Effect of methylation on the coordination of copper by small azacryptands; the role of geometrically constrained hydrogen bonding in stabilizing terminally coordinated oxygen species

Farrell, David; Harding, Charles J.; McKee, Vickie and Nelson, Jane (2006). Effect of methylation on the coordination of copper by small azacryptands; the role of geometrically constrained hydrogen bonding in stabilizing terminally coordinated oxygen species. Dalton Transactions, 2006(26) pp. 3204–3211.

DOI: https://doi.org/10.1039/b602003h

Abstract

Treatment of N-methyl substituted aminocryptand hosts with copper(II) generates monocopper(II)
cryptates where copper(II) coordinates an oxygen-centered species, formally H3O+, which is also
strongly hydrogen bonded to three aminocryptand N-methyl atoms via bonds which may best be
viewed as NHd+ · · ·Od− in consequence of charge transfer. The strength of this hydrogen bonding
precludes successful competition of another copper ion for the second coordination site thus
suppressing formation of any Cu–Cu bonded average-valent system.

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About

• Item ORO ID
• 5220
• Item Type
• Journal Item
• ISSN
• 1477-9226
• Extra Information
• Some of the symbols may not have transferred correctly into this bibliographic record.
• Academic Unit or School
• Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
  Faculty of Science, Technology, Engineering and Mathematics (STEM)
• Depositing User
• Charlie Harding