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Issue 10, 1996
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Synthesis and X-ray molecular structures of the silver(I) amides [{Ag[µ-N(SiMe3)2]}4] and [{Ag[µ-NCMe2(CH2)3CMe2]}4]


The thermally stable silver(I) amides [{Ag(µ-NR2)}4](R = SiMe3) 1 and [{Ag(µ-NR′2)}4][NR′2= [graphic omitted]Me2] 2, prepared from AgNCO and Sn(NR2)2 or Sn(NR′2)2, or for 1 also from M(NR2)2(M = Pb or Yb) or [{Sn(µ-F)NR2}2], are centrosymmetric, tetranuclear clusters comprising a square of Ag atoms [mean Ag⋯Ag 3.001(2)Å for 1 and 2.995(2)Å for 2] linked by singly bridging amido groups [mean Ag–N 2.148(5)Å for 1 and ranging from 2.126(7) to 2.184(7)Å for 2], the (AgN)4 macrocycle being planar for 1 but puckered for 2, and the N–Ag–N′ and Ag–N–Ag′ arrangements being essentially linear and rectangular, respectively.

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Article type: Paper
DOI: 10.1039/CC9960001189
Citation: Chem. Commun., 1996,0, 1189-1190
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    Synthesis and X-ray molecular structures of the silver(I) amides [{Ag[µ-N(SiMe3)2]}4] and [{Ag[µ-NCMe2(CH2)3CMe2]}4]

    P. B. Hitchcock, M. F. Lappert and L. J.-M. Pierssens, Chem. Commun., 1996, 0, 1189
    DOI: 10.1039/CC9960001189

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