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Palladium(II) fluoride: Difference between revisions

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m →‎top: GHS update: remove empty EUClass/Rphrase/Sphrase parameters (depr), replaced: | RPhrases = | → | HPhrases = {{HPhrases|}} |, | SPhrases = | → | PPhrases = {{PPhrases|}} | GHS_ref = |, | EUClass = | → |
 
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{{chembox
{{chembox
| Verifiedfields = changed
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| verifiedrevid = 406079823
| Watchedfields = changed
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| Name = Palladium(II) fluoride
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| verifiedrevid = 443118556
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| ImageFile = PdF2-xtal-1993-unit-cell-CM-3D-ellipsoids.png
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| Name = Palladium(II) fluoride
| ImageSize = 200px
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| ImageFile = PdF2-xtal-1993-unit-cell-CM-3D-ellipsoids.png
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| ImageName = unit cell of the crystal structure of palladium(II) fluoride
| OtherNames =
| ImageSize =
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| ImageName = unit cell of the crystal structure of palladium(II) fluoride
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| Section1 = {{Chembox Identifiers
| OtherNames =
| CASNo = 13444-96-7
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|Section1={{Chembox Identifiers
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| CASNo_Ref = {{cascite}}
| EINECS =
| CASNo = 13444-96-7
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| CASNo_Ref = {{cascite|correct|??}}
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| RTECS =
| PubChem = 83470
| EINECS = 236-598-8
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| RTECS =
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 75308
| SMILES = F[Pd]F
| InChI = 1/2FH.Pd/h2*1H;/q;;+2/p-2
| InChIKey = BHZSLLSDZFAPFH-NUQVWONBAA
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/2FH.Pd/h2*1H;/q;;+2/p-2
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = BHZSLLSDZFAPFH-UHFFFAOYSA-L

