Abstract
In the title polymeric complex, {[FePt(CN)4(H2O)2]·2C3H6O} n , the FeII cation has an octa-hedral [FeN4O2] geometry being coordinated by two water mol-ecules and four cyanide anions. The Pt cation is located on an inversion centre and has a square-planar coordination environment formed by four cyanide groups. The tetra-cyano-platinate anions bridge the FeII cations to form infinite two-dimensional layers that propagate in the bc plane. Two guest mol-ecules of acetone per FeII are located between the layers. These guest acetone mol-ecules inter-act with the coordinated water mol-ecules by O-H⋯O hydrogen bonds.
Highlights
In the title polymeric complex, {[FePt(CN)4(H2O)2]Á2C3H6O}n, the FeII cation has an octahedral [FeN4O2] geometry being coordinated by two water molecules and four cyanide anions
The Pt cation is located on an inversion centre and has a square-planar coordination environment formed by four cyanide groups
The tetracyanoplatinate anions bridge the FeII cations to form infinite twodimensional layers that propagate in the bc plane
Summary
Hofmann clathrates and their analogues form one the most famous families of compounds that are able to incorporate guest molecules. The first clathrate was obtained by Hofmann and Kuspert in 1897 (Hofmann & Kuspert, 1897) and was of composition [Ni(NH3)2Ni(CN)4]Á2C6H6 It was a 2D coordination compound formed by infinite cyanometallic layers that propagate along the ab plane. The first modification was the substitution of nickel with other transition metals, as well as the introduction of other small aromatic guest molecules that resulted in the creation of compounds with the general formula [M(NH3)2M0(CN)4]Á2G (where M = Mn, Fe, Co, Ni, Cu, Zn, Cd, M0 = Ni, Pd, Pt and G = benzene, pyrrole, thiophene, aniline, biphenyl, etc.; Iwamoto, 1996). The ability of Hofmann clathrate analogues to incorporate guest molecules provided SCO-based chemical sensors (Ohba et al, 2009)
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