Affiliation:
1. Fachbereich Chemie der Universität Marburg, Hans-M eerwein-Straße, D-3550 Marburg/Lahn
2. Institut für Anorganische Chemie der Universität Frankfurt, Niederurseler Hang, D-6000 Frankfurt/Main 50
Abstract
[Na-15-crown-5][WF5(NCl)] has been prepared as yellow crystals by the reaction of NaF with WC14(NCl) in the presence of 15-crown-5 in acetonitrile solution. The compound was characterized by its IR spectrum as well as by an X-ray structure determination. Crystal data: space group P 21/n, Z = 4 (2945 observed, independent reflexions, R = 0.035). Lattice dimensions at - 65 °C: a = 827.2(8); b = 1617.3(13); c = 1372.2(10) pm; β = 99.42(5)°. The com pound forms ion pairs, in which the sodium ion is seven-coordinated by the oxygen atoms of the crown ether m olecule, and by two fluorine ligands of the [WF5(NCl)]- unit with Na -F distances of 228.3(6) and 251.3(6) pm. The W ≡ N-Cl group of the anion is nearly linear (bond angle 176.1(5)°) with bond lengths WN = 173.3(6) and NCI = 162.2(7) pm.
Cited by
12 articles.
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1. Synthesis, Characterization, and Lewis Acid Behavior of [W(NC6F5)F4]x and Computational Study of W(NR)F4 (R = H, F, CH3, CF3, C6H5, C6F5), W(NC6F5)F4(NCCH3), and W(NC6F5)F4(NC5H5)n (n = 1, 2);Inorganic Chemistry;2019-04-16
2. Syntheses and Characterization of W(NC6F5)F5– and W2(NC6F5)2F9– Salts and Computational Studies of the W(NR)F5– (R = H, F, CH3, CF3, C6H5, C6F5) and W2(NC6F5)2F9– Anions;Inorganic Chemistry;2017-09-25
3. Combining metals with halogen bonds;CrystEngComm;2008
4. Conformational analysis of crown ethers. Part 3. Alkali and alkaline earth cation complexes of 15-crown-5;Journal of Molecular Structure: THEOCHEM;1998-03
5. Reaktionen von MoNCl3 und WNCl3 mit elementarem Fluor. Kristallstrukturen von [MoO2F2(THF)2] und [WF4(NCl)(CH3CN)];Zeitschrift f�r anorganische und allgemeine Chemie;1996-07