Raman and IR spectra of noncentrosymmetric Bi0.21La0.91Sc2.88(BO3)4 single crystal with the huntite‐type structure

Single crystals of optical nonlinear borate, Bi_0.21La_0.91Sc_2.88(BO₃)₄, were grown and polarized Raman and IR spectra were recorded for this material at room temperature. The spectra have been discussed on the factor group approach for the trigonal R32 (D₃⁷) space group with Z = 3. The assignment of the observed bands to the respective internal and lattice modes is proposed. Copyright © 2010 John Wiley & Sons, Ltd.