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Synthesis and crystal structure of 2,4,6-triphenylpyrylium acetonato(C)chlorophthalocyaninato(2−)iridate(III) monohydrate

✍ Scribed by HEINER HÜCKSTÄDT; HEINER HOMBORG

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
99 KB
Volume
02
Category
Article
ISSN
1088-4246

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✦ Synopsis

Phthalocyaninato(2À)iridate(I) is oxidized by air in acetone to form acetonato(C)chlorophthalocyaninato(2À)iridate(III) in the presence of chloride. The anion is isolated as its 2,4,6-triphenylpyrylium salt, (TPPy)[Ir(aC)(Cl)Pc 2-]. Its monohydrate crystallizes in the monoclinic space group P1n1 (#7). The cell parameters are a = 12.452(3) A ˚, b = 12.339(3) A ˚, c = 15.352(4) A ˚, b = 100.75(2) °, Z = 2. Hexa-coordinated Ir is located slightly out of the centre (ct) of the Pc core (d(Ir-ct) = 0.02 A ˚) and directed towards the acetonato C atom. It coordinates four isoindole N atoms (N iso ) together with a Cl atom and a C-bonded acetonate in a mutual trans position. The average Ir-N iso distance is 1.966 A ˚, the Ir-Cl distance is 2.501(5) A ˚and the Ir-C distance is 2.11(2) A ˚.

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