Просмотр кода страницы Английская Википедия:Dichloro(1,2-bis(diphenylphosphino)ethane)nickel

{{Английская Википедия/Панель перехода}}
{{Chembox
| ImageFile1 = PIFDUD02.png
| ImageSize1 = 260
| ImageFile2 = NiCl2(dppe).jpg
| ImageSize2 = 200
| ImageAlt = 
| Name = Dichloro[1,2-bis(diphenyl{{SHY}}phosphino)ethane]nickel
| IUPACName = 
| OtherNames = 
|Section1={{Chembox Identifiers
| CASNo = 14647-23-5
| PubChem = 2734542
| SMILES = }}
|Section2={{Chembox Properties
| C=26 | H=24 | Cl=2 | Ni=1 | P=2
| MolarMass =
| Appearance = orange solid
| Density = 1.406 g/cm<sup>3</sup>
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| BoilingPt = 
| Solubility = }}
|Section3={{Chembox Hazards
| MainHazards = 
| FlashPt = 
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'''Dichloro[1,2-bis(diphenylphosphino)ethane]nickel''' is a [[coordination complex]] with the formula NiCl<sub>2</sub>(dppe); where dppe is the [[diphosphine]] [[1,2-bis(diphenylphosphino)ethane]]. It is used as a reagent and as a [[catalyst]].<ref name = kumada>{{cite journal| last1= Kumada|first1=Makota|last2=Tamao|first2=Kohei|last3=Sumitani|first3=Koji | title = Phosphine-Nickel Complex Catalyzed Cross-Coupling of Grignard Reagents with Aryl and Alkenyl Halides: 1,2-Dibutylbenzene |journal=Organic Syntheses | volume = 58 | page = 127 | year = 1978 |doi = 10.15227/orgsyn.058.0127}}</ref> The compound is a bright orange-red diamagnetic solid.  The complex adopts a [[square planar geometry]].<ref>{{cite journal |last1=Van Hecke |first1=Gerald R. |last2=Horrocks, Jr. |first2=William DeW. |title=Ditertiary Phosphine Complexes of Nickel. Spectral, Magnetic, and Proton Resonance Studies. A Planar-Tetrahedral Equilibrium |journal=Inorganic Chemistry |date=1966 |volume=5 |issue=11 |pages=1968–1974 |doi=10.1021/ic50045a029}}</ref><ref>{{cite journal|first1=J. C.|last1=Davison|first2=M. R. St.-J.|last2=Foreman|first3=R. A.|last3=Howie|first4=M.J.|last4=Plater|first5=J. M. S.|last5=Skakle|journal=Acta Crystallogr. C|volume=57|page=690|doi=10.1107/S0108270101003961|title=A New Polymorph, Form C, of [1,2-Bis(diphenylphosphino)ethane]dichloronickel(II)|year=2001 |issue=6 }}</ref>

It is prepared by combining equimolar portions of [[nickel(II) chloride]] hexahydrate with dppe:
:Ni(H<sub>2</sub>O)<sub>6</sub>Cl<sub>2</sub>  +  dppe   →   NiCl<sub>2</sub>(dppe)  +  6 H<sub>2</sub>O

==See also==
* [[Dichloro(1,3-bis(diphenylphosphino)propane)nickel]]

==References==
{{Reflist|1}}

[[Category:Nickel complexes]]
[[Category:Phosphine complexes]]
[[Category:Chloro complexes]]
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