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All results from a given calculation for C2H6 (Ethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-79.758722
Energy at 298.15K-79.764626
HF Energy-79.758722
Nuclear repulsion energy42.345827
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 HSEh1PBE/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 3047 3047 0.00 302.62 0.00 0.01
2 A1g 1419 1419 0.00 0.75 0.75 0.85
3 A1g 1024 1024 0.00 10.85 0.20 0.34
4 A1u 309 309 0.00 0.00 0.00 0.00
5 A2u 3048 3048 56.28 0.00 0.00 0.00
6 A2u 1402 1402 2.12 0.00 0.00 0.00
7 Eg 3104 3104 0.00 130.94 0.75 0.86
7 Eg 3104 3104 0.00 130.94 0.75 0.86
8 Eg 1497 1497 0.00 17.44 0.75 0.86
8 Eg 1497 1497 0.00 17.44 0.75 0.86
9 Eg 1217 1217 0.00 0.25 0.75 0.86
9 Eg 1217 1217 0.00 0.25 0.75 0.86
10 Eu 3129 3129 56.42 0.00 0.00 0.00
10 Eu 3129 3129 56.43 0.00 0.00 0.00
11 Eu 1499 1499 10.57 0.00 0.00 0.00
11 Eu 1499 1499 10.57 0.00 0.00 0.00
12 Eu 822 822 4.70 0.00 0.00 0.00
12 Eu 822 822 4.70 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16393.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16393.0 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 HSEh1PBE/Def2TZVPP
ABC
2.69941 0.67230 0.67230

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.016 1.158
H4 -0.880 -0.508 1.158
H5 0.880 -0.508 1.158
H6 0.000 -1.016 -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
C11.51881.09171.09171.09172.17022.17022.1702
C21.51882.17022.17022.17021.09171.09171.0917
H31.09172.17021.76021.76023.08162.52952.5295
H41.09172.17021.76021.76022.52952.52953.0816
H51.09172.17021.76021.76022.52953.08162.5295
H62.17021.09173.08162.52952.52951.76021.7602
H72.17021.09172.52952.52953.08161.76021.7602
H82.17021.09172.52953.08162.52951.76021.7602

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.424 C1 C2 H7 111.424
C1 C2 H8 111.424 C2 C1 H3 111.424
C2 C1 H4 111.424 C2 C1 H5 111.424
H3 C1 H4 107.449 H3 C1 H5 107.449
H4 C1 H5 107.449 H6 C2 H7 107.449
H6 C2 H8 107.449 H7 C2 H8 107.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.225      
2 C -0.225      
3 H 0.075      
4 H 0.075      
5 H 0.075      
6 H 0.075      
7 H 0.075      
8 H 0.075      


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 -14.871 0.000 0.000
y 0.000 -14.871 0.000
z 0.000 0.000 -15.547
Traceless
 xyz
x 0.338 0.000 0.000
y 0.000 0.338 0.000
z 0.000 0.000 -0.677
Polar
3z2-r2-1.354
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 3.910 0.000 0.000
y 0.000 3.910 0.000
z 0.000 0.000 4.392


<r2> (average value of r2) Å2
<r2> 30.594
(<r2>)1/2 5.531