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- W2009152072 endingPage "2069" @default.
- W2009152072 startingPage "2069" @default.
- W2009152072 abstract "Two series of solid solutions based on the [Fe(bpp)2][BF4]2 (bpp = 2,6-di(pyrazol-1-yl)pyridine) spin-crossover lattice are described. Materials of formula [FeyNi1−y(bpp)2][BF4]2 (0.95 ≥ x ≥ 0.15) are all phase-pure. In contrast, [Fe(bpp)2]x[Ru(terpy)2]1−x[BF4]2 (0.95 ≥ x ≥ 0.28) crystallise as a mixture of the neat [Fe(bpp)2][BF4]2 (space group P21) and [Ru(terpy)2][BF4]2 (Cc) phases as x approaches 0.5, although there is no evidence of segregation of the iron and ruthenium centres between the two. Spin-crossover in [FeyNi1−y(bpp)2][BF4]2 shows a normal variation in T½, ΔH, ΔS and lattice elasticity with decreasing y, for an isomorphously doped material. However, T½ in [Fe(bpp)2]x[Ru(terpy)2]1−x[BF4]2 shows an unusual dependence on x, which decreases slightly for 1.00 ≥ x ≥ 0.57 but increases as x is reduced further. We attribute this anomaly to the change in structure of the solid solutions, from predominantly the P21 lattice when x ≥ 0.47 to the Cc lattice when x = 0.28. The ruthenium centres in those compounds retain their low-temperature fluorescence, albeit with strongly reduced emission intensities. An unusual dependence of ΔH and ΔS for the spin transition in [Fe(bpp)2][BF4]2 on the crystallisation solvent used is also noted." @default.
- W2009152072 created "2016-06-24" @default.
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- W2009152072 creator A5046395431 @default.
- W2009152072 creator A5047034501 @default.
- W2009152072 date "2009-01-01" @default.
- W2009152072 modified "2023-09-28" @default.
- W2009152072 title "Co-crystallising two functional complex molecules in a terpyridine embrace lattice" @default.
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- W2009152072 doi "https://doi.org/10.1039/b904528g" @default.
- W2009152072 hasPublicationYear "2009" @default.
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