Abstract
One new metal-organic framework (MOF) {[Mn 2L 2(CH 3OH) 2.5H 2O]·2.5CH 3OH·5.5H 2O} n 1 was prepared by assembling from the newly synthesized semirigid benzimidazole carboxylate ligand 2,6-bis(6-carboxy-4-methyl-2-propyl-benzimidazol-1-ylmethyl)benzene ( H 2 L) with Mn(II) ion. It contained novel 1D double-stranded coordinating chain with metallomacrocycle and dinuclear Mn(II) subunit bridged by carboxylate ions. Variable temperature susceptibility measurements (2–300 K) revealed an antiferromagnetic coupling interaction ( J = −0.97 cm −1). The crystal structure and the magnetic behavior of 1 were discussed in detail.
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