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Updated: Jul 19, 2026
Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
Published on: May 12, 2023
A traditional synthetic method, and a new structural motif, for molybdenum-gold clusters: synthesis and solid-state
Roberto Della Pergola1, Luigi Garlaschelli, Maria Carlotta Malatesta
1Dipartimento di Scienze dell' Ambiente e del Territorio, Università di Milano Bicocca, piazza della Scienza 1, 20126 Milano, Italy. roberto.dellapergola@unimib.it
Abstract:
The neutral cluster [Au8Mo4(CO)20(PPh3)4] was synthesized in low yield from [AuCl(PPh3)] and [Mo2(CO)10]2- in acetonitrile at room temperature. The cluster was characterized by X-ray analysis, IR, and 31P NMR spectroscopy. Its solid-state structure consists of four Au(3)Mo tetrahedral units, fused by four Au atoms in a ring. The average bond lengths are Au-Au 2.77 Angstrom and Mo-Au 2.93 Angstrom. The internal angles of the planar square ring are very close to 90 degrees.
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