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Title of Journal: J Incl Phenom Macrocycl Chem

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Abbravation: Journal of Inclusion Phenomena and Macrocyclic Chemistry

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Springer Netherlands

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DOI

10.1016/0027-5107(85)90068-5

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ISSN

1573-1111

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Paramagnetic properties and molecular structure of

Authors: Sergey P Babailov
Publish Date: 2014/06/11
Volume: 80, Issue: 3-4, Pages: 377-381
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Abstract

Earlier NMR spectra of lanthanide complexes Ln18crown6NO33 have been analyzed by us Babailov in Inorg Chem 5131427–1433 2012 where Ln3+ = La3+ I Ce3+ II Pr3+ III and Nd3+ IV The NMR signal assignment and conformational molecular dynamic have been found by 1D NOE and relaxation spectroscopy as well as on 2D NOESY and EXSY experiments at 170 K In the present paper the 1H NMR method is used to study the features of paramagnetic properties of complexes I–IV and Eu18crown6NO33 V at ambient temperature The investigation was carried out by special method based on analysis of Δδ/Sz on kLn/Sz where kLn is Bleaney’s constant Δδ is paramagnetic contribution to the lanthanideinduced shifts The obtained results indicate that the structure of the complexes in CDCl3 and CD2Cl2 are very similar

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