Unusually large 254 Atoms Counter-Ion for 5 Atoms [Ge_5]~(2-) Cluster

Peter Y. Zavalij; Ai-Min Li; Bryan W. Eichhorn

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Unusually large 254 Atoms Counter-Ion for 5 Atoms [Ge_5]~(2-) Cluster

机译：异常大的254个原子对抗离子，5个原子[ge_5]〜（2-）簇

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摘要

With the attempt to synthesize Nb-enclosed germanium Zintl cluster ion in ethylenediamine (en) / toluene solution, the reaction of K_4Ge_9/Na_4Ge_9 with Nb(mes)_2 (mes = mesitylene) gives unexpected 18-crown-6 cleavage product of [K_(14)Na_2(NbO_2)_2(C_8H_(16)O_5)_8](Ge_5) (en)· solv in the form of very air-sensitive, light-brown, plate-like crystals. This unique compound crystallizes in monoclinic Pn (No. 7) space group, the cleavage of crown linked the 14 potassium, 2 sodium, and 2 niobium atoms into the bulky 2+ charged cation, which balances the [Ge_5]~(2-) anion. This compound represents the rare example of heteronuclear metal alkoxide / Zintl ion hybrid.

机译：为了在乙二胺（en）/甲苯溶液中合成含Nb的锗锌簇离子，K_4Ge_9/Na_4Ge_9与Nb（mes）_2（mes=均三甲苯）的反应产生了[K_（14）Na_2（NbO_2）_2（C_8H_（16）O_5）_8]（Ge_5）（en）·solv的18-冠-6裂解产物，其形式为非常气敏的浅棕色片状晶体。这种独特的化合物在单斜Pn（No.7）空间群中结晶，王冠的断裂将14个钾、2个钠和2个铌原子连接成庞大的带2+电荷的阳离子，从而平衡[Ge_5]~（2-）阴离子。这种化合物代表了异核金属醇盐/锌离子杂化的罕见例子。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2020年第14期|共4页
作者
Peter Y. Zavalij; Ai-Min Li; Bryan W. Eichhorn;
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作者单位

Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA;

Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA;

Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA;

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正文语种 eng
中图分类化学;
关键词
18-Crown-6; Zintl phases; Alkoxide; Cluster; Niobium; Heteronuclear;

机译：18冠-6;Zintl相;醇盐;簇;铌;异核;

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Unusually large 254 Atoms Counter-Ion for 5 Atoms [Ge_5]~(2-) Cluster

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