期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 102, 期 1-3, 页码 122-127出版社
ELSEVIER
DOI: 10.1016/j.micromeso.2006.12.041
关键词
solvothermal synthesis; imidazole-4,5-dicarboxlylate; four-fold helical structure; open-channel; fluorescent emission
A novel 3D metal-organic framework of zinc(II) imidazole-4,5-dicarboxylate, [Zn-5(L)(2)(HL)(2)(DMF)(4)](n) (H3L = 4,5-imidazoledicarboxylic acid), was solvothermally synthesized and structurally characterized by single-crystal X-ray diffraction. This compound crystallizes in the orthorhombic system with the space group Pbca and cell parameters a = 14.1613(8) angstrom, b = 15.6764(9) angstrom, c = 16.1345(9), V= 3581.8(4) angstrom(3) and Z = 4. The crystal structure presents a novel 3D framework with the rare four-fold helical structure and open channels, exhibiting guest-co ordination sites at channel walls and strong fluorescent emission. (C) 2006 Elsevier Inc. All rights reserved.
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