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The 1 : 2 and 1 : 1 reactions of CuCl2 with 1-methylbenzotriazole in EtOH–CH(OEt)3 gave the doubly chloro-bridged dimer [Cu2Cl4(C7H7N3)4]1 and the novel alternating linear-chain polymer [{Cu2Cl4(C7H7N3)2}n]2 respectively, crystal structures of which have been determined; magnetic susceptibility studies show that complex 1 possesses intramolecular- and complex 2 intrachain-ferromagnetic coupling.
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Skorda et al. (1995) studied this question.
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