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All results from a given calculation for C2H6 (Ethane)

using model chemistry: HSEh1PBE/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-79.757178
Energy at 298.15K-79.763072
HF Energy-79.757178
Nuclear repulsion energy42.344441
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/daug-cc-pVTZ
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 3045 3045 0.00 356.83 0.00 0.01
2 A1g 1417 1417 0.00 0.01 0.08 0.16
3 A1g 1021 1021 0.00 11.27 0.17 0.29
4 A1u 305 305 0.00 0.00 0.00 0.00
5 A2u 3045 3045 56.61 0.00 0.00 0.00
6 A2u 1400 1400 1.82 0.00 0.00 0.00
7 Eg 3099 3099 0.00 123.66 0.75 0.86
7 Eg 3099 3099 0.00 123.40 0.75 0.86
8 Eg 1496 1496 0.00 8.36 0.75 0.86
8 Eg 1496 1496 0.00 8.42 0.75 0.86
9 Eg 1217 1217 0.00 0.07 0.75 0.86
9 Eg 1217 1217 0.00 0.08 0.75 0.86
10 Eu 3125 3125 55.58 0.00 0.00 0.00
10 Eu 3125 3125 55.58 0.00 0.00 0.00
11 Eu 1497 1497 10.24 0.00 0.00 0.00
11 Eu 1497 1497 10.24 0.00 0.00 0.00
12 Eu 821 821 4.43 0.00 0.00 0.00
12 Eu 821 821 4.43 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16370.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16370.9 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 HSEh1PBE/daug-cc-pVTZ
ABC
2.69958 0.67215 0.67215

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.760
C2 0.000 0.000 -0.760
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
C11.51921.09161.09161.09162.17032.17032.1703
C21.51922.17032.17032.17031.09161.09161.0916
H31.09162.17031.76011.76013.08152.52942.5294
H41.09162.17031.76011.76012.52942.52943.0815
H51.09162.17031.76011.76012.52943.08152.5294
H62.17031.09163.08152.52942.52941.76011.7601
H72.17031.09162.52942.52943.08151.76011.7601
H82.17031.09162.52943.08152.52941.76011.7601

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.414 C1 C2 H7 111.414
C1 C2 H8 111.414 C2 C1 H3 111.414
C2 C1 H4 111.414 C2 C1 H5 111.414
H3 C1 H4 107.461 H3 C1 H5 107.461
H4 C1 H5 107.461 H6 C2 H7 107.461
H6 C2 H8 107.461 H7 C2 H8 107.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.695      
2 C -0.695      
3 H 0.232      
4 H 0.232      
5 H 0.232      
6 H 0.232      
7 H 0.232      
8 H 0.232      


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 -14.868 0.000 0.000
y 0.000 -14.868 0.000
z 0.000 0.000 -15.575
Traceless
 xyz
x 0.353 0.000 0.000
y 0.000 0.353 0.000
z 0.000 0.000 -0.707
Polar
3z2-r2-1.414
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 4.073 0.000 0.000
y 0.000 4.073 0.000
z 0.000 0.000 4.670


<r2> (average value of r2) Å2
<r2> 30.601
(<r2>)1/2 5.532