Hydrated Dodecatungstatosilicate Complex with Protonated 1,2-Phenylenediamine (C 6 H 9 N 2 ) 3 (H 3 O)SiW 12 O 40 · 8H 2 O: Synthesis and Crystal Structure

The hydrated dodecatungstatosilicate complex with protonated ortho-phenylenediamine (C6H9N2)3(Н3O)SiW12O40 · 8H2O has been synthesized and studied by X-ray diffraction. Crystals are triclinic, space group Р-1, a = 13.6817(5) A, b =1 4.5915(5) A, с = 15.8844(5) A, α = 98.891(3)°, β = 101.836(3)°, γ = 114.156(2)°, V = 2729.05(16) A3, ρcalcd = 4.100 g/cm3, Z = 2.