Synthesis and Crystal Structure of the Iron(III) Oxotellurate(IV) Phosphate Oxide Chloride Fe11(TeO3)2(TeO4)3(PO4)2O4Cl3
2014 (English)In: Zeitschrift für Anorganische und Allgemeines Chemie, ISSN 0044-2313, E-ISSN 1521-3749, Vol. 640, no 12-13, 2435-2438 p.Article in journal (Refereed) Published
The new compound Fe11(TeO3)2(TeO4)3(PO4)2O4Cl3 containing FeIII and TeIV crystallizes in the monoclinic space group C2/c with the unit cell parameters a = 20.5816(5) Å, b = 26.7506(6) Å, c = 5.03910(10) Å, β = 93.587(2)o, Z = 4. Single crystals were grown in sealed and evacuated silica tubes at 550 °C. The compound exhibits an open framework structure built from [FeO6], [FeO5Cl], [FeO4Cl], [PO4], [TeO3], and [TeO4] polyhedra. The TeIV atoms adopt a one sided asymmetric coordination due to the stereochemically active lone-pair. The lone-pairs together with the chloride ions are excluded from the covalently bonded space and protrude into cavities extending along . Bond valence sum calculations confirm iron to be in its FeIII state and the chloride ions to be underbonded and act more as counterions than being fully integrated in the covalent network.
Place, publisher, year, edition, pages
2014. Vol. 640, no 12-13, 2435-2438 p.
Crystal structure, Lone-pair element, Phosphate, Oxochloride, Iron, Tellurium
Research subject Inorganic Chemistry
IdentifiersURN: urn:nbn:se:su:diva-108234DOI: 10.1002/zaac.201400349ISI: 000344378900003OAI: oai:DiVA.org:su-108234DiVA: diva2:755969