Jump to content

Wikipedia:WikiProject Chemicals/Chembox validation/VerifiedDataSandbox and Praseodymium hexaboride: Difference between pages

(Difference between pages)
Page 1
Page 2
Content deleted Content added
Saving copy of the {{chembox}} taken from revid 408494406 of page Lanthanum_hexaboride for the Chem/Drugbox validation project (updated: 'ChemSpiderID', 'StdInChI', 'StdInChIKey').
 
No edit summary
 
Line 1: Line 1:
{{ambox | text = This page contains a copy of the infobox ({{tl|chembox}}) taken from revid [{{fullurl:Lanthanum_hexaboride|oldid=408494406}} 408494406] of page [[Lanthanum_hexaboride]] with values updated to verified values.}}
{{chembox
{{chembox
| Watchedfields = changed
| verifiedrevid = 381183337
| verifiedrevid = 462088835
| ImageFile = CaHexaboride.jpg
| ImageFile = CaHexaboride.jpg
| ImageSize =
| ImageSize =
| IUPACName =
| IUPACName =
| OtherNames = Lanthanum boride
| OtherNames = Praseodymium boride
| Section1 = {{Chembox Identifiers
|Section1={{Chembox Identifiers
| CASNo = 12008-21-8
| CASNo = 12008-27-4
| CASNo_Ref = {{cascite}}
| CASNo_Ref = {{cascite|correct|CAS}}
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 21241507
| ChemSpiderID = 62852859
| StdInChI = 1S/B6.La/c1-2-5(1)3-4(5)6(1,2)3;/q-2;+2
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = VJXOKIULCJPJLW-UHFFFAOYSA-N
| PubChem =
| StdInChI = 1S/6B.Pr
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| SMILES =
| StdInChIKey = QHGDJAMSTQXPDI-UHFFFAOYSA-N
| PubChem = 170843463
| EC_number = 234-534-2
| SMILES = [B].[B].[B].[B].[B].[B].[Pr]
}}
}}
| Section2 = {{Chembox Properties
|Section2={{Chembox Properties
| Formula = LaB<sub>6</sub>
| Formula = PrB<sub>6</sub>
| MolarMass = 203.78 g/mol
| MolarMass = 205.77 g/mol
| Appearance = intense purple violet
| Appearance = black crystals
| Density = 4.72 g/cm<sup>3</sup>
| Density = 4.84 g/cm<sup>3</sup>
| MeltingPt = 2610&nbsp;°C<ref>{{cite book| author = | chapter = | chapter-url = | format = | url = | title = Справочник химика | orig-year = | agency = Редкол.: Никольский Б.П. и др. | edition = 3-е изд., испр |location= Л. |date = 1971 |publisher= Химия |at= |volume= 2 | pages = | page = | series = | isbn = }}</ref>
| MeltingPt = 2210 °C
| BoilingPt =
| BoilingPt =
| Solubility = insoluble
}}
}}
| Section3 = {{Chembox Structure
|Section3={{Chembox Structure
| CrystalStruct = Cubic
| CrystalStruct = Cubic
| SpaceGroup = P''m<span style="text-decoration: overline">3</span>m'' ; O<sub>h</sub>
| SpaceGroup = P''m<span style="text-decoration: overline">3</span>m'' ; O<sub>h</sub>
}}
}}
| Section7 = {{Chembox Hazards
|Section7={{Chembox Hazards
| MainHazards =
| MainHazards =
| FlashPt =
| FlashPt =
| Autoignition =
| AutoignitionPt =
}}
}}
}}
}}

'''Praseodymium hexaboride''' is a binary inorganic compound of [[praseodymium]] and [[boron]] with the formula PrB<sub>6</sub>. It forms black crystals that are insoluble in water.

