Solvent-induced changes in dimensionality of praseodymium coordination polymers with diphenylphosphorylvalerate ligand

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Authors	SPÍCHAL Zdeněk PINKAS Jiří NEČAS Marek
Year of publication	2012
Type	Article in Periodical
Magazine / Source	Polyhedron
MU Faculty or unit	Central European Institute of Technology
Citation
web	http://dx.doi.org/10.1016/j.poly.2012.08.056
Doi	http://dx.doi.org/10.1016/j.poly.2012.08.056
Field	Inorganic chemistry
Keywords	Diphenylphosphorylvaleric acid; Praseodymium; Coordination polymers; X-ray crystallography
Description	Architectures of coordination polymers resulting from the reaction of diphenylphosphorylvaleric acid (1) with Pr(NO3)3.6H2O in the presence of a base can be controlled by the solvent. While in methanolic solution a two-dimensional network Pr2(1–H)3(NO3)3 (1m) with a 1:1.5 metal-to-ligand ratio was formed, the aqueous media induced the formation of a three-dimensional framework Pr(1–H)2(NO3) (1w) with a 1:2 metal-to-ligand ratio. The compounds were studied by single crystal X-ray diffraction, IR spectroscopy, ESI-TOF mass spectrometry, and thermal analysis TG/DSC techniques.
Related projects:	Synthesis and properties of inorganic-organic polymeric materials Oxidy a fosforečnany kovů jako formy jaderného odpadu: studium sonochemického srážení, tepelných přeměn a rozpustnosti CEITEC - Central European Institute of Technology