About: Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13).4H2O

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The previously published structure determination of weeksite from the Anderson mine, Arizona, U.S.A., suggested that it is orthorhombic, Cmmb, with a = 14.209(2), b = 14.248(2), c = 35.869(4) Å, and V = 7262(2) Å3, and an ideal chemical formula (K,Ba)1-2(UO2)2(Si5O13).H2O . Using single-crystal X ray diffraction, electron microprobe analysis, and thermal analysis, we reexamined weeksite from the same locality. Our results demonstrate that weeksite is monoclinic, with the space group C2/m and unit-cell parameters a = 14.1957(4), b = 14.2291(5), c = 9.6305(3) Å, b = 111.578(3)°, V = 1808.96(10) Å3, and an ideal formula K2(UO2)2(Si5O13).4H2O. The previously published structure determination of weeksite from the Anderson mine, Arizona, U.S.A., suggested that it is orthorhombic, Cmmb, with a = 14.209(2), b = 14.248(2), c = 35.869(4) Å, and V = 7262(2) Å3, and an ideal chemical formula (K,Ba)1-2(UO2)2(Si5O13).H2O . Using single-crystal X ray diffraction, electron microprobe analysis, and thermal analysis, we reexamined weeksite from the same locality. Our results demonstrate that weeksite is monoclinic, with the space group C2/m and unit-cell parameters a = 14.1957(4), b = 14.2291(5), c = 9.6305(3) Å, b = 111.578(3)°, V = 1808.96(10) Å3, and an ideal formula K2(UO2)2(Si5O13).4H2O. (en)
Title	Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13).4H2O Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13).4H2O (en)
skos:prefLabel	Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13).4H2O Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13).4H2O (en)
skos:notation	RIV/68378271:_____/12:00379221!RIV13-GA0-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P S V Z
http://linked.open...avai/riv/aktivity	P(GAP204/11/0809), S, V, Z(AV0Z10100521), Z(MSM0021622412)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Fejfarová, Karla Dušek, Michal
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	165423
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00379221
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	crystal structure; X-ray diffraction; Jana2006; uranyl silicate (en)
http://linked.open.../riv/klicoveSlovo	Jana2006 X-ray diffraction crystal structure uranyl silicate
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[0A01B25D57D5]
http://linked.open...i/riv/nazevZdroje	American Mineralogist
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Absorption, beam homogeneity and varying irradiated volume corrections in multidomain bulk and thin film samples.
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	97
http://linked.open...iv/tvurceVysledku	Dušek, Michal Fejfarová, Karla Plášil, J. Čejka, J. Škoda, R. Yang, H. Barkley, M. C. Downs, R. T.
http://linked.open...ain/vavai/riv/wos	000302204400028
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
issn	0003-004X
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.2138/am.2012.4025
is http://linked.open...avai/riv/vysledek of	Revision of the crystal structure and chemical formula of weeksite, K2(UO2)2(Si5O13).4H2O

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