Syntheses, structural and characterizations of a new anhydrous mixed-metal phosphate

• The first compound in the Ba–Bi–M–P–O (M = transition metal) quinary anhydrous system.
• 2D open framework building from the layer of [Bi2CoP2O10]2−∞ parallel to the bc plane.
• The Bi3+ cations contain two kinds of coordination (5 and 7) with strong stereoactivity of their 6s2 lone pairs.
• The results of magnetic property measurement evidence on the antiferromagnetic property of BaBi2CoP2O10.

A new mixed-metal phosphate of BaBi2CoP2O10 was synthesized by high temperature solution growth (HTSG) method and structurally characterized by X-ray single crystal diffraction and powder diffraction for the first time. The title compound crystallizes in the monoclinic system with space group P2(1)/c and represents the first compound in the Ba–Bi–M–P–O (M = transition metal) quinary anhydrous system, which structure features a novel 2D open framework which can be considered as building from the layers of [Bi2CoP2O10]2−∞ parallel to the bc plane interconnected by corner or bridge sharing of BiO5, BiO7, CoO6, and PO4 groups, where Ba2+ cations are located in the space between two adjacent layers. It is worth to note that the Bi3+ cations containing two kinds of coordinations (5 and 7) show stereochemically activities of their 6s2 lone pairs. The results of magnetic property measurements evidence on the antiferromagnetic property of BaBi2CoP2O10.

A new anhydrous mixed-metal phosphate, namely, BaBi2CoP2O10, has been syntheses, structural discussion and characterizations for the first time.Figure optionsDownload as PowerPoint slide