== Preparation ==

Praseodymium hexaboride can be prepared from the reaction of stoichiometric quantities of praseodymium and boron:

:{{chem2|Pr + 6B -> PrB6}}

== Properties ==

Praseodymium hexaboride forms black crystals of the [[cubic crystal system]], with [[space group]] ''Pm''{{overline|3}}''m'', cell parameters a = 0.4129 nm, Z = 1, and structure isotypical with [[calcium hexaboride]].<ref>{{cite book| author = | chapter = | chapter-url = | format = | url = | title = Справочник химика | orig-year = | agency = Редкол.: Никольский Б.П. и др. | edition = 2-е изд., испр |location= М.-Л. |date = 1966 |publisher= Химия |at= |volume= 1 | pages = | page = | series = | isbn = }}</ref> The compound melts congruently at 2610&nbsp;°C.<ref>{{cite book| author = | chapter = | chapter-url = | format = | url = | title = Руководство по неорганическому синтезу: В 6-ти т. | orig-year = | agency = Ред. Брауэр Г. | edition = |location= М. |date = 1985 |publisher= Мир |at= |volume= 4 | pages = | page = | series = | isbn = }}</ref> At temperatures below 7&nbsp;K, a magnetic transition to an antiferromagnetic state occurs in the compound.<ref>{{Cite journal |author = М.А. Анисимов, А.В. Кузнецов, А.В. Богач, В.В. Глушков, С.В. Демишев, Н.А. Самарин, Н.Ю. Шицевалова, А.В. Левченко, В.Б. Филипов, Н.Е. Случанко |editor= |format= |url= http://conf.mirea.ru/CD2012/pdf/p2/39.pdf |title= Подавление спонтанной намагниченности в парамагнитной фазе PrB{{sub|6}} |type= |orig-year= | agency = |edition= Материалы Международной научно-технической конференции |location= |date= 2012 |year= 2012 |publisher= |volume= |issue= |number= |pages = 160–163 |series= |isbn = |issn = |doi = |bibcode = |arxiv = |pmid = |archive-url = https://web.archive.org/web/20150412194233/http://conf.mirea.ru/CD2012/pdf/p2/39.pdf |archive-date = 2015-04-12 |language= |quote= }}</ref><ref>{{Cite journal |author = H. Hacker Jr., Y. Shimada, K. S. Chung |editor= |format= |url= |title= Magnetic properties of CeB{{sub|6}}, PrB{{sub|6}}, EuB{{sub|6}}, and GdB{{sub|6}} |type= |orig-year= | agency = |edition= Physica Status Solidi (a) |location= |date= 1971 |year= 1971 |publisher= |volume= 4 |number= 2|pages = 459–465 |series= |isbn = |issn = |doi = 10.1002/pssa.2210040221 |bibcode = |arxiv = |pmid = |language= |quote= }}</ref><ref>{{Cite journal |author = М.А. Анисимов, А.В. Богач, В.В. Глушков, С.В. Демишев, Н.А. Самарин, В.Б. Филипов, Н.Ю. Шицевалова, Н.Е. Случанко |editor= |format= |url= https://mipt.ru/upload/154/9-12-arphcxl1tgs.pdf |title= Новая магнитная фаза в гексабориде празеодима |type= |orig-year= | agency = |edition= Труды МФТИ. — . — Том , № (5) |location= |date= 2010 |year= 2010 |publisher= |volume= 2 |number= 1|pages = 9–12 |series= |isbn = |issn = |doi = |bibcode = |arxiv = |pmid = |archive-url = https://web.archive.org/web/20140719125430/http://mipt.ru/upload/154/9-12-arphcxl1tgs.pdf |archive-date = 2014-07-19 |language= |quote= }}</ref> It does not dissolve in water.

== Uses ==

Praseodymium hexaboride is used as a component of alloys for cathodes of high-power electronic devices.

== References ==
{{reflist}}

{{Praseodymium compounds}}
{{Borides}}

[[Category:Praseodymium(III) compounds]]
[[Category:Borides]]