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Title: Synthesis and structural characterization of potassium coordination polymers based on a copper-bis(dithiolato) complex: Role of coordinating solvents and counter cation
Authors: Bolligarla, Ramababu
Tripuramallu, Bharat Kumar
Sreenivasulu, Vudagandla
Das, Samar K
Keywords: Coordination Chemistry;Coordination polymers;Metal-organic frameworks;Crystal structures;Counter cation;Coordinating solvents;Potassium;Copper
Issue Date: Sep-2011
Publisher: NISCAIR-CSIR, India
Abstract: We have synthesized two new potassium metal coordination polymers {[K(CH3COCH3)3][Cu(btdt)2]}n (1) and {[K(CH3CN)2][Cu(btdt)2]}n (2) of diverse dimensionality based on a copper coordination complex [CuIII(btdt)2]1− ({btdt}2– = 2,1,3-benzenethiadiazole-5,6-dithiolate). Recrystallization of the dark brown solid, obtained from the reaction mixture of H2btdt, KOH and CuCl2·2H2O in MeOH, from the coordinating solvents acetone and acetonitrile results in the formation of 3-D and 2-D extended networks in compounds (1) and (2) respectively. The crystal structures of (1) and (2) have been discussed in comparison with those of recently reported sodium coordination polymers {[Na(CH3OH)4][Au(btdt)2]}n (3), [Na(DMF)2][Au(btdt)2]}n (4) and {[Na(CH3CN)2][Au(btdt)2]}n (5). Compounds (1) and (2) have additionally been characterized by routine spectroscopy including elemental analyses.
Page(s): 1410-1417
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(09-10) [September-October 2011]

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