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    I Primitive unit cell (Diamond)

    I guess I can't , which is needed to fulfill the definition of a unitcell. Thanks a lot DrDu!. Upon looking some more at it , the tetrahedron also doesn't include a single lattice point which it is supposed to do to be a primitive unit cell.
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    I Primitive unit cell (Diamond)

    Hi guys , I want to construct a primitive unit cell for diamond, which is made of a fcc lattice and a basis of 2 carbons atoms. I know that a primitive unit cell isn't unique but the two variants I get are drastically different . As far as I can see they both include 2 whole atoms/points in the...
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    Implicit differentiation problem

    Are you sure that this is true ? dy/dx tells us to derive the function y=f(x) with respect to x.