Synthesis and Structural Diversity of Gadolinium 1-(o-Methoxyphenyl)-3,4-diphenylcyclopentadienyl Complexesстатья
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Аннотация:The reaction of 1-(o-methoxyphenyl)-3,4-diphenylcyclopentadienyl potassium with gadolinium chloride tetrahydrofuranate gives, depending on the stoichiometry, either tetranuclear complex [{[η5-(Ph2(o-CH3OC6H4)C5H2)Gd(Thf)]2(µ2-Cl)2(µ3-Cl)3K(Thf)}2] (I) or mononuclear complex [(Ph2(o-CH3OC6H4)C5H2)2GdCl] (II) (CIF files CCDC nos. 2116742 (I), 2116741 (II)). In complex I, the oxygen atom of the methoxy group is not coordinated to the gadolinium cation, whereas in complex II, the Gd3+ cation is coordinated to the oxygen atoms of both methoxy groups. Complex II crystallizes in the chiral space group P41212.