Synthesis of Divalent-metal-containing Open-framework Aluminophosphates M(Ⅱ)-CJ50 Using Ether Amine as the Organic Template

doi:10.7503/cjcu20130309

Abstract

Abstract:

Three divalent-metal-containing open-framework aluminophosphates, designated M(Ⅱ)-CJ50, (|C₆H₁₇N₂O₂| [MAl₃P₄O₁₆], M=Mg, Mn and Fe), have been hydrothermally synthesized using 2,2'-(ethylenedioxy)bis(ethylamine) as the organic template. Single crystal and powder X-ray diffraction analyses show that their structures are similar to those of trivalent-metal-containing aluminophosphates M(Ⅲ)-CJ50 synthesized by using imidazole as template. The differences between M(Ⅱ)-CJ50 and M(Ⅲ)-CJ50 are: hetero-metal atoms in M(Ⅱ)-CJ50 have lower oxidation states owing to the usage of ether amine; in M(Ⅱ)-CJ50, hetero-metal atoms are coordinated to the two O atoms in each ether amine molecule, whereas in M(Ⅲ)-CJ50 hetero-metal atoms are coordinated to pairs of imidazole molecules through single N atoms. Moreover, magnetic measurements reveal that the hetero-metal atoms in M(Ⅱ)-CJ50 are high-spin whereas those in M(Ⅲ)-CJ50 are low-spin owing to the differences in ligand molecules and oxidation states of hetero-metal atoms.

Key words: Microporous material, Aluminophosphate, Hetero-metal-atom, Organic template, Hydrothermal synthesis

CLC Number:

O611.4

TrendMD:

SHAO Lang, LI Yi, WANG Xiao-Fang, YU Ji-Hong. Synthesis of Divalent-metal-containing Open-framework Aluminophosphates M(Ⅱ)-CJ50 Using Ether Amine as the Organic Template[J]. Chem. J. Chinese Universities, 2013, 34(8): 1806.

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Synthesis of Divalent-metal-containing Open-framework Aluminophosphates M(Ⅱ)-CJ50 Using Ether Amine as the Organic Template

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