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Synthesis, Characterization, and Crystal Structure of Three Coordination Polymers from 5‐(Pyridin‐2‐ylmethyl)aminoisophthalic Acid
Author(s) -
Kuai HaiWei,
Cheng XiaoChun,
Feng LiangDong,
Zhu XiaoHong
Publication year - 2011
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201100160
Subject(s) - isostructural , monoclinic crystal system , thermogravimetric analysis , crystallography , infrared spectroscopy , hydrogen bond , coordination polymer , crystal structure , intermolecular force , chemistry , metal organic framework , hydrothermal synthesis , single crystal , metal , polymer , hydrothermal circulation , materials science , molecule , organic chemistry , chemical engineering , adsorption , engineering
Three new complexes: [ M (L)(H 2 O)] [ M = Zn ( 1 ), Co ( 2 ), Ni ( 3 ); H 2 L = 5‐(pyridin‐2‐ylmethyl)aminoisophthalic acid] were synthesized under hydrothermal conditions at 180 °C and were characterized by elemental analysis, FT‐IR spectroscopy, single‐crystal X‐ray diffraction, and thermogravimetric analysis (TGA). The results of X‐ray diffraction analysis reveal that complexes 1 – 3 are isostructural and crystallize in the monoclinic system with space group P 2 1 / c . Each of the complexes displays a (3,3′)‐connected two‐dimensional (2D) wave‐like network with (4,8 2 ) topology, within which five‐membered uncoplanar N,N‐chelated metallacycles are shaped. Delicate N–H ··· O and O–H ··· O hydrogen bonding interactions exist in complexes 1 – 3 . Adjacent 2D layers are linked by intermolecular interactions, resulting in the construction of extended metal‐organic frameworks (MOFs) in complexes 1 and 2 .
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