Journal
DALTON TRANSACTIONS
Volume 41, Issue 23, Pages 6992-6997Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt30156c
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Funding
- National Science Foundation [CHE-0315877]
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A new series of lanthanide-containing dicyanoaurate coordination polymers, [(Bu4N)-Bu-n](2)[Ln(NO3)(4)Au(CN)(2)] (Ln = Nd, Eu, Gd or Tb), were synthesized and structurally characterized. They form an isomorphous series, crystallizing in the space group I2(1)2(1)2(1). The structure is composed of a one dimensional zigzag of Ln-N-C-Au-C-N-Ln chains with no intra-or inter-chain aurophilic interactions. The series is related to and can be described as a reduced dimensionality analogue of the previously studied Ln[Au(CN)(2)](3)center dot 3H(2)O. Unlike the Ln[Au(CN)(2)](3)center dot 3H(2)O series, there is no efficient energy transfer between dicyanoaurate and the lanthanide metal centers in the complexes and they essentially act as two separate emissive chromophores.
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