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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 365 (1969), S. 269-280 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Whereas the tetracarbonyl compounds M(CO)4D, with M = Mo, W; D = 2,2′-dipyridyl (bipy), 1,10-phenanthroline (phen), react with iodine in the molar ratio 1:1 at room temperature to form dimeric tricarbonyl compounds [M(CO)3DI2]2, at 150°C and a 2:1 ratio dimeric dicarbonyl compounds [M(CO)2DI]2 are formed. These new compounds in which the metal atoms of formal oxidation state + I are linked by two iodine bridges, , can also be obtained by interacting of [M(CO)3DI2]2 and M(CO)4D at 1:2 ratio.[M(CO)3bipyI2]2 (M = Mo, W) react with excess bipy to the ionic heptacoordinated dicarbonyl compounds [M(CO)2bipy2I]I.
    Notes: Während die Tetracarbonylverbindungen M(CO)4D (M = Mo, W; D = Bipyridyl(2,2′) (bipy), 1,10-Phenanthrolin (phen)) mit Jod im Molverhältnis 1:1 bei Raumtemperatur zu den dimeren Tri carbonylverbindungen [M(CO)3DJ2]2 reagieren, erhält man bei 150° mit der halben Jodmenge (Molverhältnis 2:1) die ebenfalls dimeren Dicarbonylderivate der Zusammensetzung [M(CO)2DJ]2. Diese neuen Verbindungstypen, in denen die Metalle in der formalen Oxydationsstufe +I vorliegen und in denen die Metallatome gemäß jeweils über 2 Jodbrücken verknüpft sind, lassen sich auch durch Umsetzung von [M(CO)3DJ2]2 und M(CO)4D im Molverhältnis 1:2 darstellen.[M(CO)3bipyJ2]2 (M = Mo, W) reagiert mit überschüssigem bipy zu den ionogenen, heptakoordinierten Dicarbonylverbindungen [M(CO)2bipy2J]J.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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