cis-Dichlorobis(bipyridine)ruthenium(II)

*cis*-Dichlorobis(bipyridine)ruthenium(II)
Identifiers
CAS Number	monohydrate: 98014-14-3; dihydrate: 19542-80-4;
3D model (JSmol)	monohydrate: Interactive image; dihydrate: Interactive image;
ChemSpider	monohydrate: 17339772; dihydrate: 2016292;
PubChem CID	monohydrate: 16211844; dihydrate: 2734543;
CompTox Dashboard (EPA)	DTXSID50583494;
	InChI monohydrate: InChI=1S/2C10H8N2.2ClH.H2O.Ru/c21-3-7-11-9(5-1)10-6-2-4-8-12-10;;;;/h21-8H;21H;1H2;/q;;;;;+2/p-2 Key: XBOQABVNRXVAKI-UHFFFAOYSA-L; dihydrate: InChI=1S/2C10H8N2.2ClH.2H2O.Ru/c21-3-7-11-9(5-1)10-6-2-4-8-12-10;;;;;/h21-8H;21H;2*1H2;/q;;;;;;+2/p-2 Key: NHKTUSUPCAKVHT-UHFFFAOYSA-L;
	SMILES monohydrate: C1=CC=NC(=C1)C2=CC=CC=N2.C1=CC=NC(=C1)C2=CC=CC=N2.O.Cl[Ru]Cl; dihydrate: C1=CC=NC(=C1)C2=CC=CC=N2.C1=CC=NC(=C1)C2=CC=CC=N2.O.O.Cl[Ru]Cl;
Properties
Chemical formula	C20H16Cl2N4Ru
Molar mass	484.35 g·mol−1
Appearance	dark green solid
Density	1.59 g/cm3
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H319, H335
GHS precautionary statements	P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

cis-Dichlorobis(bipyridine)ruthenium(II) is the coordination complex with the formula RuCl₂(bipy)₂, where bipy is 2,2'-bipyridine. It is a dark green diamagnetic solid that is a precursor to many other complexes of ruthenium, mainly by substitution of the two chloride ligands.[1] The compound has been crystallized as diverse hydrates.

Synthesis and structure

The complex is prepared by heating a DMF solution of ruthenium trichloride and bipyridine.[2]

With octahedral coordination geometry, the complex exists exclusively as the chiral cis isomer. The corresponding Ru(III) salts are also known.[3]

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References

Sullivan, B. P.; Salmon, D. J.; Meyer, T. J. (1978). "Mixed Phosphine 2,2'-Bipyridine Complexes of Ruthenium". Inorganic Chemistry. 17: 3334-41. doi:10.1021/ic50190a006.
Lay, Peter A.; Sargeson, Alan M.; Taube, Henry (1986). "cis‐Bis(2,2′‐Bipyridine‐N,N′) Complexes of Ruthenium(III)/(II) and Osmium(III)/(II)". Inorganic Syntheses. 24: 291-299. doi:10.1002/9780470132555.ch78.
Eggleston, Drake S.; Goldsby, Kenneth A.; Hodgson, Derek J.; Meyer, Thomas J. (1985). "Structural Variations Induced by Changes in Oxidation State and Their Role in Electron Transfer. Crystal and Molecular Structures of cis-[Ru(bpy)₂Cl₂].3.5H₂O and cis-[Ru(bpy)₂Cl₂]Cl.2H₂O". Inorg. Chem. 24: 4573-4580. doi:10.1021/ic00220a029.

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[1] Sullivan, B. P.; Salmon, D. J.; Meyer, T. J. (1978). "Mixed Phosphine 2,2'-Bipyridine Complexes of Ruthenium". Inorganic Chemistry. 17: 3334-41. doi:10.1021/ic50190a006.

[2] Lay, Peter A.; Sargeson, Alan M.; Taube, Henry (1986). "cis‐Bis(2,2′‐Bipyridine‐N,N′) Complexes of Ruthenium(III)/(II) and Osmium(III)/(II)". Inorganic Syntheses. 24: 291-299. doi:10.1002/9780470132555.ch78.

[3] Eggleston, Drake S.; Goldsby, Kenneth A.; Hodgson, Derek J.; Meyer, Thomas J. (1985). "Structural Variations Induced by Changes in Oxidation State and Their Role in Electron Transfer. Crystal and Molecular Structures of cis-[Ru(bpy)₂Cl₂].3.5H₂O and cis-[Ru(bpy)₂Cl₂]Cl.2H₂O". Inorg. Chem. 24: 4573-4580. doi:10.1021/ic00220a029.