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All results from a given calculation for C2H6 (Ethane)

using model chemistry: PBE1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-79.752054
Energy at 298.15K-79.757956
HF Energy-79.752054
Nuclear repulsion energy42.339668
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 PBE1PBE/Def2TZVPP
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 3048 3048 0.00 301.83 0.00 0.01
2 A1g 1419 1419 0.00 0.77 0.75 0.85
3 A1g 1025 1025 0.00 10.78 0.20 0.34
4 A1u 308 308 0.00 0.00 0.00 0.00
5 A2u 3049 3049 55.49 0.00 0.00 0.00
6 A2u 1400 1400 2.21 0.00 0.00 0.00
7 Eg 3105 3105 0.00 130.10 0.75 0.86
7 Eg 3105 3105 0.00 130.10 0.75 0.86
8 Eg 1497 1497 0.00 17.46 0.75 0.86
8 Eg 1497 1497 0.00 17.46 0.75 0.86
9 Eg 1216 1216 0.00 0.25 0.75 0.86
9 Eg 1216 1216 0.00 0.25 0.75 0.86
10 Eu 3130 3130 55.46 0.00 0.00 0.00
10 Eu 3130 3130 55.46 0.00 0.00 0.00
11 Eu 1498 1498 10.64 0.00 0.00 0.00
11 Eu 1498 1498 10.64 0.00 0.00 0.00
12 Eu 821 821 4.80 0.00 0.00 0.00
12 Eu 821 821 4.80 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16391.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16391.9 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 PBE1PBE/Def2TZVPP
ABC
2.69788 0.67221 0.67221

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.759
C2 0.000 0.000 -0.759
H3 0.000 1.017 1.158
H4 -0.880 -0.508 1.158
H5 0.880 -0.508 1.158
H6 0.000 -1.017 -1.158
H7 -0.880 0.508 -1.158
H8 0.880 0.508 -1.158

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.51891.09191.09191.09192.17042.17042.1704
C21.51892.17042.17042.17041.09191.09191.0919
H31.09192.17041.76071.76073.08202.52962.5296
H41.09192.17041.76071.76072.52962.52963.0820
H51.09192.17041.76071.76072.52963.08202.5296
H62.17041.09193.08202.52962.52961.76071.7607
H72.17041.09192.52962.52963.08201.76071.7607
H82.17041.09192.52963.08202.52961.76071.7607

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.418 C1 C2 H7 111.418
C1 C2 H8 111.418 C2 C1 H3 111.418
C2 C1 H4 111.418 C2 C1 H5 111.418
H3 C1 H4 107.456 H3 C1 H5 107.456
H4 C1 H5 107.456 H6 C2 H7 107.456
H6 C2 H8 107.456 H7 C2 H8 107.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.238      
2 C -0.238      
3 H 0.079      
4 H 0.079      
5 H 0.079      
6 H 0.079      
7 H 0.079      
8 H 0.079      


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 -14.858 0.000 0.000
y 0.000 -14.858 0.000
z 0.000 0.000 -15.538
Traceless
 xyz
x 0.340 0.000 0.000
y 0.000 0.340 0.000
z 0.000 0.000 -0.680
Polar
3z2-r2-1.360
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 3.907 0.000 0.000
y 0.000 3.907 0.000
z 0.000 0.000 4.388


<r2> (average value of r2) Å2
<r2> 30.591
(<r2>)1/2 5.531