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Polyatomic ion in chemistry
The vanadyl ion is an oxovanadium cation, either VO2+ (called oxovanadium(IV)) or VO3+ (called oxovanadium(V)). They are functional groups that are common
Vanadyl_ion
Chemical compound
its high stability. It features the vanadyl ion, VO2+, which has been called the "most stable diatomic ion". Vanadyl sulfate is an intermediate in the extraction
Vanadyl_sulfate
Vanadyl ribonucleoside is a potent transition-state analog of ribonucleic acid and potent inhibitor of many species of ribonuclease formed from a vanadium
Vanadyl_ribonucleoside
Chemical compound
dissolving in non-oxidising acids to give the blue vanadyl ion, [VO]2+ and in alkali to give the brown [V4O9]2− ion, or at high pH [VO4]4−. VO2 has a phase transition
Vanadium(IV)_oxide
Chemical compound
Oxovanadium(IV) perchlorate is an inorganic compound containing the vanadyl ion, VO2+, and perchlorate anions, with the formula VO(ClO4)2. It is usually
Oxovanadium(IV)_perchlorate
Chemical element with atomic number 23 (V)
The vanadyl ion is also abundant in seawater, having an average concentration of 30 nM (1.5 mg/m3). Some mineral water springs also contain the ion in
Vanadium
Family of vanadium-binding proteins
vanadium in the blood cells and produce V(III) species and vanadyl ions (V(IV)) from orthovanadate ions (V(V)), with the use of NADPH as a reducing agent. Vanabins
Vanabin
Chemical compound
1993, it was discovered by X-ray crystallography that amavadin is not a vanadyl ion complex. Instead, it is an octacoordinated vanadium(IV) complex. This
Amavadin
Chemical compound
perchlorate, also known as dioxovanadium perchlorate, which contains VO2+ ions, vanadyl diperchlorate, oxovanadium perchlorate or vanadium(IV) perchlorate,
Vanadyl_perchlorate
Type of chemical compound
compounds are oxidizing agents. Vanadium(IV) compounds often exist as vanadyl derivatives, which contain the VO2+ center. Ammonium vanadate(V) (NH4VO3)
Vanadium_compounds
Properties and behavior of hydrated cations in aqueous solution
states higher than 3 form stable, aquated, oxo ions. Well known examples are the vanadyl(IV) and uranyl(VI) ions. They can be viewed as particularly stable
Metal ions in aqueous solution
Metal_ions_in_aqueous_solution
Chemical compound
oxide in such solutions: V2O5 + 2 H+ → 2 VO+2 + H2O (K = 3.42×10−2) The ion can form a complex with a single aminopolycarboxylate ligand, or with tridentate
Pervanadyl
Chemical compound
This diatomic ion is not now believed to exist. Unlike other inorganic radicals such as hydroxyl, carbonyl, chromyl, uranyl or vanadyl, according to the
Bismuthyl_(ion)
Positively charged polyatomic ion containing oxygen
like vanadyl (VO2+ and VO3+) do not exist in solution, some oxycations can be generated in the vacuum chamber of mass spectrometers. Using ion cyclotron
Oxycation
Precursor to vanadium alloys and industrial catalyst
Cl− + Cl2 Vanadates or vanadyl compounds in acid solution are reduced by zinc amalgam through the colourful pathway: The ions are all hydrated to varying
Vanadium(V)_oxide
Chemical compound with an oxygen atom
somewhat rare, one examples being nitrosonium (NO+). Some oxycations, e.g. vanadyl, are occasionally represented with abbreviated formula such as VO2+. VO2+
Oxide
Chemical compound
2001. ISBN 0-12-352651-5 Vanasse, Benoit; O'Brien, Michael K. (2001). "Vanadyl Trifluoride". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X
Vanadium(V)_oxytrifluoride
Class of chemical compounds
2013. Somasekharam, V.; Y.P. Reddy (1985). "Spectroscopic studies on vanadyl ion in rubidium magnesium sulphate hexahydrate". Solid State Communications
Tutton's_salt
Coordination complex of vanadium
Additionally a range of polyoxovanadate ions exist which include discrete ions and "infinite" polymeric ions. There are also vanadates, such as rhodium
Vanadate
Calcium vanadium phyllosilicate mineral
variety of zeolite minerals. Its blue coloring comes from vanadium, a metal ion. Discovered in 1967 in Malheur County, Oregon, cavansite is a relatively
Cavansite
Physical property of chemicals
colorless Vanadium(II) V2+ light purple Vanadium(III) V3+ dark grey-green Vanadyl(IV) VO2+ blue Vanadium(IV) (vanadite) V 4O2− 9 brown Vanadium(V) (pervanadyl)
Color_of_chemicals
Class of organic compounds
is sometimes "fingerprinted" by analysis of trace amounts of nickel and vanadyl porphyrins. Metalloporphyrins in general are highly stable organic compounds
Porphyrin
Chemical compound
"VO2F: A new transition metal oxyfluoride with high specific capacity for Li ion batteries". Journal of Materials Chemistry A. 3 (41): 20508–20515. doi:10
