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The new compounds (IVa,b) and (VI) are characterized by powder and single crystal XRD, IR and UV/VIS diffuse reflectance spectroscopy, thermogravimetric analyses, ion-exchange experiments, and SEM/EDX. [ABSTRACT FROM AUTHOR]

The new title compounds are hydrothermally synthesized from aqueous mixtures of A2CO3 (A: Na, K, Rb, Cs), Sc(NO3)3 (or ScO3), and SeO2 (autoclave, 180-230 °C, 3-4 d, 66, 69, 57, and 73% yield for the Na-, K-, Rb-, and Cs-containing compound, respectively). [ABSTRACT FROM AUTHOR]

Rb3HGa2(OH)2(SeO3)4 (I), Rb3Ga5(SeO3)8 (HSeO3)2·0.5H2O (II), and RbGa(SeO3)2·H2O (III) are synthesized by hydrothermal reactions of appropriate amounts of Rb2CO3, Ga(NO3)3, and SeO2 (autoclave, 230 °C, 4 d, yields of 33%, 38%, and 40%, resp.). [ABSTRACT FROM AUTHOR]

The structures of (IVa) (tetragonal, space group I $\bar 4$2d, Z = 8), (IVb,c) (orthorhombic, Pnma, Z = 4) and (IVb) (monoclinic, C2/m, Z = 8) are determined by single-crystal XRD. [ABSTRACT FROM AUTHOR]

Single crystals of MNbO(SeO3)2 (M: Na, K, Rb, Cs) are grown by solid state reaction of M2CO3 and Nb2O5 in a reactive SeO2 flux (evacuated silica tubes, 400 °C, 3 d; cooling to 25 °C at a rate of 6 °C/h). [ABSTRACT FROM AUTHOR]

The new compounds (III), (VI), and (VIII) are characterized by single crystal XRD, vibrational, and UV/VIS spectroscopy. [ABSTRACT FROM AUTHOR]

Single crystals of the title compounds are hydrothermally prepared from aqueous mixtures of Y(NO3)3, M2CO3 (M: Na, K, Rb, and Cs), and SeO2 (autoclave, 230 °C, 4 d, 98, 99, 99, and 90% yield for Na, K, Rb, and Cs compounds, resp.). [ABSTRACT FROM AUTHOR]

Crystal structures of compounds (IV), (VII), and (X) are determined by single crystal XRD. [ABSTRACT FROM AUTHOR]

Crystals of MIn(SeO3)2 with M: Na, K are synthesized by solid state reaction of MInO2 and SeO2 (650 °C, 48 h). [ABSTRACT FROM AUTHOR]

The new title compounds (IV) and (VI) crystallize isostructurally in the centrosymmetric triclinic space group P $\bar 1$ with Z = 2 (single crystal XRD). [ABSTRACT FROM AUTHOR]

YNbTe2O8 (I) and YNbSe2O8 (II) are prepared by solid state reaction of Y2O3, Nb2O5, and TeO2 or SeO2 (evacuated silica tubes, 900 °C, 2 d; cooling to 600 °C with a rate of 6 °C/h). [ABSTRACT FROM AUTHOR]

Single crystals of the title compound are grown by hydrothermal reaction of SrCO3, Bi2O3, and SeO2 in the molar ratio 3:5:6 (H2O, autoclave, 230 °C, 4 d; 77% yield). [ABSTRACT FROM AUTHOR]

Y2MoSe3O12 (I) and Y2MoTe3O12 (II) are prepared by solid state reactions of stoichiometric amounts of Y2O3, MoO3, and SeO2 or TeO2 (evacuated silica tubes, 700 resp. [ABSTRACT FROM AUTHOR]

The new title compounds are structurally characterized by single crystal XRD. [ABSTRACT FROM AUTHOR]