Nonaqueous synthesis of molecular zinc amide phosphate

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Publikace nespadá pod Fakultu sportovních studií, ale pod Středoevropský technologický institut. Oficiální stránka publikace je na webu muni.cz.
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CHYBA Jan MORAVEC Zdeněk NEČAS Marek MATHUR Sanjay PINKAS Jiří

Rok publikování 2014
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Organometallic Chemistry
Fakulta / Pracoviště MU

Středoevropský technologický institut

Citace
www http://www.sciencedirect.com/science/article/pii/S0022328X13007171
Doi http://dx.doi.org/10.1016/j.jorganchem.2013.09.040
Obor Anorganická chemie
Klíčová slova Zinc; Amide; Phosphate; X-ray structure; Nonaqueous
Popis Three new molecular zinc compounds were prepared by nonaqueous reactions of Zn[N(SiMe3)2]2 and ZnEt2 with trimethylsilylesters of phosphoric acid, OP(OSiMe3)3 and OP(OSiMe3)2(OH). Single-crystal Xray diffraction analyses of crystalline products revealed molecular structures of two mononuclear complexes [ZnX2OP(OSiMe3)3] (X = N(SiMe3)2 (1), hfacac = hexafluoroacetylacetonate, (2)) and one dinuclear zinc phosphate [(Zn{(py)N(SiMe3)2}{m2-O2P(OSiMe3)2})2] (3). Compound 1 is only the second structurally characterized adduct of zinc bisamide with an oxygen donor and a three-coordinate Zn atom. The cyclic inorganic core {Zn(m2-O2PO2)}2 in 3 is a model for the most common single four-ring (S4R) building unit of open-framework zinc phosphates. The molecule of 3 possesses reactive amide and trimethylsiloxy groups that can be employed in further studies on the formation of extended structures by condensation reactions. Spectroscopic properties and thermal behavior of the molecular products were examined. Compounds 1 and 3 were converted to a-Zn2P2O7 by calcination.
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