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Templated, layered manganese phosphate

United States Patent

August 17, 2004
View the Complete Patent at the US Patent & Trademark Office
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A new crystalline maganese phosphate composition having an empirical formula: The compound was determined to crystallize in the trigonal space group P-3c1 with a=8.8706(4) .ANG., c=26.1580(2) .ANG., and V (volume)=1783 .ANG..sup.3. The structure consists of sheets of corner sharing Mn(II)O.sub.4 and PO.sub.4 tetrahedra with layers of (H.sub.3 NCH.sub.2 CH.sub.2).sub.3 N and water molecules in-between. The pronated (H.sub.3 NCH.sub.2 CH.sub.2).sub.3 N molecules provide charge balancing for the inorganic sheets. A network of hydrogen bonds between water molecules and the inorganic sheets holds the structure together.
Thoma; Steven G. (Albuquerque, NM), Bonhomme; Francois R. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
10/ 174,685
June 18, 2002
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the Department of Energy. The Government has certain rights in the invention.