Solid-state coordination chemistry of molybdenum oxides with di-2-picolylamine (pca): The hydrothermal syntheses and structures of the molecular cluster [{Ni(pca)(H2O)}(2)Mo8O26], the two-dimensional [{Cu (pca)}(2)Mo8O26], and the one-dimensional [{C

摘要

The hydrothermal reaction of di-2-picolylamine (pea), MoO3 and NiSO4.6H(2)O yielded the bimetallic oxide cluster [{Ni (pca) (H2O)}(2)Mo8O26] . 2H(2)O (1.2H(2)O). Similarly, the reaction of pea, MoO3 and CuSO4.5H(2)O produced the two-dimensional material [{Cu(pca)}(2)Mo8O26] (2). The structure of 1 consists of beta-{Mo8O26}(4-) clusters, decorated with {Ni (pca) (H2O)}(2+) subunits, linked to terminal molybdenyl ({Mo=O} moieties. The structure of 2 also contains beta-{Mo8O26}(4-) clusters as building blocks; however, in this instance, the {Cu (pca)}(2+) subunits serve to bridge adjacent clusters into a two-dimensional network. The hydrothermal reaction of pca and CuSO4.5H(2)O with MoO2 in place of MoO3 produced [{Cu-3(pca)(3)MoO4} Mo8O26] . 2H(2)O (3.2H(2)O), a one-dimensional material, constructed from beta-{Mo8O26}(4-) clusters linked through unusual {Cu-3(pca)(3)MoO4}(4+) subunits. Crystal data: C12H17N3O15Mo4Ni (1.2H(2)O): triclinic P (1) over bar, a=9.4024(5) Angstrom, b = 10.9729 (6) Angstrom, c = 11.4183 (6) Angstrom, alpha = 102.710(1)degrees, beta = 99.731(1)degrees, gamma = 90.021(1)degrees, V = 1131.8(1) Angstrom(3), Z = 2, D-calc = 2.596 g cm(-3); C12H13N3O13Mo4Cu (2): monoclinic P2(1), a = 12.1547 (4) Angstrom, b = 12.5412 (4) Angstrom, c = 14.1160 (4) Angstrom, beta = 92.746 (1)degrees, V = 2149.30) Angstrom(3), Z = 4, D-calc =2.638 g cm(-1); C36H43Cu3 Mo9N9O32 (3.2H(2)O), monoclinic, P2(1)/c, a= 17.9115(6) Angstrom, b = 14-3637(5) Angstrom, c = 22.6795(8) Angstrom, beta = 94.744(1)degrees, V = 5814.9(3) Angstrom(3), Z = 4, D-calc = 2.476 g cm(-3). (C) 2002 Elsevier Science (USA). [References: 24]