Synthesis, structural and vibrational properties of microcrystalline RbNd(MoO4)2

Abstract

Rubidium neodymium dimolybdate, RbNd(MoO4)2, microcrystals have been fabricated by solid state synthesis at T=550600°C by t=324 ks. Crystal structure of RbNd(MoO4)2 has been refined by Rietveld method in space group Pbcn with cell parameters a=5.1772(1) Å, b=18.7293(4) Å, and c=8.2774(1) Å (RB=5.05%). The crystal structure of RbNd(MoO4)2 consists of layers of MoO4 tetrahedrons corner-sharing with NdO8 square antiprisms. These layers are perpendicular to b-axis of the unit cell. About 20 narrow Raman lines have been observed in Raman spectrum recorded for RbNd(MoO4)2 powder sample. © 2010 Elsevier B.V. All rights reserved.