Synthesis and molecular structure of a novel barium arylspiroboronate ester

• Autorzy: Nathan Halcovitch , Michael Geier , Christopher Vogels , Andreas Decken , Stephen Westcott
• Języki publikacji: EN

Abstrakty

EN

The compound barium bis{bis-(4,6-di-tert-butyl[1,2-benzenediolato(2-)-O,O′]borate)} has been prepared by the addition of 3,5-di-tert-butylcatechol to a solution of boric acid and Ba(OH)2 and characterized by a single crystal X-ray diffraction study. The title compound crystallized in the triclinic space group P-1, with cell parameters a = 13.280(2) Å, b = 15.755(3) Å, and c = 16.980(3) Å, α = 71.691(2)o, β = 79.528(3)o, γ = 80.741(3)o, Z = 1, and V = 3296.1(10) Å3. The structure was solved by direct methods and refined to a final R = 0.0459 for 14370 reflections with I > 2σ(I). One of the arylspiroboronate ester counterions is bound to the barium atom in a rare example of the η1 bonding mode via a single oxygen of one of the catecholato groups. The coordination sphere around the barium is complemented by four molecules of water, one molecule of acetone and two bridging water molecules, connecting to an adjacent barium atom.

Słowa kluczowe

EN

Arylspiroboronate Esters   Barium   Catechol   Coordination  

• Czasopismo: Open Chemistry
• Rocznik: 2011
• Tom: 9
• Numer: 3
• Strony: 386-390

Daty

wydano

2011-06-01

online

2011-03-22

Twórcy

autor

Nathan Halcovitch

• Mount Allison University

autor

Michael Geier

• Mount Allison University

autor

Christopher Vogels

• Mount Allison University

autor

Andreas Decken

• University of New Brunswick,

autor

Stephen Westcott

• Mount Allison University,

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Identyfikatory

DOI

10.2478/s11532-011-0017-7