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Title: | A route to small clusters: a twisted half-hexagram-shaped M4(OH)4 cluster and its capacity for hosting closed-shell metals |
Authors: | Ara, Irene CSIC; García-Monforte, M. Ángeles CSIC; González, Rocío; Falvello, Larry R. CSIC ORCID; Tomás, Milagros CSIC ORCID | Issue Date: | 2017 | Publisher: | Royal Society of Chemistry (UK) | Citation: | Chemical Communications 53(98): 13121-13124 (2017) | Abstract: | By combining different oxidation states, coordination indices and bridging systems, it has been possible to obtain the structurally novel M4(OH)4 cluster core (M = transition metal) found in the organometallic compound (NBu4)2[PtIVPt(C6Cl5)8(μ2-OH)2(μ3-OH)2] (1). The cluster is formed by two (μ3-OH) and two (μ2-OH) units that bond platinum atoms in different oxidation states. The cluster core geometry can best be described as a half-hexagram. Compound 1 is an excellent precursor for preparing heterometallic clusters since it can host d10 or s2 Lewis-acid metal centers through Pt→M dative bonds, as demonstrated by its reaction with Ag(i) to produce the heterometallic [Ag2PtIVPt(C6Cl5)8(μ2-OH)2(μ3-OH)2] (2), which has four unbridged Pt-Ag bonds. | Publisher version (URL): | https://doi.org/10.1039/C7CC07712B | URI: | http://hdl.handle.net/10261/181748 | DOI: | 10.1039/c7cc07712b | ISSN: | 1359-7345 | E-ISSN: | 1364-548X |
Appears in Collections: | (ISQCH) Artículos (ICMA) Artículos |
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