Rational design of the pore system within the framework aluminium alkylenediphosphonate series

Chemistry : a European Journal
Howard G HarveyMartin P Attfield

Abstract

We report here on the solvothermal synthesis and crystal structure of the hybrid organic-inorganic framework material Al(2)[O(3)PC(3)H(6)PO(3)](H(2)O)(2)F(2).H(2)O (orthorhombic, Pmmn, a = 12.0591(2) A, b = 19.1647(5) A, c = 4.91142(7) A, Z = 4), the second member of the Al(2)[O(3)PC(n)H(2n)PO(3)](H(2)O)(2)F(2).H(2)O series. The structure consists of corrugated chains of corner-sharing AlO(4)F(2) octahedra in which alternating AlO(4)F(2) octahedra contain two fluorine atoms in a trans or a cis configuration. The diphosphonate groups link the chains together through Al-O-P-O-Al bridges and through the propylene groups to form a three-dimensional framework structure containing a one-dimensional channel system. The linkage of the corrugated inorganic Al-O-P layers within the structure results in the formation of two types of channel that differ in size, shape and composition. The smaller channel is unoccupied; the larger channel is more elongated and contains two extra-framework water molecules per unit cell. A computational investigation into the driving force that controls the stacking arrangement of the Al-O-P inorganic layers within this series of compounds reveals that the stacking is found to be controlled by thermodynamic f...Continue Reading

Citations

Jan 22, 2009·Dalton Transactions : an International Journal of Inorganic Chemistry·Peter J ByrneRussell E Morris
Oct 5, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Peng-Fei WangLi-Min Zheng
Mar 10, 2007·Chemical Communications : Chem Comm·Anthony K CheethamRussell K Feller
Dec 18, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Si-Fu TangXue-Bo Zhao
Feb 20, 2010·Inorganic Chemistry·Martin P AttfieldWilliam Clegg
Feb 17, 2018·Accounts of Chemical Research·Anthony K CheethamH H-M Yeung
Mar 1, 2005·Inorganic Chemistry·Pei-Qing ZhengLan-Sun Zheng

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