Synthesis and structural characterisation of silver(I) compounds with nitrogen ligands

Synthesis of [Ag(NHCMe2)2]ClO4and Its Use as a Source of Acetimine. 1. Synthesis of the First Acetimine Rhodium Complexes and the First Crystal Structure of a Diacetonamine Complex

“…The crystal structure of the title compound (Figures and ) consists of perchlorate anions and [Ag{H 2 NC(Me) 2 CH 2 C(O)Me}(PTo 3 )] + cations in which the silver atom is surrounded by the atoms P, N, and (at the greater distance of 2.6568(11) Å) O(2) to give an essentially planar but distorted T-shaped environment [P−Ag−N 167.08(4)°, N−Ag−O(1) 81.16(5)°, P−Ag−O(1) 111.62(3)°]. There is only one reported crystal structure of a silver complex containing a primary amine and a phosphine (PMe 3 ) . Its Ag−P (2.373 Å) and Ag−N (2.367 Å) distances are greater than those in our complex [2.3385(4) and 2.1677(14) Å, respectively].…”

catena-Poly[[silver(I)-μ-tris(2-aminoethyl)amine-κ4N,N′,N′′:N′′′] perchlorate]

“…On the other hand, silver(I) also exhibits coordination diversity when coordinated by organic or inorganic ligands (Liu et al, 2004;Yang et al, 2000;Zhu et al, 2003;Zhu, Qiu et al, 2004). We found that different anions can affect the construction of silver(I) coordination polymers with tren; for example, the reaction of AgNO 3 with tren gives a twodimensional polymer (Zhang et al, 2001) and AgPF 6 with tren gives a one-dimensional polymer (Plappert et al, 1997). As an extension of our work on the structural characterization of silver(I) complexes, the structure of the title compound, (I), a one-dimensional silver(I) coordination polymer, is reported here.…”

“…Of these ligands, tris(2-aminoethyl)amine (tren) represents an important family of organic molecules. Tren can interact with many transition metal ions to give rise to a wide variety of supramolecular coordination structures by virtue of the fact that it possesses four coordination sites, tripodal topology and rare " 2 -, " 3 -and " 4 -bridging abilities (Hagen et al, 1988;Masters et al, 1999;Plappert et al, 1997;Sakai et al, 1996). On the other hand, silver(I) also exhibits coordination diversity when coordinated by organic or inorganic ligands (Liu et al, 2004;Yang et al, 2000;Zhu et al, 2003;Zhu, Qiu et al, 2004).…”

Synthesis and Structures of Compounds Based on Chalcocyanide Tetranuclear Rhenium Clusters: Bonding Cluster Complexes by diene‐Bridged CuII Units

“…[15] There are only two known examples of metal compounds (both Ag-containing complexes) with bridging dien ligands. [16] From the structure analyses we conclude that the coordination of copper atoms is very important: it determines not only the stoichiometry but also the main features of the crystal structure. Evidently, in solutions of these systems, which contain two competitive N-donor ligands, NH 3 and dien, some cationic complexes Ϫ monomeric [Cu(NH 3 )(dien)] 2ϩ , and oligomeric [(dien)CuϪ(µ-dien)Ϫ Cu(dien)] 4ϩ and [(dien)CuϪ(µ-dien)ϪCuϪ(µ-dien)Ϫ Cu(dien)] 6ϩ are formed.…”