Issue 30, 2007
From the journal:

Dalton Transactions

[(CH3)2NH(CH2)2NH(CH3)2][(UO2)2F2(HPO4)2]: a new organically templated layered uranium phosphate fluoride - synthesis, structure, characterization, and ion-exchange reactions†‡

Kang Min Ok,a   Michael B. Dorana  and  Dermot O'Hare*a  

* Corresponding authors

a Chemistry Research Laboratory, University of Oxford, Oxford, UK
E-mail: dermot.ohare@chem.ox.ac.uk
Fax: +44 1865 285131
Tel: +44 1865 285130

Abstract

A new organically templated layered uranium phosphate fluoride, [(CH3)2NH(CH2)2NH(CH3)2][(UO2)2F2(HPO4)2] has been synthesized by hydrothermal reaction of UO3, H3PO4, HF, and (CH3)2NCH2CH2N(CH3)2 at 140 °C. [(CH3)2NH(CH2)2NH(CH3)2][(UO2)2F2(HPO4)2] has a layered crystal structure consisting of seven-coordinated UO5F2 pentagonal bipyramids and four-coordinated HPO4 tetrahedra. Each anionic layer containing three-, four-, and six-membered rings is separated by [(CH3)2NH(CH2)2NH(CH3)2]2+ cations. The [(CH3)2NH(CH2)2NH(CH3)2]2+ cations may be readily exchanged with the M2+ ions (M = Ba, Sr and Ca) in water to give high crystalline AE(UO2)2(PO4)2·6H2O (AE = Ca, Sr, Ba).

Graphical abstract: [(CH3)2NH(CH2)2NH(CH3)2][(UO2)2F2(HPO4)2]: a new organically templated layered uranium phosphate fluoride - synthesis, structure, characterization, and ion-exchange reactions

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Article information

DOI
https://doi.org/10.1039/B705759H
Article type
Paper
Submitted
16 Apr 2007
Accepted
24 May 2007
First published
20 Jun 2007

Dalton Trans., 2007, 3325-3329

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[(CH3)2NH(CH2)2NH(CH3)2][(UO2)2F2(HPO4)2]: a new organically templated layered uranium phosphate fluoride - synthesis, structure, characterization, and ion-exchange reactions

K. Min Ok, M. B. Doran and D. O'Hare, Dalton Trans., 2007, 3325 DOI: 10.1039/B705759H

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