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Synthesis, Crystal Structure, and Luminescence of Metal Iodide Cluster Compounds (nBu4N)2[M6I8(NCO)6] with M = Mo, W
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2020-10-02 , DOI: 10.1002/zaac.202000209
Arin‐Daniel Fuhrmann 1 , Florian Pachel 1 , Markus Ströbele 1 , David Enseling 2 , Thomas Jüstel 2 , Hans‐Jürgen Meyer 1
Affiliation  

Molybdenum and tungsten iodide clusters with the [M6I8] cluster core show versatile photophysical properties that strongly depend on the nature of six apical ligands (L) in [M6I8L6]2–. In course of our syntheses we report a new efficient preparation of Cs2[Mo6I14] as precursor. Target compounds (nBu4N)2[M6I8(NCO)6] with M = Mo, W with cyanate ligands were synthesized and structurally characterized to study their photophysical properties. (nBu4N)2[M6I8(NCO)6] compounds appear as deep red (Mo) and light yellow (W) crystal powders showing strong phosphorescence. Compared to other cluster compounds of this type there is no significant concentration quenching obtained by the presence of molecular oxygen.

中文翻译:

M = Mo,W的金属碘化物簇化合物(nBu4N)2 [M6I8(NCO)6]的合成,晶体结构和发光

具有[M 6 I 8 ]簇芯的钼和碘化钨簇显示出广泛的光物理特性,这在很大程度上取决于[M 6 I 8 L 6 ] 2–中六个顶端配体(L)的性质。在我们的合成过程中,我们报告了一种新的有效制备Cs 2 [Mo 6 I 14 ]作为前体的方法。目标化合物(n Bu 4 N)2 [ M 6 I 8(NCO)6 ]与M合成了具有氰酸酯配体的Mo,W,并对其结构进行了表征,以研究其光物理性质。(n Bu 4 N)2 [ M 6 I 8(NCO)6 ]化合物显示为深红色(Mo)和浅黄色(W)晶体粉末,显示出强烈的磷光。与这种类型的其他簇状化合物相比,分子氧的存在没有显着的浓度猝灭。
更新日期:2020-10-15
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