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Arindam Paul posted an Question
August 26, 2020 • 16:29 pm 30 points
  • IIT JAM
  • Biotechnology (BT)

Sir, please discuss the distorted octahedral shape of xef6,

Sir, please discuss the Distorted octahedral shape of XeF6,

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    Anup Padwal

    distorated octahedral shape: The specific geometri is known as a monocapped octahedron, since it is derived from the octahedron by placing the lone pair over the centre of one triangular face of the octahedron as a "cap" (and shifting the positions of the other six atoms to accommodate it). Xe has 8 electrons in its valence shell, of which 6 electrons form six bonds with 6 F atoms while the remaining two electrons remain as lone pair. It's structure is distorated ocrahedral as the lone electron pair is located in the sp3d3 hybrid orbital. Also see the example of SFe6 for better understanding.

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    sir is it SeF6 ?

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    yes

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    also concentrate on lone pair

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    Priyanshu kumar

    Hope it will helps u😊

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    Sir is it the primary shape?

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    for primary shape...just you draw normal octahedral geometry and draw one lone pair ...see attached image

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    Priyanshu kumar Best Answer

    Its hybridisation is sp3d3 however its geometry is capped or distorted octahedral(square bipyramidal) one and not pentagonal bipyramidal. The flourine atoms occupy the vertices of the octahedron and lone pairs keeps on moving in space to minimise repulsion, and hence distorting the octahedral geometry.

    cropped1562566490844104289.jpg
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    please ask if any doubt😊

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