Vanadium_dioxide_fluoride
Ligand which connects two or more (usually metal) atoms in a coordination complex
"Flux growth of vanadyl pyrophosphate, (VO)2P2O7, and spin dimer analysis of the spin exchange interactions of (VO)2P2O7 and vanadyl hydrogen phosphate
Bridging_ligand
Chemical compound containing oxalate and phosphate anions
PMID 22539247. Do, Junghwan; Bontchev, Ranko P.; Jacobson, Allan J. (2001-08-01). "Vanadyl Oxalatophosphate Compounds (C 2 H 10 N 2 )[VO(HPO 4 )] 2 (C 2 O 4 ) and
Oxalate_phosphate
Chemical compound
VO(C5H7O2)2 Vanadyl(IV) compounds VOCl2 VOSO4 VO(CH3COO)2 Oxovanadates(IV) Lu2V2O7 Vanadium(V) V2O5 VO2F VF5 VCl5 VCl3NCl VO+ 2 Vanadyl(V) compounds
Vanadium(II)_iodide
Chemical compound
Munozriofano, R; Casteletti, L; Nascente, P (2006). "Study of the wear behavior of ion nitrided steels with different vanadium contents". Surface and Coatings Technology
Vanadium_nitride
Chemical compound
pyridine, bipyridine). A reaction with ammonium chloride yields the [Cl5VNCl]2− ion. Dehnicke, Kurt; Liebelt, Wolfgang (June 1979). "N-Halogen-Vanadiumnitridchloride
Vanadium(V) chloride chlorimide
Vanadium(V)_chloride_chlorimide
Coordination complexes with one or more phosphate ligands
phosphate, contemplated as a cathode material for batteries, is one example. Vanadyl phosphate (VOPO4(H2O)) is a commercial catalyst for oxidation reactions
Transition metal phosphate complex
Transition_metal_phosphate_complex
Inorganic chemical compound
acid. Crude TiCl4 contains a variety of other volatile halides, including vanadyl chloride (VOCl3), silicon tetrachloride (SiCl4), and tin tetrachloride
Titanium_tetrachloride
Chemical compound
carbon nanofibers (PNCNFs), which are suitable for lithium-ion storage. The storage of other ions such as potassium has also been investigated. Vanadium oxides
Vanadium(III)_oxide
Description of the electron configuration
titanocene dichloride, Schwartz's reagent. d1 Examples: molybdenum(V) chloride, vanadyl acetylacetonate, vanadocene dichloride, vanadium tetrachloride. d2 Examples:
D_electron_count
Enzyme
deficiency leads to neutrophil dysfunction. Vanadium compounds such as vanadyl sulfate have been shown to inhibit the enzyme, and thus increase the insulin
Glucose_6-phosphatase
Colour between violet and cyan on the visible spectrum of light
algicide copper(II) sulphate (CuSO4.5H2O). Similarly, vanadyl salts and solutions are often blue, e.g. vanadyl sulphate. When sunlight passes through the atmosphere
Blue
Class of chemical compounds
trichloride and acetylacetone. Vanadyl acetylacetonate is a blue complex with the formula V(O)(acac)2. This complex features the vanadyl(IV) group, and many related
Metal_acetylacetonates
Chemical compound
presence of magnesium hydroxide. It dissolves in water to form [V(H2O)6]2+ ions. V2+ + 6 H2O → [V(H2O)6]2+ J. W. Stout, W. O. J. Boo: Crystalline vanadium
Vanadium(II)_fluoride
Chemical compound
+ H+ The structure of the various protonation states of the decavanadate ion has been examined by 51V NMR spectroscopy. Each species gives three signals;
Sodium_decavanadate
Class of chemical compounds
crystal structure of the ammonium vanadyl oxalatophosphite and its controlled conversion into catalytic vanadyl phosphates". Journal of Solid State
Oxalate_phosphite
Chemical compound
give purple solutions. VCl2 dissolves in water to give the purple hexaaquo ion [V(H2O)6]2+. Evaporation of such solutions produces crystals of [V(H2O)6]Cl2
Vanadium(II)_chloride
Chemical compound
metallocene, a class of organometallic compounds that typically have a metal ion sandwiched between two cyclopentadienyl rings. In the solid state, the molecule
Vanadocene
Chemical compound
reactions, which have been analyzed by 51V NMR studies. At high pH, VO43− ions exist in equilibrium with HVO42−. At lower pH's, condensation ensues to give
Sodium_orthovanadate
German-born American crystallographer (1918-2009)
K. (1980-03-01). "Polarized X-ray absorption and double refraction in vanadyl bisacetylacetonate". Acta Crystallographica Section A. 36 (2): 237–241
Lieselotte_Templeton
Chemical compound
993(2) Å vs. four (equatorial) 2.005(2) Å. Even though V(−I) is a larger ion than V(0), the V–C distances in V(CO)− 6 are 0.07 Å shorter than in the neutral
Vanadium_hexacarbonyl
Chemical compound
The styrene oxide turns into styrene while vanadium(III) species becomes vanadyl(V) species (O=V(Mes)3). This product with V(Mes)3(THF) can form μ-oxo complex
Trimesitylvanadium
Chemical compound
(V2O5) hollow microspheres from nanorods and their application in lithium-ion batteries". Angewandte Chemie International Edition. 44 (28): 4391–4395.
