Y[Fe1−xCox(CN)6]·4H2O (0 ⩽ x ⩽ 1) solid solutions: Synthesis, crystal structure, thermal decomposition and spectroscopic and magnetic properties

► The series of solid solutions Y[Fe1−xCox(CN)6]·4H2O were prepared and characterized. ► The crystal structures were refined using Rietveld analysis with PXRD data. ► Y[Fe1−xCox(CN)6]·4H2O complexes crystallize in the orthorhombic crystal system, space group Cmcm. ► Magnetic measurements reveal that all the complexes show anti-ferromagnetic interactions at low temperatures. ► According to thermal analysis, YFe1−xCoxO3 oxides with perovskite-type structure were obtained.