2
<r2> 30.876
(<r2>)1/2 5.557