Pb_5.0(1)In_8.4(1)Bi_1.6(1)S₂₀, a new quaternary lead indium bis­muth sulfide

The crystal structure of Pb_5.0(1)In_8.4(1)Bi_1.6(1)S₂₀, a compositional variant of a new quaternary sulfide phase, is closely related to the structures of a ternary and another quaternary phase with very different Pb:Bi ratios.

Pb₅In₃Bi₅S₁₇ [Pb_4.94(3)In_3.05(3)Bi_4.99(3)S₁₇] and its structural relationship with Pb₄In₃Bi₇S₁₈

The structure of the compound Pb_4.94(3)In_3.05(3)Bi_4.99(3)S₁₇, a compositional variant of a new quaternary sulfide phase, is closely related to that of Pb₄In₃Bi₇S₁₈.