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Linear, Divergent Molecular Receptors – Subtle Effects of Transition Metal Coordination Geometry

✍ Scribed by Alexander Bilyk; Annegret K. Hall; Jack M. Harrowfield; Mir Wais Hosseini; Gilles Mislin; Brian W. Skelton; Christopher Taylor; Allan H. White

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 353 KB
Volume: 2000
Category: Article
ISSN: 1434-1948
DOI: 10.1002/(sici)1099-0682(200005)2000:5<823::aid-ejic823>3.0.co;2-z

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✦ Synopsis

Reaction between deprotonated p-tert-butyltetrathiacalix[4]arene and Co II or Zn II under strictly defined conditions leads to the formation of sandwich species in which a trimetallic unit is held between two opposed, divergently oriented, staggered O-and S-bound calixarene ligands in the cone conformation. Despite the isomorphous nature of the crystalline compounds, there is a subtle difference in the coordination of

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✍ Jack G. Davis jr.; Vaneica Y. Young 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 365 KB

Past investigations have correlated XPS valence band broadening with the increase in size of clusters of supported atoms on inert substrates. The theoretical effects of geometrical variation for a given cluster size has not been reported. In this report we show that the broadening effect can be due