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Inorganic Chemistry

Blazing goIITian

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11 Sep 2008 12:38:20 IST

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what is the structure of xenon hexafluoride?

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what is the structure of xenon hexafluoride?

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debmalya choudhuri

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11 Sep 2008 12:57:12 IST

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im not sure of the strucutre but it will be a pentagonal bipyramidal geometry and the bond angle will be distorted due to a lone pair present im not sure of the shape so dont rate

abhishek

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11 Sep 2008 13:10:10 IST

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You are wrong deb the structure is distorted octahedral

Harsh Chandalia

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11 Sep 2008 20:59:31 IST

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The structure of XeF₆ required several years to establish in contrast to the cases of XeF₂and XeF₄. In the gas phase it adopts a slightly distorted octahedral geometry.

It lacks perfect octahedral symmetry, as predicted by VSEPR theory due to the presence of six fluoride ligands and one lone pair of electrons.

According to Konrad Seppelt, the Associate Professor of Chemistry at the University of Heidelberg, "the structure is best described in terms of a mobile electron pair that moves over the faces and edges of the octahedron and thus distorts it in a dynamic manner

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dimensions

Blazing goIITian

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11 Sep 2008 21:24:51 IST

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The structure of the Xenon hexaflouride is

PENTAGONAL BIPYRAMIDAL

it is calculated as 1/2[8+6]=7

Here 8 is the no of valence electrons in Xenon
6 is the no of atoms attached to the central atom which are either hydrogen or a halogen is the second term i.e 6is the no of flourines

for 7 hybridisation is sp3d3.

shape is what i Already said
Bond angles are 120* and 90* for equitorial and axial bonds respectively

~Áß???????

Blazing goIITian

Joined: 31 Aug 2008

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11 Sep 2008 22:19:37 IST

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NO dude !!!!!

the structure is distorted octahedral (square planar basically)

the 4 Xe-F BOND on equatorial and 2 lone pair on axial

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gauravtargetsiit

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11 Sep 2008 22:20:50 IST

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bhai log ,XeF6 has distorted octahedral structure
read NCERT p block 18th group elements

Ashwini

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11 Sep 2008 23:41:51 IST

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the structure is distorted octahedral as shown in ABHI_23 ' s diagram. this is because the additional lone pair revolves around the molecule and thus does not contribute to its geometry.

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