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Templated, layered manganese phosphate

Patent ·
OSTI ID:1174987
;

A new crystalline maganese phosphate composition having an empirical formula: O). 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.

Research Organization:
Sandia National Laboratories (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
6,777,568
Application Number:
10/174,685
OSTI ID:
1174987
Country of Publication:
United States
Language:
English

References (6)

A New Gallium Phosphate Templated by Tris(2-aminoethyl)amine: [Ga(HPO 4 )(PO 4 )(OH)].[(C 2 H 7 N) 3 N].H 2 O journal November 1997
A New Manganese(II) Phosphate Templated by Ethylenediamine:  (C 2 H 10 N 2 )[Mn 2 (HPO 4 ) 3 (H 2 O)]. Hydrothermal Synthesis, Crystal Structure, and Spectroscopic and Magnetic Properties journal February 2000
Synthesis and crystal structure of mil-27, a new oxyfluorinated three-dimensional framework metallophosphate obtained with aluminium in four, five and sixfold coordination and templated with the tris(2-aminoethyl)amine journal August 1999
Synthesis and characterisation of MIL-43 and MIL-44, two new layered templated tetravalent phosphates: Zr(PO4)2·N2C2H10 and Ti2(PO4)2(HPO4)2·N2C2H10 journal June 2001
Synthesis and crystal structure of MIL-32: a new chiral layered aluminophosphate templated with non chiral tris(2-aminoethyl)amine: Al3(PO4)4, N4C6H21, H2O journal May 2000
An Open Framework Aluminophosphate with Unique 12-Membered Ring Channels: Al9(PO4)12(C24H91N16)·17H2O journal June 1999

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36 MATERIALS SCIENCE