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Updated: Aug 13, 2026

Discovery and Synthesis Optimization of Isoreticular Al(III) Phosphonate-Based Metal-Organic Framework Compounds Using High-Throughput Methods
Published on: October 6, 2023
Incorporation of triazacyclononane into the metal phosphonate backbones
Song-Song Bao1, Gang-Sheng Chen, Yin Wang
1State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Nanjing University, Nanjing 210093, PR China.
Abstract:
This paper reports the syntheses and crystal structures of a manganese and a uranyl phosphonate based on 1,4,7-triazacyclononane-1,4,7-triyl-tris(methylenephosphonic acid), namely, Mn3{C9N3H18(PO3)3}(H2O)6 x 1.5 H2O (1) and UO2{C9N3H19(PO3H)3} x H2O (2). Compound 1 shows a unique layer structure where the hydrophobic triazacyclononane moieties all reside on one side of the inorganic backbone of the manganese phosphonate layer while the hydrophilic coordinated water molecules reside on the other side. In compound 2, the triazacyclononane moieties are immobilized on the inorganic backbone of the uranyl phosphonate chains. The magnetic properties of compound 1 and the ion exchange properties of compound 2 have been studied.
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