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Layered Zn2[Co(CN)6](CH3COO) double metal cyanide: a two-dimensional DMC phase with excellent catalytic performance

DOI: 10.1039/C9SC00527G DOI Help

Authors: Carlos Marquez (KU Leuven) , Arkadiy Simonov (University of Oxford) , Michael Wharmby (Deutsches Elektronen-Synchrotron (DESY)) , Cédric Van Goethem (KU Leuven) , Ivo Vankelecom (KU Leuven) , Bart Bueken (KU Leuven) , Andraž Krajnc (National Institute of Chemistry, Slovenia) , Gregor Mali (Deutsches Elektronen-Synchrotron (DESY)) , Dirk De Vos (KU Leuven) , Trees De Baerdemaeker (KU Leuven)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Science , VOL 10 , PAGES 4868-4875

State: Published (Approved)
Published: April 2019
Diamond Proposal Number(s): 13639

Open Access Open Access

Abstract: Double metal cyanides (DMCs) are well known, industrially applied catalysts for ring opening polymerization reactions. In recent years, they have been studied for a variety of catalytic reactions, as well as other applications, such as energy storage and Cs sorption. Herein, a new, layered DMC phase (L-DMC), Zn2[Co(CN)6](CH3COO)·4H2O, was synthesized. The structure, which crystallizes in the monoclinic space group P21/m, consists of positively charged {Zn2Co(CN)6}+ DMC layers linked through acetate groups and presents a new layered structure to the family of double metal cyanides. L-DMC proved to be a reusable and stable catalyst that exhibited a higher activity than the benchmark DMC catalyst in two important applications: hydroamination of phenylacetylene with 4-isopropylaniline and polymerization of 1,2-epoxyhexane.

Subject Areas: Chemistry


Instruments: I19-Small Molecule Single Crystal Diffraction

Added On: 20/06/2019 08:53

Documents:
hjjj55.pdf

Discipline Tags:

Physical Chemistry Catalysis Chemistry Inorganic Chemistry

Technical Tags:

Diffraction Single Crystal X-ray Diffraction (SXRD)