Vanadium(III)_acetylacetonate
Product made by or of life forms
dehydrogenation of chlorophyll or hemin can be found in many sediments as nickel or vanadyl complexes. A large proportion of the isoprenoids in sediments are also
Biogenic_substance
Chemical compound
that features hexagonally closest-packed chloride framework with vanadium ions occupying the octahedral holes. VBr3 and VI3 adopt the same structure, but
Vanadium(III)_chloride
Technique used to enhance visual contrast of specimens observed under a microscope
thallium nitrate, thiosemicarbazide, uranyl acetate, uranyl nitrate, and vanadyl sulfate. Biological Stain Commission: Third-party quality control and certification
Staining
Chemical compound
compound is prepared by the addition of ammonium salts to solutions of vanadate ions, generated by dissolution of V2O5 in basic aqueous solutions, such as hot
Ammonium_metavanadate
Chemical compound
phosphinate typically refers to organophosphorus species. The hypophosphite ion is (H 2PO 2)− . The salts are prepared by heating white phosphorus in warm
Phosphinate
Chemical compound
crystals dissolve in water to give green solutions, characteristic of V(III) ions. The purification of vanadium metal by the chemical transport reaction involving
Vanadium(III)_iodide
VOC2O4 vanadyl oxalate VOSO4 vanadium oxysulfate 27774–13–6 V2O3 vanadium(III) oxide 1314–34–7 V2O5 vanadium pentoxide 1314–62–1 V2O74− divanadate ion pyrovanadate
Glossary_of_chemical_formulae
Chemical compound
VO(C5H7O2)2 Vanadyl(IV) compounds VOCl2 VOSO4 VO(CH3COO)2 Oxovanadates(IV) Lu2V2O7 Vanadium(V) V2O5 VO2F VF5 VCl5 VCl3NCl VO+ 2 Vanadyl(V) compounds
Vanadium_pentafluoride
Chemical compound
VO(C5H7O2)2 Vanadyl(IV) compounds VOCl2 VOSO4 VO(CH3COO)2 Oxovanadates(IV) Lu2V2O7 Vanadium(V) V2O5 VO2F VF5 VCl5 VCl3NCl VO+ 2 Vanadyl(V) compounds
Vanadium_tetrafluoride
Class of chemical compounds
fluoride (Ni3H4Nb2F20·19H2O) vanadium nickel pentafluoride (VNiF5·7H2O) vanadyl nickel tetrafluoride (VONiF4·7H2O) chromic nickelous pentafluoride (CrNiF5·7H2O)
Nickel_double_salts
reacts under neutral or acid conditions to form many compounds such as vanadyl vanadate and metal vanadates such as hewettite, hummerite, pascoite and
Paramontroseite
Coordination complex containing an oxo ligand
Winkler, Jay R.; Gray, Harry B. (2012). "Electronic Structures of Oxo-Metal Ions". In Mingos, David Michael P.; Day, Peter; Dahl, Jens Peder (eds.). Molecular
Transition_metal_oxo_complex
Group of elements in the periodic table
supplement, primarily for increasing insulin sensitivity and body-building. Vanadyl sulfate may improve glucose control in people with type 2 diabetes. In
Group_5_element
American industrial chemist
in refractive index measurements III. Structures with short [5]Ti-O and vanadyl bonds. Canadian Mineralogist 59, 107–124. Shannon RD, Fischer RX (2006)
Robert_D._Shannon
American chemist
Cohen, N.; Shlimovich, P.; Rossetti, L.; Shamoon, H. (1 May 1996). "Oral vanadyl sulfate improves insulin sensitivity in NIDDM but not in obese nondiabetic
Vincent_L._Pecoraro
Chemical compound
VO(C5H7O2)2 Vanadyl(IV) compounds VOCl2 VOSO4 VO(CH3COO)2 Oxovanadates(IV) Lu2V2O7 Vanadium(V) V2O5 VO2F VF5 VCl5 VCl3NCl VO+ 2 Vanadyl(V) compounds
Vanadium(III)_fluoride
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