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Synthesis and Crystal Structure of (PCl4)[Re2Cl9]

✍ Scribed by A. I. Baranov; G. V. Khvorykh; S. I. Troyanov

Publisher: John Wiley and Sons
Year: 1999
Tongue: German
Weight: 83 KB
Volume: 625
Category: Article
ISSN: 0372-7874
DOI: 10.1002/(sici)1521-3749(199908)625:8<1240::aid-zaac1240>3.0.co;2-4

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✦ Synopsis

The reaction between PCl 3 and ReCl 5 yielded at 200 °C the ionic tetrachlorophosphonium dirhenium nonachloride, (PCl 4 )[Re 2 Cl 9 ]. Single crystal X-ray diffraction analysis revealed a monoclinic unit cell: a = 8.616(3) A Ê , b = 10.449(4) A Ê , c = 9.397(3) A Ê , b = 99.72(3)°, V = 833.9(5) A Ê 3 , Z = 2, sp. gr. P2 1 /m, wR 2 = 0.1083 and R 1 = 0.0527. The ionic compound is built from tetrahedra PCl 4 + and face-sharing bioctahedra Re 2 Cl 9 ± . The Re±Re distance, 2.724 A Ê , indicates the presence of direct Re-Re interaction.

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