Structure directing effects of different templates on the packing arrangements of the polyoxomolybdenum(V) organophosphonate ion {Na[Mo6O12(OH)(3)(O3PC6H5)(4)](2)}(9-)

摘要

Hydrothermal reactions in the system Mo, MoO42-, Na+, H2O3PC6H5, and R4N (R = CH3, C3H7) yielded two compounds Na-6 [(CH3)(4)N](3){Na[Mo6O12(OH)(3)(O3PC6H5)(4)](2)} . 27.5 H2O 2, and Na-6[(C3H7)(2)NH2](2)(C3H7)NH3 {Na[Mo6O12(OH)(3)(O3PC6H5)(4)](2)} . 4 H2O 4. The crystal structures of 2 and 4 are compared to the known structures of (NH4)(5)Na-4{Na[Mo6O12(OH)(3)(O3PC6H5)(4)](2)} . 6 H2O 1 and Na-3(H3O)(4) [(C2H5)(4)N](2) {Na[Mo6O12(OH)(3)(O3PC6H5)(4)](2)} . similar to 14 H2O 3 and the influence of the ammonium cations on the structure is assessed. While 1-3 are structures ofa ribbon motif, compound 4 is a layered structure because of the decomposition of the tetrapropylammonium ions during the synthesis conditions. (C) 1998 Elsevier Science Ltd. All rights reserved. [References: 14]