Niobium (III) fluoride

Crystal structure
	__ Nb 3+ __ F -
General
Surname	Niobium (III) fluoride
other names	Niobium trifluoride
Ratio formula	NbF 3
Brief description	blue to black solid
External identifiers / databases
PubChem	57348759
Wikidata	Q4493216
properties
Molar mass	149.9 g mol −1
Physical state	firmly
density	4.02 g cm −3
Melting point	570 ° C (decomposition)
solubility	soluble in hydrofluoric acid
safety instructions
GHS hazard labeling ; no classification available
GHS hazard labeling ; no classification available
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Niobium (III) fluoride is a chemical compound of niobium from the group of fluorides .

Extraction and presentation

Niobium (III) fluoride can be obtained by reacting niobium with hydrogen fluoride at 225 ° C. The compound can also be obtained by reducing niobium (V) fluoride with niobium at 750 ° C. and high pressure or by reacting niobium hydride with a hydrogen fluoride-hydrogen mixture.

properties

Niobium (III) fluoride is a blue to black solid. The compound is a semiconductor and has a cubic crystal structure of the rhenium trioxide type with the space group Pm 3 m (space group no. 221) . Template: room group / 221

Individual evidence

↑ ^a ^b ^c ^d ^e R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 632 ( limited preview in Google Book search).
^ ^A ^b William M. Haynes: CRC Handbook of Chemistry and Physics, 97th Edition . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 106 ( limited preview in Google Book search).
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
^ AP Hagen: Inorganic Reactions and Methods, The Formation of Bonds to Halogens . John Wiley & Sons, 2009, ISBN 0-470-14539-0 , pp. 178 ( limited preview in Google Book search).
↑ Jane E. Macintyre: Dictionary of Inorganic Compounds . CRC Press, 1992, ISBN 978-0-412-30120-9 , pp. 3168 ( limited preview in Google Book search).
^ JH Simons: Fluorine Chemistry . Elsevier, 2012, ISBN 0-323-14724-0 , pp. 48 ( limited preview in Google Book search).
↑ subgroup elements, lanthanides, actinides, transactinides Volume 2: transition elements, lanthanides, actinides, transactinide attachments . Walter de Gruyter GmbH & Co KG, 2016, ISBN 978-3-11-049339-9 ( limited preview in the Google book search).

[R._Blachnik-1] R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 632 ( limited preview in Google Book search).

[William_M._Haynes-2] A ^b William M. Haynes: CRC Handbook of Chemistry and Physics, 97th Edition . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 106 ( limited preview in Google Book search).

[NV-3] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

[A._P._Hagen-4] AP Hagen: Inorganic Reactions and Methods, The Formation of Bonds to Halogens . John Wiley & Sons, 2009, ISBN 0-470-14539-0 , pp. 178 ( limited preview in Google Book search).

[Jane_E._Macintyre-5] Jane E. Macintyre: Dictionary of Inorganic Compounds . CRC Press, 1992, ISBN 978-0-412-30120-9 , pp. 3168 ( limited preview in Google Book search).

[J.H._Simons-6] JH Simons: Fluorine Chemistry . Elsevier, 2012, ISBN 0-323-14724-0 , pp. 48 ( limited preview in Google Book search).

[7] subgroup elements, lanthanides, actinides, transactinides Volume 2: transition elements, lanthanides, actinides, transactinide attachments . Walter de Gruyter GmbH & Co KG, 2016, ISBN 978-3-11-049339-9 ( limited preview in the Google book search).