A tetranuclear oxofluorovanadium(IV) cluster encapsulating a Na(H 2O)n + subunit

Tiffany M. Smith, Nika Mahne, Andrey Prosvirin, Kim R. Dunbar, Jon A Zubieta

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Hydrothermal reactions of sodium vanadate, methylenediphosphonic acid, hydrogen fluoride and the appropriate organoamine yielded the vanadium(IV)-oxyfluoride compounds [NH3(CH2) 2(NH2)(CH2)2NH3] 3[{Na(H2O)} ⊂ {V4O4F 2(O3PCH2PO3)4}] ·8H2O (1·8H2O) and [NH3(CH 2)2(NH2)(CH2)2(NH 2)(CH2)NH3]2[{Na(H2O)} ⊂ {V4HO4F2(O3PCH 2PO3)4}]·7H2O (2·7H2O). The vanadium-oxyfluoride cationic unit {V 4O4F2(O3PCH2PO 3)4}10 - of the compounds consists of pairs of fluoride bridged {VFO5} octahedra linked through η4- diphosphonate ligands into a three polyhedra thick band. The {Na(H 2O)n}+ groups occupy the interior of the band but are displaced from the centroid toward one face so as to project the aqua ligands into the extra-annular domain. The fluoride ligands bridge two vanadium sites as well as coordinating to the sodium cation.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalInorganic Chemistry Communications
Volume33
DOIs
StatePublished - Jul 2013

Fingerprint

Vanadium
encapsulating
vanadium
oxyfluorides
Ligands
Fluorides
ligands
fluorides
Sodium
sodium
Hydrofluoric Acid
Vanadates
vanadates
hydrofluoric acid
Diphosphonates
polyhedrons
centroids
Cations
Positive ions
methylidyne

Keywords

  • Magnetic properties of vanadium(IV) tetranuclear clusters
  • Oxofluorovanadium(IV) cluster
  • Sodium cation encapsulation
  • Vanadium-organophosphonate cluster
  • X-ray structure

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

A tetranuclear oxofluorovanadium(IV) cluster encapsulating a Na(H 2O)n + subunit. / Smith, Tiffany M.; Mahne, Nika; Prosvirin, Andrey; Dunbar, Kim R.; Zubieta, Jon A.

In: Inorganic Chemistry Communications, Vol. 33, 07.2013, p. 1-5.

Research output: Contribution to journalArticle

Smith, Tiffany M. ; Mahne, Nika ; Prosvirin, Andrey ; Dunbar, Kim R. ; Zubieta, Jon A. / A tetranuclear oxofluorovanadium(IV) cluster encapsulating a Na(H 2O)n + subunit. In: Inorganic Chemistry Communications. 2013 ; Vol. 33. pp. 1-5.
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AU - Dunbar, Kim R.

AU - Zubieta, Jon A

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N2 - Hydrothermal reactions of sodium vanadate, methylenediphosphonic acid, hydrogen fluoride and the appropriate organoamine yielded the vanadium(IV)-oxyfluoride compounds [NH3(CH2) 2(NH2)(CH2)2NH3] 3[{Na(H2O)} ⊂ {V4O4F 2(O3PCH2PO3)4}] ·8H2O (1·8H2O) and [NH3(CH 2)2(NH2)(CH2)2(NH 2)(CH2)NH3]2[{Na(H2O)} ⊂ {V4HO4F2(O3PCH 2PO3)4}]·7H2O (2·7H2O). The vanadium-oxyfluoride cationic unit {V 4O4F2(O3PCH2PO 3)4}10 - of the compounds consists of pairs of fluoride bridged {VFO5} octahedra linked through η4- diphosphonate ligands into a three polyhedra thick band. The {Na(H 2O)n}+ groups occupy the interior of the band but are displaced from the centroid toward one face so as to project the aqua ligands into the extra-annular domain. The fluoride ligands bridge two vanadium sites as well as coordinating to the sodium cation.

AB - Hydrothermal reactions of sodium vanadate, methylenediphosphonic acid, hydrogen fluoride and the appropriate organoamine yielded the vanadium(IV)-oxyfluoride compounds [NH3(CH2) 2(NH2)(CH2)2NH3] 3[{Na(H2O)} ⊂ {V4O4F 2(O3PCH2PO3)4}] ·8H2O (1·8H2O) and [NH3(CH 2)2(NH2)(CH2)2(NH 2)(CH2)NH3]2[{Na(H2O)} ⊂ {V4HO4F2(O3PCH 2PO3)4}]·7H2O (2·7H2O). The vanadium-oxyfluoride cationic unit {V 4O4F2(O3PCH2PO 3)4}10 - of the compounds consists of pairs of fluoride bridged {VFO5} octahedra linked through η4- diphosphonate ligands into a three polyhedra thick band. The {Na(H 2O)n}+ groups occupy the interior of the band but are displaced from the centroid toward one face so as to project the aqua ligands into the extra-annular domain. The fluoride ligands bridge two vanadium sites as well as coordinating to the sodium cation.

KW - Magnetic properties of vanadium(IV) tetranuclear clusters

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KW - Sodium cation encapsulation

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