Syntheses and crystal structures of supramolecular compounds of tetranuclear ZrIV and HfIV aqua hydroxo complexes with macrocyclic cavitand cucurbituril View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2004-01

AUTHORS

T. V. Mit"kina, O. A. Gerasko, M. N. Sokolov, D. Yu. Naumov, V. P. Fedin

ABSTRACT

Slow evaporation of hydrochloric acid solutions of zirconium(iv) or hafnium(iv) oxochlorides and cucurbituril in air afforded compounds with composition [M4(OH)8(H2O)16]Cl8·(C36H36N24O12)·16H2O, where M = Zr (1) or Hf (2). According to the X-ray diffraction data, complexes 1 and 2 are isostructural. Their crystal structures can be described as packings of polymer chains consisting of alternating cucurbituril molecules and tetranuclear cations [M4(OH)8(H2O)16]8+ linked to each other via an extensive network of hydrogen bonds. Compound 2 is the first structurally characterized tetranuclear hafnium aqua complex. More... »

PAGES

80-85

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/b:rucb.0000024833.64526.ba

DOI

http://dx.doi.org/10.1023/b:rucb.0000024833.64526.ba

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1051177552


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