Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26013
Title: Supramolecular self-assembly of 1D and 3D heterometallic coordination polymers with triruthenium building blocks
Authors: Chan, SLF 
Gao, S
Chui, SSY
Shek, L
Huang, JS
Che, CM
Keywords: coordination polymers
hydrothermal synthesis
metal-metal interactions
ruthenium
self-assembly
Issue Date: 2012
Publisher: Wiley-VCH
Source: Chemistry - a European journal, 2012, v. 18, no. 36, p. 11228-11237 How to cite?
Journal: Chemistry - a European journal 
Abstract: Ru3(TSA)6 (1; H2TSA=2-thiosalicylic acid), which bears six peripheral carboxylate groups and was isolated in the form [NEt4]1.5[Ru3(HTSA)2(TSA) 4](OAc)0.5·3.5 H2O, serves as a building block for assembly of heterometallic coordination polymers. Treatment of 1 with [Fe(acac)3] (acac=acetylacetonate) in EG/H2O (EG=ethylene glycol) afforded 1D Ru3-Fe coordination polymer 2 by means of the connection of the building block 1 through iron centers. Treatment of 1 with MnCl2 in EG resulted in the formation of 1D Ru3-Mn 3 coordination polymer 3, which features self-assembled polynuclear linking units Mn3(OCH2CH2O)3, each of which contains a planar Mn3O3 ring. By treating 1 with Gd(NO3)3 and NaHCO3 in EG, a 3D Ru 3-Gd6 coordination polymer 4 was obtained; this 3D coordination polymer features unprecedented Gd6(μ3- CO3)4 units. The magnetic properties of 1-4, along with DFT calculations on the electronic structure of 1, are also described. Building bonus: In the assembly of heterometallic coordination polymers (see scheme), the building block Ru3(TSA)6 (1), which bears six peripheral carboxylate groups, could not only be connected through simple iron centers (in 2), it could also support self-assembly of unusual polynuclear linking units, Mn3(OCH2CH2O)3 (in 3) and Gd 6(μ3-CO3)4 (in 4).
URI: http://hdl.handle.net/10397/26013
ISSN: 0947-6539
EISSN: 1521-3765
DOI: 10.1002/chem.201202084
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