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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-673.153486
Energy at 298.15K-673.155688
HF Energy-672.288992
Nuclear repulsion energy442.366386
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 MP2/LANL2DZ
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 1310 1262 0.00      
2 A1g 701 675 0.00      
3 A1g 322 310 0.00      
4 A1u 60 58 0.00      
5 A2u 1002 965 265.54      
6 A2u 612 590 46.60      
7 Eg 1087 1047 0.00      
7 Eg 1087 1047 0.00      
8 Eg 549 529 0.00      
8 Eg 549 529 0.00      
9 Eg 334 322 0.00      
9 Eg 334 322 0.00      
10 Eu 1107 1066 465.24      
10 Eu 1107 1066 465.24      
11 Eu 450 433 10.45      
11 Eu 450 433 10.45      
12 Eu 201 194 5.80      
12 Eu 201 194 5.80      

Unscaled Zero Point Vibrational Energy (zpe) 5731.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5519.9 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 MP2/LANL2DZ
ABC
0.08530 0.05667 0.05667

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
C2 0.000 0.000 -0.785
F3 0.000 1.317 1.270
F4 -1.140 -0.658 1.270
F5 1.140 -0.658 1.270
F6 0.000 -1.317 -1.270
F7 -1.140 0.658 -1.270
F8 1.140 0.658 -1.270

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.56991.40321.40321.40322.44072.44072.4407
C21.56992.44072.44072.44071.40321.40321.4032
F31.40322.44072.28062.28063.65892.86122.8612
F41.40322.44072.28062.28062.86122.86123.6589
F51.40322.44072.28062.28062.86123.65892.8612
F62.44071.40323.65892.86122.86122.28062.2806
F72.44071.40322.86122.86123.65892.28062.2806
F82.44071.40322.86123.65892.86122.28062.2806

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 110.228 C1 C2 F7 110.228
C1 C2 F8 110.228 C2 C1 F3 110.228
C2 C1 F4 110.228 C2 C1 F5 110.228
F3 C1 F4 108.704 F3 C1 F5 108.704
F4 C1 F5 108.704 F6 C2 F7 108.704
F6 C2 F8 108.704 F7 C2 F8 108.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.625      
2 C 0.625      
3 F -0.208      
4 F -0.208      
5 F -0.208      
6 F -0.208      
7 F -0.208      
8 F -0.208      


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 -45.532 0.000 0.000
y 0.000 -45.532 0.000
z 0.000 0.000 -45.506
Traceless
 xyz
x -0.013 0.000 0.000
y 0.000 -0.013 0.000
z 0.000 0.000 0.026
Polar
3z2-r20.052
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 3.748 0.000 0.000
y 0.000 3.748 0.000
z 0.000 0.000 3.158


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000