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EXAFS spectroscopy investigation Cu(II) complexes encapsulated in cucurbit[8]uril

S Trubina1,2, S Erenburg1, N Bausk1, V Nadolinny1, V Bakovets1, I Dolgovesova1 and T Mitkina1

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This work describes EXAFS (extended X-ray absorption fine structure), XANES (X-ray absorption near edge structure) investigation into inclusion compounds of Cu(II) complexes: Cu(acac)2; [Cu(en)2(H2O)2]2+; [Cu(cyclam)]2+ in macrocyclic cavitand cucurbit[8]uril at different stages of preparation and heat treatment in hydrogen atmosphere. The structure and composition of the nearest environment of copper atoms have been characterized; the interatomic distances and coordination numbers have been determined.


PACS

78.70.Dm X-ray absorption spectra

61.50.Lt Crystal binding; cohesive energy

61.66.Hq Organic compounds

81.40.Gh Other heat and thermomechanical treatments

81.05.Lg Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials

81.20.-n Methods of materials synthesis and materials processing

Subjects

Soft matter, liquids and polymers

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 1 (2009)



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