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1-4 OF 4 RESULTS FOR
polyoxoanion
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Journal Article
Protocaseyite, a new decavanadate mineral containing a [Al 4 (OH) 6 (H 2 O) 12 ] 6+ linear tetramer, a novel isopolycation
Anthony R. Kampf, Mark A. Cooper, John M. Hughes, Chi Ma, William H. Casey, Frank C. Hawthorne, Joe Marty
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1181–1189.
... O 28 ] 6− decavanadate polyoxoanion and a novel [Al 4 (OH) 6 (H 2 O) 12 ] 6+ polyoxocation. * E-mail: akampf@nhm.org . Manuscript handled by G. Diego Gatta 17 3 2021 16 6 2021 Copyright © 2022 by the Mineralogical Society of America 2022 Mineralogical Society...
Journal Article
Menezesite, the first natural heteropolyniobate, from Cajati, São Paulo, Brazil: Description and crystal structure
Daniel Atencio, José M.V. Coutinho, Antonio C. Doriguetto, Yvonne P. Mascarenhas, Javier Ellena, Viviane C. Ferrari
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 January 2008
American Mineralogist (2008) 93 (1): 81–87.
... (1933 , 1934) . The names “Keggin anion” and “Keggin structure” were introduced for this polyoxotungstate and, for extension, for the whole series [XM 12 O 40 ] n− . There are several other structural types of polyoxoanions ( Jeannin 1998 ). The first synthetic heteropolyniobates were obtained...
Includes: Supplemental Content
Journal Article
Hansesmarkite, Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O, a new hexaniobate from a syenite pegmatite in the Larvik Plutonic Complex, southern Norway
Journal: Mineralogical Magazine
Published: 01 June 2017
Mineralogical Magazine (2017) 81 (3): 543–554.
... , P.T. , Wang , G. , Chen , G. , Wang , J.P. and Niu , J.Y. ( 2011 ) A new two-dimensional polyoxoniobate built by Lindqvist-type polyoxoanion and copper coordinated cations K 2 [Cu(H 2 O) 6 ]{[Nb 6 O 19 ][Cu(NH 3 )] 2 }·8H 2 O . Journal of Molecular Structure , 997 , 126 – 130...
Journal Article
A Revised and Expanded Structure Hierarchy of Natural and Synthetic Hexavalent Uranium Compounds
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 January 2016
The Canadian Mineralogist (2016) 54 (1): 177–283.
... the structural unit [(UO 2 )O 3 (Te 2 O 3 )] 2– . The moctezumite chains are arranged to form pseudo-sheets that are held together by [6]-coordinate Pb 2+ in the interstitial complex that weakly bond to the – yl oxygen atoms and the oxygen atoms of the Te 4+ polyoxoanions. The chain illustrated in Figure...