Publication Date:
2003-10-11
Description:
Both of the title compounds, catena-poly[[[tetraaquamagnesium(I)]-μ-4,4′-bipyridine-κ2 N:N′] diiodide bis(4,4′-bipyridine) solvate], {[Mg(C10H8N2)(H2O)4]I2·2C10H8N2} n , (I), and catena-poly[[[μ-4,4′-bipyridine-bis[diiodobis(propan-1-ol)strontium(I)]]-di-μ-4,4′-bipyridine-κ4 N:N′] bis(4,4′-bipyridine) solvate], {[Sr2I4(C10H8N2)3(C3H8O)4]·2C10H8N2} n , (II), are one-dimensional polymers which are single- and double-stranded, respectively, the metal atoms being linked by the 4,4′-bipyridine moieties. The Mg complex, (I), is [cis-{(H2O)4Mg(N-4,4′-bipyridine-N′)(2/2)}]( ∞|∞ )I2·4,4′-bipyridine and Mg has a six-coordinate quasi-octahedral coordination environment. The Sr complex, (II), is isomorphous with its previously defined Ba counterpart [Kepert, Waters & White (1996). Aust. J. Chem. 49, 117–135], being [(propan-1-ol)2I2Sr(N-4,4′-bipyridine-N′)(3/2)]( ∞|∞ )·4,4′-bipyridine, with the I atoms trans-axial in a seven-coordinate pentagonal–bipyramidal Sr environment.
Print ISSN:
0108-2701
Electronic ISSN:
1600-5759
Topics:
Chemistry and Pharmacology
,
Geosciences
,
Physics
Permalink