Synthesis and crystal structure of tetra(n-butyl)ammonium hydroxomethoxophthalocyaninato(2-)iridate(III) methanol solvate

✍ Scribed by Heiner Hückstädt; Heiner Homborg

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 40 KB
• Volume: 03
• Category: Article
• ISSN: 1088-4246
• DOI: 10.1002/(sici)1099-1409(199903)3:3<169::aid-jpp114>3.0.co;2-4

✦ Synopsis

Bis(phthalocyaninato(2-)iridium(II)) reacts in methanol with excess tetra(n-butyl)ammonium hydroxide to yield tetra(n-butyl)ammonium hydroxomethoxophthalocyaninato(2-)iridate(III). The complex salt crystallizes as a methanol solvate in the monoclinic space group P2~1~/n(No. 14) with cell parameters a = 12.510(1) Å, b = 19.561(3) Å, c = 18.489(2) Å, = 90.42(1) °, Z = 4. The Ir atom is hexacoordinated with four isoindole N atoms ( N ~iso~ ) of the severely saddled pc ligand and two O atoms of the hydroxide ( O 1) and methoxide ( O2 ) ligand respectively in a mutual trans arrangement. The average Ir-N ~iso~ distance is 1.981(5) Å, the Ir-O1 distance 2.038(7) Å and the Ir-O2 distance 2.061(6) Å. The O atom of the solvate ( O3 ) is bound to O2 by a strong hydrogen bond with an O2 - O3 distance of 2.60(1) Å.