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Abstract. Two aliphatic dicarboxy1ic acid ligands, iminodiacetic acid (H2L1) and 3,3‐thiodipropionic acid (H2L2), were used to construct two novel lead(II) frameworks, namely, [Pb(μ4‐L1)Br]n (1) and [Pb3(μ9‐L2)(μ2‐Br)2Br2]n (2), under hydrothermal conditions. It has to be noted that for 1 the central PbII ions are bridged by L2– ligands resulting in infinite right‐ and left‐handed helical Pb–(O–C–O)–Pb...
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