Synthesis, Structure, and Luminescence of a Molecular Europium Tetracyanoplatinate Incorporating 4,5-Diazafluoren-9-One

Author:

Sykora Richard E.1

Affiliation:

1. Department of Chemistry, University of South Alabama, 6040 USA Drive South, Chemistry Building Room 223, Mobile, AL 36688, USA

Abstract

Eu2(Pt(CN)4)3(H2O)12]·4C11H6N2O·6H2O represents a new member to the lanthanide tetracyanoplatinate family of materials. The synthesis, single-crystal X-ray structure, and photoluminescence properties of this compound are reported herein. The compound contains dimeric [Eu2(Pt(CN)4)3(H2O)12] molecules in which the Eu3+ sites are connected with trans-bridging [Pt(CN)4] 2− anions and co-crystallized along with 4,5-diazafluoren-9-one (dafone) and lattice water. Prominent noncovalent interactions that stabilize the structure include H-bonding as well as short stacking interactions involving the planar tetracyanoplatinate anions in conjunction with the planar dafone molecules. Photoluminescence measurements illustrate that Eu2(Pt(CN)4)3(H2O)12]·4C11H6N2O·6H2O contains multiple emitting states and also displays enhanced Eu3+-based emission due to energy transfer within the compound.

Funder

University of South Alabama

Publisher

MDPI AG

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science,General Chemical Engineering

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