✦ LIBER ✦

Synthesis and Crystal Structure of Potassium Indium Tribromide, KInBr3

✍ Scribed by Michael Scholten; Richard Dronskowski; Thomas Staffel; Gerd Meyer

Publisher: John Wiley and Sons
Year: 1998
Tongue: German
Weight: 131 KB
Volume: 624
Category: Article
ISSN: 0372-7874
DOI: 10.1002/(sici)1521-3749(1998110)624:11<1741::aid-zaac1741>3.0.co;2-w

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✦ Synopsis

KInBr 3 , the first ternary indium bromide containing divalent indium, is synthesized from InBr 3 , KBr, and elemental In at 450 °C. Its trigonal crystal structure (a = b = 853.24(1) pm, c = 1077.76(2) pm; P3; Z = 4) has been solved and refined from X-ray powder data. Indium atoms of oxidation state two are found in an [In 2 Br 6 ] 2± unit with ecliptic ethane structure while potassium ions are located in two different polyhedra. There is an octahedral coordination by bromine anions for half of the K + whereas the other K + cations are located in trigonal Br ± prisms, tricapped by three additional Br ± anions.

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