}}
}}
| Section2 = {{Chembox Properties
|Section2={{Chembox Properties
| Pd = 1 | F = 2
| Pd=1 | F=2
| Appearance = pale violet crystalline solid; [[hygroscopic]]<ref name="CRC">[http://www.hbcpnetbase.com/ CRC Handbook, 89<sup>th</sup> edition]</ref>
| Appearance = pale violet crystalline solid; [[hygroscopic]]<ref name="CRC">[http://www.hbcpnetbase.com/ CRC Handbook, 89th edition]</ref>
| Density = 5.76&nbsp;g&nbsp;cm<sup>−3</sup><ref name="CRC" />
| Density = 5.76&nbsp;g&nbsp;cm<sup>−3</sup><ref name="CRC" />
| Solubility = reacts with water
| Solubility = reacts with water
| SolubleOther =
| SolubleOther =
| MeltingPtC = 952
| MeltingPt = 952&nbsp;°C<ref name="CRC" />
| MeltingPt_ref = <ref name="CRC" />
}}
}}
| Section3 = {{Chembox Structure
|Section3={{Chembox Structure
| Coordination = octahedral
| Coordination = octahedral
| CrystalStruct = tetragonal
| CrystalStruct = tetragonal
}}
}}
| Section4 = {{Chembox Thermochemistry
|Section4={{Chembox Thermochemistry
| DeltaHf =
| DeltaHf =
| Entropy =
| Entropy =
}}
}}
| Section7 = {{Chembox Hazards
|Section7={{Chembox Hazards
| ExternalMSDS =
| ExternalSDS =
| MainHazards =
| EUClass =
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| NFPA-H =
| EUIndex = Not listed
| MainHazards =
| NFPA-F =
| NFPA-H =
| NFPA-R =
| NFPA-F =
| NFPA-S =
| HPhrases = {{HPhrases|}}
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| NFPA-R =
| PPhrases = {{PPhrases|}}
| NFPA-O =
| RPhrases =
| GHS_ref =
| SPhrases =
| FlashPt =
| FlashPt =
| PEL =
| PEL =
}}
}}
| Section8 = {{Chembox Related
|Section8={{Chembox Related
| OtherAnions = [[Palladium(II) chloride]]<br/>[[Palladium(II) bromide]]<br/>[[Palladium(II) iodide]]
| OtherAnions = [[Palladium(II) chloride]]<br/>[[Palladium(II) bromide]]<br/>[[Palladium(II) iodide]]
| OtherCations = [[Nickel(II) fluoride]]<br/>[[Platinum(II) fluoride]]<br/>[[Platinum(IV) fluoride]]
| OtherCations = [[Nickel(II) fluoride]]<br/>[[Platinum(II) fluoride]]<br/>[[Platinum(IV) fluoride]]
}}
}}
}}
}}
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==Structure and paramagnetism==
==Structure and paramagnetism==
Like its lighter [[congener]] [[nickel(II) fluoride]], PdF<sub>2</sub> adopts a [[rutile]]-type [[crystal structure]], containing [[octahedral coordination geometry|octahedrally coordinated]] palladium, which has the [[electronic configuration]] t{{sup sub|6|2g}} e{{sup sub|2|g}}. This configuration causes PdF<sub>2</sub> to be [[paramagnetic]]<ref name="G&E-1153">{{Greenwood&Earnshaw2nd|pages=1152–1153}}</ref> due to two unpaired electrons, one in each e<sub>g</sub>-symmetry [[atomic orbital|orbital]] of palladium.
Like its lighter [[Congener (chemistry)|congener]] [[nickel(II) fluoride]], PdF<sub>2</sub> adopts a [[rutile]]-type [[crystal structure]],<ref>{{ cite journal | first1 = B. | last1 = Bachmann | first2 = B. G. | last2 = Müller | title = Einkristalluntersuchungen an Fluoroperowskiten MPdF<sub>3</sub> (M = Rb, K) und PdF<sub>2</sub> | journal = [[Zeitschrift für anorganische und allgemeine Chemie|Z. Anorg. Allg. Chem.]] | year = 1993 | volume = 619 | issue = 2 | pages = 387–391 | doi = 10.1002/zaac.19936190225 }}</ref><ref>{{ cite book | last1 = Holleman | first1 = A. F. | last2 = Wiberg | first2 = Egon | last3 = Wiberg | first3 = Nils | title = Inorganic Chemistry | date = 2001 | publisher = Academic Press | location = Web | isbn = 9780123526519 | page = 1515 | url = https://books.google.com/books?id=Mtth5g59dEIC&pg=PA439 | access-date = 30 May 2020 | language = en}}</ref> containing [[octahedral coordination geometry|octahedrally coordinated]] palladium, which has the [[electronic configuration]] t{{sup sub|6|2g}} e{{sup sub|2|g}}. This configuration causes PdF<sub>2</sub> to be [[paramagnetic]]<ref name="G&E-1153">{{Greenwood&Earnshaw2nd|pages=1152–1153}}</ref> due to two unpaired electrons, one in each e<sub>g</sub>-symmetry [[atomic orbital|orbital]] of palladium.

==Applications==
Palladium fluoride is an [[insoluble]] powder used in [[infrared]] optical [[sensors]],<ref>{{cite web|url=https://www.americanelements.com/palladium-fluoride-13444-96-7|title=American_Elements.com}}</ref> and in situations where reactivity to oxygen makes [[palladium oxide]] unsuitable.


==See also==
==See also==
* [[Palladium fluoride]]s
* [[Palladium fluoride]]


==References==
==References==
{{reflist}}
{{reflist}}
{{Palladium compounds}}
{{Palladium compounds}}
{{fluorine compounds}}

[[Category:Palladium compounds]]
[[Category:Palladium compounds]]
[[Category:Fluorides]]
[[Category:Fluorides]]
[[Category:Metal halides]]
[[Category:Platinum group halides]]

[[zh:二氟化钯]]
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