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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP/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 B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-79.773465
Energy at 298.15K-79.779379
HF Energy-79.653895
Nuclear repulsion energy42.320243
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1g 3056 3056 0.00 296.29 0.01 0.01
2 A1g 1435 1435 0.00 0.46 0.71 0.83
3 A1g 1010 1010 0.00 12.41 0.21 0.34
4 A1u 310 310 0.00 0.00 0.00 0.00
5 A2u 3057 3057 56.30 0.00 0.01 0.01
6 A2u 1421 1421 0.98 0.00 0.00 0.00
7 Eg 3109 3109 0.00 128.01 0.75 0.86
7 Eg 3109 3109 0.00 128.01 0.75 0.86
8 Eg 1517 1517 0.00 17.52 0.75 0.86
8 Eg 1517 1517 0.00 17.52 0.75 0.86
9 Eg 1231 1231 0.00 0.36 0.75 0.86
9 Eg 1231 1231 0.00 0.36 0.75 0.86
10 Eu 3134 3134 61.14 0.00 0.00 0.00
10 Eu 3134 3134 61.14 0.00 0.00 0.00
11 Eu 1519 1519 8.72 0.00 0.00 0.00
11 Eu 1519 1519 8.72 0.00 0.00 0.00
12 Eu 830 830 3.33 0.00 0.00 0.00
12 Eu 830 830 3.33 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16484.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16484.4 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/Def2TZVPP
ABC
2.70641 0.66910 0.66910

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.763
C2 0.000 0.000 -0.763
H3 0.000 1.015 1.158
H4 -0.879 -0.507 1.158
H5 0.879 -0.507 1.158
H6 0.000 -1.015 -1.158
H7 -0.879 0.507 -1.158
H8 0.879 0.507 -1.158

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52571.08931.08931.08932.17282.17282.1728
C21.52572.17282.17282.17281.08931.08931.0893
H31.08932.17281.75791.75793.08012.52922.5292
H41.08932.17281.75791.75792.52922.52923.0801
H51.08932.17281.75791.75792.52923.08012.5292
H62.17281.08933.08012.52922.52921.75791.7579
H72.17281.08932.52922.52923.08011.75791.7579
H82.17281.08932.52923.08012.52921.75791.7579

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.290 C1 C2 H7 111.290
C1 C2 H8 111.290 C2 C1 H3 111.290
C2 C1 H4 111.290 C2 C1 H5 111.290
H3 C1 H4 107.593 H3 C1 H5 107.593
H4 C1 H5 107.593 H6 C2 H7 107.593
H6 C2 H8 107.593 H7 C2 H8 107.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230      
2 C -0.230      
3 H 0.077      
4 H 0.077      
5 H 0.077      
6 H 0.077      
7 H 0.077      
8 H 0.077      


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 -15.030 0.000 0.000
y 0.000 -15.030 0.000
z 0.000 0.000 -15.748
Traceless
 xyz
x 0.359 0.000 0.000
y 0.000 0.359 0.000
z 0.000 0.000 -0.718
Polar
3z2-r2-1.436
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 3.886 0.000 0.000
y 0.000 3.886 0.000
z 0.000 0.000 4.360


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