Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1463-0184(00)00036-8
Title: Silver-triphenylphosphine coordination polymers with linear spacer ligands
Authors: Sampanthar, J.T. 
J. Vittal, J. 
Issue Date: Jun-2000
Citation: Sampanthar, J.T.,J. Vittal, J. (2000-06). Silver-triphenylphosphine coordination polymers with linear spacer ligands. Crystal Engineering 3 (2) : 117-133. ScholarBank@NUS Repository. https://doi.org/10.1016/S1463-0184(00)00036-8
Abstract: In the presence of PPh3, AgX (X = ClO4 -, I-, NO3 -, CH3CO2 -) and linear spacer ligands 4,4′;-bipyridine (bpy), 1,4-diazobicyclo[2,2,2]octane (dabco) and pyrazine (pyz) react to form [{Ph3PAg}2(μ-bpy)](ClO4)2 (1), [{Ph3PAgI}2(μ-bpy)]n (2), [{(Ph3P)Ag(ONO2)}2(μ-bpy)]n (3), [{Ag(μ-OAc)}2(μ-bpy)2]n.6nH2O (4), [{(Ph3P)Ag(NO3)}2(μ-dabco)]n (5) and [Ag(NO3)(μ-pyz)]n (6). The structures of 1-4 were determined by X-ray crystallography. Compound 1 contains a binuclear cation and two ClO4 - anions with very weak interactions between silver and ClO4 - anions, whereas 2 and 3 are stair-step undulating polymer chains. A ladder type of structure was observed in 4 in which two of the [Ag(μ-bpy)]n linear chains are bridged by two acetate ligands and paired by Ag..Ag interactions of 3.1347(8) angstroms and π-π interactions of 3.67-3.63 angstroms.
Source Title: Crystal Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/92328
ISSN: 14630184
DOI: 10.1016/S1463-0184(00)00036-8
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