Abstract

The reaction of lead (II) nitrate with sodium benzoate at low temperature gives one dimensional coordination polymer with composition [Pb(Ben) 2(MeOH) 2] n (where Ben = benzoate, MeOH = methanol). This one dimensional polymer on heating in aqueous solution results in the formation of a two dimensional polymer having composition [Pb(Ben) 2(H 2O)] n . Similar reaction of lead (II) nitrate with 2-methylbenzoic acid in the presence of sodium hydroxide in methanol at low temperature gives a coordination polymer having composition [Pb( o-TOL) 2(MeOH) 2] n (where o-TOL = 2-methylbenzoate); which on re-dissolution in aqueous methanol or keeping in water, at room temperature leads to another coordination polymer having a composition of [Pb( o-TOL) 2(H 2O)] n .

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