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ChemInform Abstract: Synthesis, Crystal Structure, and IR Investigations of ((NH3)5V-O-V( NH3)5)I4×NH3 and ((NH3)5Ti-O-Ti(NH3)5)I4×NH3.

✍ Scribed by TH. SICHLA; R. NIEWA; U. ZACHWIEJA; R. ESSMANN; H. JACOBS

Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199714006

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✦ Synopsis

1997 structure structure (solids and liquids) D 2000

14 -006

Synthesis, Crystal Structure, and IR Investigations of ((NH3)5V-O-V( NH3)5)I4•NH3 and ((NH3)5Ti-O-Ti(NH3)5)I4•NH3.

-Single crystals of the novel title compounds are prepared by room-temp. reaction of VI2 or TiI3, resp., with liquid ammonia in the presence of traces of water or oxygen. XRD results show that the isostructural compounds (orthorhombic, Pbca, Z = 4) contain distorted corner-sharing M-centered ((NH3)5M)2O double octahedra (M: V, Ti) linked via the O atom. The double octahedra exhibit an eclipsed conformation which leads to repulsive interaction between the NH3

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