Niobocene dichloride

Chemical compound / From Wikipedia, the free encyclopedia

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.

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Niobocene dichloride
Names
IUPAC name
Dichloridobis (η5-cyclopentadienyl)niobium
Other names
Niobocene dichloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.159.630
EC Number
  • 631-385-9
RTECS number
  • QU0400000
  • InChI=1S/2C5H5.2ClH.Nb/c2*1-2-4-5-3-1;;;/h2*1-5H;2*1H;/q;;;;+2/p-2
    Key: CYMWZQTUXXEBCR-UHFFFAOYSA-L
  • [CH]1[CH][CH][CH][CH]1.[CH]1[CH][CH][CH][CH]1.Cl[Nb]Cl
Properties
C10H10Cl2Nb
Molar mass 294 g/mol
Appearance brown solid
Melting point dec.
Boiling point dec.
soluble (hydrolysis)
Solubility in other solvents sparingly in chlorocarbons
Hazards
GHS labelling:[1]
Warning
H315, H319, H335
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).
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