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Synthesis and Crystal Structure of Bis(tetraphenylphosphonium) Hexabromo-diselenate(II)-bis{dibromodiselenate(I)}, [PPh4]2[Se2Br6(Se2Br2)2], the Salt of a Mixed-valence Bromoselenate(II,I) Anion

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F08%3A00033382" target="_blank" >RIV/00216224:14310/08:00033382 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Synthesis and Crystal Structure of Bis(tetraphenylphosphonium) Hexabromo-diselenate(II)-bis{dibromodiselenate(I)}, [PPh4]2[Se2Br6(Se2Br2)2], the Salt of a Mixed-valence Bromoselenate(II,I) Anion

  • Original language description

    The Red crystals of [PPh4]2[Se2Br6(Se2Br2)2] (1) were obtained when selenium and bromine reacted in the solution of acetonitrile in the presence of tetraphenylphosphonium bromide. The crystal structure of 1 has been determined by X-ray diffraction and refined to R = 0.0201 for 4024 reflections. The crystals are triclinic, space group P-1 with Z = 2 and a = 11.2757(4) A, b = 12.3347(5) A, c = 12.4948(5) A, = 113.152(4)deg, = 114.745(4)deg, = 91.208(3)deg (120(2) K). In the solid state the anion of 1 is built up of the Se2Br6 core and two Se2Br2 molecules each of which is linked to one of the trans-positioned terminal Brt atoms of the Se2Br6 core. The central Se2Br6 part consists of a nearly planar arrangement of two planar SeBr4 units sharing a common edge through two 2-bridging Br atoms. The contact between the Brt and the SeI atom of the Se2Br2 molecule is 3.0872(5) A and can be interpreted as a bond of the donor-acceptor type with the Brt as donor and the Se2Br2 molecule as acceptor.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CA - Inorganic chemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Zeitschrift für Anorganische und Allgemeine Chemie

  • ISSN

    0044-2313

  • e-ISSN

  • Volume of the periodical

    634

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    6

  • Pages from-to

  • UT code for WoS article

    000255349000022

  • EID of the result in the Scopus database