Structures of iodoplumbates based on protonated amides: (a) structure 1 based on protonated urea; (b) structure 2 based on protonated N-methyl-2-pyrrolidone; (c) structure 3 based on protonated dimethylacetamide; (d) structure 4 based on protonated diethylacetamide.

Structures of iodoplumbates based on protonated amides: (a) structure 1 based on protonated urea; (b) structure 2 based on protonated N-methyl-2-pyrrolidone; (c) structure 3 based on protonated dimethylacetamide; (d) structure 4 based on protonated diethylacetamide.