%0 Conference Proceedings %T metal-organic framework structure of Ni(II) with pyridine-2,6-dicarboxylate and 2-aminopyridinium spacer: synthesis, spectroscopic characterization, and molecular structure %A Eshtiagh Hosseini, Hossein %J یازدهمین کنفرانس شیمی معدنی ایران %D 2009