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Original scientific paper

Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3

Stéphane Cordier ; Laboratoire de Chimie du Solide et Inorganique Moléculaire, URA CNRS 1495, Université de Rennes I, Avenue du Général Leclerc, 35042 Rennes Cédex, France
Christiane Perrin ; Laboratoire de Chimie du Solide et Inorganique Moléculaire, URA CNRS 1495, Université de Rennes I, Avenue du Général Leclerc, 35042 Rennes Cédex, France
Marcel Sergent ; Laboratoire de Chimie du Solide et Inorganique Moléculaire, URA CNRS 1495, Université de Rennes I, Avenue du Général Leclerc, 35042 Rennes Cédex, France

Fulltext: english, pdf (25 MB) pages 781-792 downloads: 195* cite
APA 6th Edition
Cordier, S., Perrin, C. & Sergent, M. (1995). Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3. Croatica Chemica Acta, 68 (4), 781-792. Retrieved from https://hrcak.srce.hr/136693
MLA 8th Edition
Cordier, Stéphane, et al. "Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3." Croatica Chemica Acta, vol. 68, no. 4, 1995, pp. 781-792. https://hrcak.srce.hr/136693. Accessed 19 Apr. 2021.
Chicago 17th Edition
Cordier, Stéphane, Christiane Perrin and Marcel Sergent. "Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3." Croatica Chemica Acta 68, no. 4 (1995): 781-792. https://hrcak.srce.hr/136693
Harvard
Cordier, S., Perrin, C., and Sergent, M. (1995). 'Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3', Croatica Chemica Acta, 68(4), pp. 781-792. Available at: https://hrcak.srce.hr/136693 (Accessed 19 April 2021)
Vancouver
Cordier S, Perrin C, Sergent M. Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3. Croatica Chemica Acta [Internet]. 1995 [cited 2021 April 19];68(4):781-792. Available from: https://hrcak.srce.hr/136693
IEEE
S. Cordier, C. Perrin and M. Sergent, "Novel Ternary Oxobromides with Ta6 Clusters and Rare Earths: The Synthesis of (RE)Ta6Br13O3 (RE = Rare Earth) and the Crystal Structure of LuTa6Br13O3", Croatica Chemica Acta, vol.68, no. 4, pp. 781-792, 1995. [Online]. Available: https://hrcak.srce.hr/136693. [Accessed: 19 April 2021]

Abstracts
Crystallochemistry of the novel oxobromides (RE)TagBr1803 with RE = Sm to Lu (except Eu and Yb) is reported. All these compounds, which exhibit 14 valence electrons per Tag cluster, are isotypic with ScNbgCl^Og with the space group 74x22. The structure of LuTagBrxgOg has been determined from single crystal X-ray diffraction: a = 9.383(1) Å and c = 54.60(1) Å, R = 0.050 and Rw = 0.054 for 755 symmetry-independent reflections. For this compound, the (TagL18) units (L = Br and O), in which the Tag cluster is very distorted, are linked together by four bridging bromines to form pseudo-helices of units. The lutetium is five-coordinated at a small site formed by three oxygen and two bromine atoms belonging to three adjacent units. The formula developed for this compound is Lu(TagBr91031)Br2aBr4/2a_a. These structural results allow discussion of the influence of interatomic distances on the potential properties of these novel ternary tantalum oxobromides in relation to the oxidation state of the cluster.

Hrčak ID: 136693

URI
https://hrcak.srce.hr/136693

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