Vanadium(III) fluoride: Difference between revisions

Latest revision as of 12:09, 15 February 2025

Vanadium(III) fluoride[edit]

Vanadium(III) fluoride is an inorganic compound with the chemical formula VF_. It is a member of the vanadium halides and is characterized by its distinctive properties and applications in various fields of chemistry and materials science.

Structure[edit]

Vanadium(III) fluoride adopts a rhombohedral crystal structure, similar to that of rhodium(III) fluoride. The structure is composed of vanadium atoms surrounded by six fluoride ions, forming an octahedral coordination geometry. This arrangement is typical for many transition metal fluorides and contributes to the compound's stability and reactivity.

Properties[edit]

Vanadium(III) fluoride is a dark green solid that is insoluble in water. It is known for its high melting point and thermal stability. The compound exhibits paramagnetic behavior due to the presence of unpaired electrons in the vanadium ion, which is in the +3 oxidation state.

Synthesis[edit]

Vanadium(III) fluoride can be synthesized through the reaction of vanadium(III) oxide with hydrofluoric acid or by the direct fluorination of vanadium metal. The synthesis requires careful control of conditions to prevent the formation of higher oxidation state fluorides, such as vanadium(V) fluoride.

Applications[edit]

Vanadium(III) fluoride is used in various applications, including:

As a precursor for the synthesis of other vanadium compounds.
In the study of solid-state chemistry and materials science.
As a catalyst in certain chemical reactions, taking advantage of its unique electronic properties.

Safety[edit]

Handling vanadium(III) fluoride requires caution due to its reactivity and potential health hazards. It should be handled in a controlled environment, with appropriate safety measures in place to prevent exposure to the compound and its decomposition products.

Related pages[edit]

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-'''Vanadium(III) fluoride''' (VCl<sub>3</sub>) is an [[inorganic compound]] consisting of [[vanadium]] and [[fluorine]]. It is a black solid that is used in some chemical synthesis and research applications, particularly in the field of [[materials science]] and [[catalysis]]. Vanadium(III) fluoride is one of several [[vanadium halides]], compounds that include vanadium and halogen elements.
+{{DISPLAYTITLE:Vanadium(III) fluoride}}
-==Properties==
+== Vanadium(III) fluoride ==
-Vanadium(III) fluoride is characterized by its black color and solid state at room temperature. It is soluble in water, forming a green solution, indicative of the presence of vanadium(III) ions. This compound is paramagnetic, which is typical for compounds containing vanadium in the +3 oxidation state.
-==Synthesis==
+[[File:RhF3.png|thumb|right|200px|Structure of Vanadium(III) fluoride]]
-Vanadium(III) fluoride can be synthesized by reacting vanadium metal with fluorine gas at elevated temperatures. The reaction is highly exothermic and must be conducted with care to avoid uncontrolled reactions.
-\[ \text{2 V} + \text{3 F}_2 \rightarrow \text{2 VF}_3 \]
+'''Vanadium(III) fluoride''' is an inorganic compound with the chemical formula '''VF_'''. It is a member of the [[vanadium]] [[halides]] and is characterized by its distinctive properties and applications in various fields of chemistry and materials science.
-Another method involves the reduction of vanadium(V) oxide with hydrogen gas in the presence of hydrofluoric acid, which also yields vanadium(III) fluoride as a product.
+== Structure ==
-==Applications==
+Vanadium(III) fluoride adopts a [[rhombohedral]] crystal structure, similar to that of [[rhodium(III) fluoride]]. The structure is composed of vanadium atoms surrounded by six fluoride ions, forming an octahedral coordination geometry. This arrangement is typical for many transition metal fluorides and contributes to the compound's stability and reactivity.
-While not as widely used as other vanadium compounds, vanadium(III) fluoride has niche applications in the synthesis of other chemical compounds and in research settings. Its ability to act as a catalyst in certain types of chemical reactions is of particular interest in organic synthesis and materials science.
-==Safety==
+== Properties ==
-Handling vanadium(III) fluoride requires precautions due to its reactivity and toxicity. Inhalation, ingestion, or skin contact with the compound can lead to adverse health effects, and appropriate safety measures, including the use of personal protective equipment, are necessary when working with this chemical.
+Vanadium(III) fluoride is a dark green solid that is insoluble in water. It is known for its high melting point and thermal stability. The compound exhibits paramagnetic behavior due to the presence of unpaired electrons in the vanadium ion, which is in the +3 oxidation state.
+== Synthesis ==
+Vanadium(III) fluoride can be synthesized through the reaction of [[vanadium(III) oxide]] with [[hydrofluoric acid]] or by the direct fluorination of vanadium metal. The synthesis requires careful control of conditions to prevent the formation of higher oxidation state fluorides, such as [[vanadium(V) fluoride]].
+== Applications ==
+Vanadium(III) fluoride is used in various applications, including:
+* As a precursor for the synthesis of other vanadium compounds.
+* In the study of [[solid-state chemistry]] and materials science.
+* As a catalyst in certain chemical reactions, taking advantage of its unique electronic properties.
+== Safety ==
+Handling vanadium(III) fluoride requires caution due to its reactivity and potential health hazards. It should be handled in a controlled environment, with appropriate safety measures in place to prevent exposure to the compound and its decomposition products.
+== Related pages ==
+* [[Vanadium]]
+* [[Fluoride]]
+* [[Transition metal halides]]
+* [[Rhodium(III) fluoride]]
 [[Category:Vanadium compounds]]
 [[Category:Fluorides]]
-[[Category:Inorganic compounds]]
+[[Category:Transition metal halides]]
-{{Chem-stub}}