New class of coordination compounds with noble gas fluorides as ligands to metal ions |
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Authors: | G Tav?ar |
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Institution: | Jo?ef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia |
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Abstract: | A new class of coordination compounds of the type Mn+(L)p](AF6−)n and Mn+(L)r](BF4−)n, where M is Mg, Ca, Sr, Ba, Cd, Pb, lanthanides, A is P, As, Sb, Bi and L is XeF2, XeF4, XeF6, KrF2, was studied. A review of all known coordination compounds with L is XeF2 is given: (a) synthetic routes for the preparation of these compounds; (b) analysis of their crystal structures (molecular, dimer, chain, double chain, layer, strongly interconnected double layers and three-dimensional network); (c) the influence of the ligand XeF2 (small formula volume, linear, semi-ionic, charge of −0.5e on each F ligand); (d) the influence of the central metal ion; (e) the influence of the anions: AF6− and BF4− (the formula volume, Lewis basicity). On the basis of all properties of the metal ions, ligand and anions the obtained variety of the structures is analyzed. |
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Keywords: | Xenon fluorides Ligands to metal ion Arsenates(V) Antimonates(V) Phosphates(V) |
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