Synthesis, single crystal X-ray characterization, and solution studies of Zn(II)-, Cu(II)-, Ag(I)- and Ni(II)-pyridine-2,6-dipicolinate N-oxide complexes with different topologies and coordination modes

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• 作者：Mina Shahbazi^a ; Farzaneh Mehrzad^a ; Masoud Mirzaei^a ; ^{mirzaeesh@um.ac.ir} ; Hossein Eshtiagh-Hosseini^a ; Joel T. Mague^b ; Mehdi Ardalani^c ; Mojtaba Shamsipur^c
• 关键词：Crystal engineering ; Pyridine-2 ; 6-dicarboxylic acid N-oxide ; Proton transfer ; Coordination polymer ; Mixed crystal ; Solution studies
• 刊名：Inorganica Chimica Acta
• 出版年：2017
• 出版时间：24 March 2017
• 年：2017
• 卷：458
• 期：Complete
• 页码：84-96
• 全文大小：3366 K
• 卷排序：458

文摘

Two new complexes and two new coordination polymers based on pyridine-2,6-dicarboxylic acid N-oxide were synthesized. Complex 1 has a honeycomb-like 2-D network whilst complex 2 is a mixed crystal with Ni and Zn in the metal sites and has a 4-connected {4^4.6^2}topology. Complex 3 forms a 1-D 3-connected staircase-like network with unequal footsteps and possess a {4^2.6} topology. Complex 4 is a 2-D staircase-like 4-connected network with a {4^4.6^2} topology exhibiting rectangular grids Ag–Ag interactions. The complexation reactions of these systems with Cu2+ and Ag+ ions were investigated by potentiometric pH titration method.