Chandrasekhar, Vadapalli ; Kingsley, Savariraj ; Rhatigan, Brian ; Lam, Matthew K. ; Rheingold, Arnold L. (2002) New structural forms in molecular metal phosphonates: Novel tri- and hexanuclear Zinc(II) cages containing phosphonate and pyrazole ligands Inorganic Chemistry, 41 (5). pp. 1030-1032. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic011154y
Related URL: http://dx.doi.org/10.1021/ic011154y
Abstract
The reaction of ZnCl2 with tert-butylphosphonic acid and 3,5-dimethylpyrazole in the presence of triethylamine as a hydrogen chloride scavenger affords a trinuclear molecular zinc phosphonate [Zn3Cl2(3,5-Me2Pz)4(t-BuPO3)2]. The structure of this compound contains a planar trizinc assembly containing two bicapping μ 3 [t-BuPO3]2- ligands and terminal pyrazole and chloride ligands. In contrast an analogous reaction of ZnCl2 with phenylphosphonic acid and 3,5-dimethylpyrazole affords a hexanuclear zinc phosphonate [Zn6Cl4(3,5-Me2PzH)8(PhPO3)4]. The six zinc centers are arranged in a chairlike conformation. The four phosphonates in this complex also act as bridging tripodal μ 3 [RPO3]2- ligands.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 8930 |
| Deposited On: | 28 Oct 2010 10:32 |
| Last Modified: | 28 Oct 2010 10:32 |
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