Synthese und Struktur einer neuen Form von CuYMo2O8

Synthesis and Structure of a New form of CuYMo₂O₈ Single crystals of a new form of CuYMo₂O₈ were prepared and investigated by X-ray diffractometer technique [space group D-Pbca; a = 10.160 Å, b = 9.701 Å, c = 14.527 Å; Z = 8]. CuYMo₂O₈ represents a new structure type characterised by MoO₄-tetrahedrons, Cu⁺ with coordination number 2 + 1 and square antiprisms around Y³⁺. The crystal structure and the Cu⁺ coordination are discussed.