title: Grid expansion: a rhombiclike [L4Fe2(Ag2)2] complex containing Ag2 dumbbells at two vertices.
abstract: The pyrazolate-based ditopic ligand HL forms a strongly hydrogen-bonded corner complex dimer [Fe(II)(HL)(2)](2)(BF(4))(4) (1) with a [2 × 2] gridlike arrangement of four ligand strands. The two empty vertices can then be filled with {Ag(2)}(2+) dumbbells, yielding the unprecedented diferric complex [L(4)Fe(III)(2)(Ag(I)(2))(2)](BF(4))(6) (2) that features a rhombiclike structure with an almost planar hexagon of metal ions.
authors.affiliation: Institute of Inorganic Chemistry, Georg-August-University Göttingen, Tammannstraße 4, D-37077 Göttingen, Germany.
authors.forename: Benjamin
authors.initials: B
authors.lastname: Schneider
authors.forename: Serhiy
authors.initials: S
authors.lastname: Demeshko
authors.forename: Sebastian
authors.initials: S
authors.lastname: Dechert
authors.forename: Franc
authors.initials: F
authors.lastname: Meyer