Solid state coordination chemistry of metal-azolate compounds: Structural consequences of incorporation of phosphate components in the Co(II)/4-pyridyltetrazolate/phosphate system

Kari Darling, Jon A Zubieta

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8 Citations (Scopus)

Abstract

The hydrothermal reactions of a cobalt(II) salt and 5-(4-pyridyl)tetrazole in the presence of phosphate provided two three-dimensional materials of the M(II)/azolate/anion family [Co 3(4-pt) 3(PO 4)] (1) and [Co 3(H 2O) 4(4-pt) 2(HOPO 3) 2] (2) (M(II) = Co; azolate = 5-(4-pyridyl)tetrazole or 4-Hpt; and anion = PO 4 3- (1) and HPO 4 2- (2)). The structures are characterized by the incorporation of metal cluster secondary building units (SBU). The structure of 1 features a variant of the common {M 33-O)} sbu with the central bridging ligand provided by a phosphate oxygen rather than the more common oxo- or hydroxy-ligand. These trinuclear units are bridged through the remaining phosphate oxygen donors into chains which are in turn linked through the pyridyltetrazolate ligands into the framework structure. In the case of compound 2, {Co 3(H 2O) 4} 6+ linear trinuclear secondary building units are linked to four adjacent clusters through {HOPO 3} 2- tetrahedra to generate cobalt(II)-hydrogen phosphate layers, which are linked through the 4-pt ligands into the overall framework.

Original languageEnglish (US)
Pages (from-to)512-518
Number of pages7
JournalInorganica Chimica Acta
Volume394
DOIs
StatePublished - Jan 1 2013

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metal compounds
phosphates
Phosphates
Metals
Ligands
chemistry
solid state
tetrazoles
ligands
Cobalt
Anions
Negative ions
cobalt
Oxygen
anions
oxygen
metal clusters
tetrahedrons
Hydrogen
Salts

Keywords

  • Cobalt(II)-tetrazolate crystal structures
  • Cobalt/pyridyltetrazolate/phosphate compounds
  • Hydrothermal synthesis

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

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title = "Solid state coordination chemistry of metal-azolate compounds: Structural consequences of incorporation of phosphate components in the Co(II)/4-pyridyltetrazolate/phosphate system",
abstract = "The hydrothermal reactions of a cobalt(II) salt and 5-(4-pyridyl)tetrazole in the presence of phosphate provided two three-dimensional materials of the M(II)/azolate/anion family [Co 3(4-pt) 3(PO 4)] (1) and [Co 3(H 2O) 4(4-pt) 2(HOPO 3) 2] (2) (M(II) = Co; azolate = 5-(4-pyridyl)tetrazole or 4-Hpt; and anion = PO 4 3- (1) and HPO 4 2- (2)). The structures are characterized by the incorporation of metal cluster secondary building units (SBU). The structure of 1 features a variant of the common {M 3(μ 3-O)} sbu with the central bridging ligand provided by a phosphate oxygen rather than the more common oxo- or hydroxy-ligand. These trinuclear units are bridged through the remaining phosphate oxygen donors into chains which are in turn linked through the pyridyltetrazolate ligands into the framework structure. In the case of compound 2, {Co 3(H 2O) 4} 6+ linear trinuclear secondary building units are linked to four adjacent clusters through {HOPO 3} 2- tetrahedra to generate cobalt(II)-hydrogen phosphate layers, which are linked through the 4-pt ligands into the overall framework.",
keywords = "Cobalt(II)-tetrazolate crystal structures, Cobalt/pyridyltetrazolate/phosphate compounds, Hydrothermal synthesis",
author = "Kari Darling and Zubieta, {Jon A}",
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T2 - Structural consequences of incorporation of phosphate components in the Co(II)/4-pyridyltetrazolate/phosphate system

AU - Darling, Kari

AU - Zubieta, Jon A

PY - 2013/1/1

Y1 - 2013/1/1

N2 - The hydrothermal reactions of a cobalt(II) salt and 5-(4-pyridyl)tetrazole in the presence of phosphate provided two three-dimensional materials of the M(II)/azolate/anion family [Co 3(4-pt) 3(PO 4)] (1) and [Co 3(H 2O) 4(4-pt) 2(HOPO 3) 2] (2) (M(II) = Co; azolate = 5-(4-pyridyl)tetrazole or 4-Hpt; and anion = PO 4 3- (1) and HPO 4 2- (2)). The structures are characterized by the incorporation of metal cluster secondary building units (SBU). The structure of 1 features a variant of the common {M 3(μ 3-O)} sbu with the central bridging ligand provided by a phosphate oxygen rather than the more common oxo- or hydroxy-ligand. These trinuclear units are bridged through the remaining phosphate oxygen donors into chains which are in turn linked through the pyridyltetrazolate ligands into the framework structure. In the case of compound 2, {Co 3(H 2O) 4} 6+ linear trinuclear secondary building units are linked to four adjacent clusters through {HOPO 3} 2- tetrahedra to generate cobalt(II)-hydrogen phosphate layers, which are linked through the 4-pt ligands into the overall framework.

AB - The hydrothermal reactions of a cobalt(II) salt and 5-(4-pyridyl)tetrazole in the presence of phosphate provided two three-dimensional materials of the M(II)/azolate/anion family [Co 3(4-pt) 3(PO 4)] (1) and [Co 3(H 2O) 4(4-pt) 2(HOPO 3) 2] (2) (M(II) = Co; azolate = 5-(4-pyridyl)tetrazole or 4-Hpt; and anion = PO 4 3- (1) and HPO 4 2- (2)). The structures are characterized by the incorporation of metal cluster secondary building units (SBU). The structure of 1 features a variant of the common {M 3(μ 3-O)} sbu with the central bridging ligand provided by a phosphate oxygen rather than the more common oxo- or hydroxy-ligand. These trinuclear units are bridged through the remaining phosphate oxygen donors into chains which are in turn linked through the pyridyltetrazolate ligands into the framework structure. In the case of compound 2, {Co 3(H 2O) 4} 6+ linear trinuclear secondary building units are linked to four adjacent clusters through {HOPO 3} 2- tetrahedra to generate cobalt(II)-hydrogen phosphate layers, which are linked through the 4-pt ligands into the overall framework.

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