Niobocene dichloride

Niobocene dichloride
Names
	IUPAC name Dichloridobis (η5-cyclopentadienyl)niobium
	Other names Niobocene dichloride
Identifiers
CAS Number	12793-14-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	21251691;
ECHA InfoCard	100.159.630
EC Number	631-385-9;
PubChem CID	16211739;
RTECS number	QU0400000;
	InChI InChI=1S/2C5H5.2ClH.Nb/c21-2-4-5-3-1;;;/h21-5H;2*1H;/q;;;;+2/p-2 Key: CYMWZQTUXXEBCR-UHFFFAOYSA-L;
	SMILES [cH-]1cccc1.[cH-]1cccc1.Cl[Nb+2]Cl;
Properties
Chemical formula	C10H10Cl2Nb
Molar mass	294 g/mol
Appearance	brown solid
Melting point	dec.
Boiling point	dec.
Solubility in water	soluble (hydrolysis)
Solubility in other solvents	sparingly in chlorocarbons
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Related compounds
Related compounds	Cp2TiCl2; Cp2MoCl2 Cp2VCl2
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Niobocene dichloride is the organometallic compound with the formula (C₅H₅)₂NbCl₂, abbreviated Cp₂NbCl₂. This paramagnetic brown solid is a starting reagent for the synthesis of other organoniobium compounds. The compound adopts a pseudotetrahedral structure with two cyclopentadienyl and two chloride substituents attached to the metal. A variety of similar compounds are known, including Cp₂TiCl₂.

Names

IUPAC name Dichloridobis (η⁵-cyclopentadienyl)niobium
Other names Niobocene dichloride
Identifiers
CAS Number	12793-14-5^Y
3D model (JSmol)	Interactive image
ChemSpider	21251691
ECHA InfoCard	100.159.630
EC Number	631-385-9
PubChem CID	16211739
RTECS number	QU0400000
InChI InChI=1S/2C5H5.2ClH.Nb/c21-2-4-5-3-1;;;/h21-5H;2*1H;/q;;;;+2/p-2 Key: CYMWZQTUXXEBCR-UHFFFAOYSA-L
SMILES [cH-]1cccc1.[cH-]1cccc1.Cl[Nb+2]Cl
Properties
Chemical formula	C₁₀H₁₀Cl₂Nb
Molar mass	294 g/mol
Appearance	brown solid
Melting point	dec.
Boiling point	dec.
Solubility in water	soluble (hydrolysis)
Solubility in other solvents	sparingly in chlorocarbons
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Related compounds
Related compounds	Cp₂TiCl₂ Cp₂MoCl₂ Cp₂VCl₂
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references