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Questions tagged [lattices]

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Why don't ions form crystal lattices in water and other polar solvents?

Ionic compounds are in the form of crystal lattices, and when they are dissolved in a polar solvent, they are bonded with the corresponding cations/anions of the polar solvent. For example, $Na^+$ ...
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Does a molecule need to be placed symmetrically in the unit cell?

I was watching an OCW by MIT (3.091X) on solid state. My previous notion of lattice point and unit cell got shattered after this example. Where are the unit cell and lattice points in this picture? ...
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How is the covalency of terminal carbons of a diamond satisfied? [duplicate]

Are the terminal carbons of the diamond lattice remain bonded to some element like hydrogen? Or, is it that they don't achieve octate in their outer shell?
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Is this approach to finding density in crystal lattice acceptable?

In answering a question in an elementary chemistry text that asks for the density of gold ($\ce{Au}$) based on crystal dimensions and weight per atom, I found the approach I used was a little ...
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Proof: Lattice planes and reciprocal lattice vectors

I'm trying to prove the following - Every set of lattice planes has vectors V perpendicular to it. These vectors belong to the set of reciprocal vectors of the lattice. The shortest of these vectors ...
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Do two Miller planes need to have similar arrangement of atoms?

For two Miller planes, do I need to have the same arrangement of atoms in both of them? Does it need to look like the same plane translated a little? I have this question because if this is not the ...