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All results from a given calculation for C2H6 (Ethane)

using model chemistry: M06-2X/CEP-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 M06-2X/CEP-31G*
 hartrees
Energy at 0K-14.872779
Energy at 298.15K-14.878639
HF Energy-14.872779
Nuclear repulsion energy26.335722
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 M06-2X/CEP-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 3099 3099 0.00      
2 A1g 1433 1433 0.00      
3 A1g 1035 1035 0.00      
4 A1u 294 294 0.00      
5 A2u 3098 3098 57.57      
6 A2u 1389 1389 4.46      
7 Eg 3166 3166 0.00      
7 Eg 3166 3166 0.00      
8 Eg 1503 1503 0.00      
8 Eg 1503 1503 0.00      
9 Eg 1202 1202 0.00      
9 Eg 1202 1202 0.00      
10 Eu 3188 3188 84.90      
10 Eu 3187 3187 85.27      
11 Eu 1506 1506 13.76      
11 Eu 1506 1506 13.63      
12 Eu 806 806 7.94      
12 Eu 806 806 7.82      

Unscaled Zero Point Vibrational Energy (zpe) 16544.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16544.0 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 M06-2X/CEP-31G*
ABC
2.64065 0.65463 0.65463

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/CEP-31G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.772
C2 0.000 0.000 -0.772
H3 0.000 1.027 1.169
H4 -0.890 -0.514 1.169
H5 0.890 -0.514 1.169
H6 0.000 -1.027 -1.169
H7 -0.890 0.514 -1.169
H8 0.890 0.514 -1.169

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.54371.10151.10151.10152.19592.19592.1959
C21.54372.19592.19592.19591.10151.10151.1015
H31.10152.19591.77971.77973.11252.55352.5535
H41.10152.19591.77971.77972.55352.55353.1125
H51.10152.19591.77971.77972.55353.11252.5535
H62.19591.10153.11252.55352.55351.77971.7797
H72.19591.10152.55352.55353.11251.77971.7797
H82.19591.10152.55353.11252.55351.77971.7797

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.125 C1 C2 H7 111.125
C1 C2 H8 111.125 C2 C1 H3 111.125
C2 C1 H4 111.125 C2 C1 H5 111.125
H3 C1 H4 107.768 H3 C1 H5 107.768
H4 C1 H5 107.768 H6 C2 H7 107.768
H6 C2 H8 107.768 H7 C2 H8 107.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 C -0.402      
3 H 0.134      
4 H 0.134      
5 H 0.134      
6 H 0.134      
7 H 0.134      
8 H 0.134      


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 -14.403 0.000 0.000
y 0.000 -14.403 0.000
z 0.000 0.000 -15.281
Traceless
 xyz
x 0.439 0.000 0.000
y 0.000 0.439 0.000
z 0.000 0.000 -0.878
Polar
3z2-r2-1.755
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 3.076 0.000 0.000
y 0.000 3.068 -0.003
z 0.000 -0.003 3.610


<r2> (average value of r2) Å2
<r2> 28.476
(<r2>)1/2 5.336