Calculated charge densities of Zr–Te compounds: (a) ZrTe (Pnma) (010), (b) ZrTe (P-6m2) (111), (c) ZrTe3 (010), (d) ZrTe5 ( 11¯0 ), (e) Zr3Te (010), (f) Zr2Te (010), (g) Zr5Te6 (111), and (h) Zr5Te4 (111).