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Reconfirmation of Solubility of C22− in Liquid Ammonia: Syntheses and Crystal Structures of the Tetrahedral Acetylide Ammoniates [Zn(C2H)4]2−, [Cd(C2H)4]2− and [In(C6H5)3(C2H)] −
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2021-08-22 , DOI: 10.1002/zaac.202100191
Uwe Ruschewitz 1 , Nikolaus Korber , Melanie Werker , Marina Kaas
Affiliation  

The new compounds with the sum formulae [Cs([18]crown-6)]2[Zn(C2H)4] ⋅ 8NH3, Rb3[Rb([18]crown-6)(NH3)][Cd(C2H)4]2 ⋅ {[18]crown-6 ⋅ 2NH3} ⋅ NH3 and [Cs([2.2.2]crypt)][In(C6H5)3(C2H)] were synthesized in liquid ammonia. The anionic units show tetrahedrally coordinated central atoms with four hydrogenacetylide ligands or one C2H and three C6H5 ligands. Solid state starting materials for these ligands were either AC2H (A=Rb, Cs) or Cs2C2. The fact that the indium compound contains a hydrogenacetylide ligand, which was formed from Cs2C2, confirms again the equilibrium of the species C2H2, C2H and C22− in liquid ammonia and again proves that acetylides slowly dissolve in this medium.

中文翻译:

重新确认 C22- 在液氨中的溶解度:四面体乙炔化物 [Zn(C2H)4]2-、[Cd(C2H)4]2- 和 [In(C6H5)3(C2H)]-的合成和晶体结构

新化合物的总和式为 [Cs([18]crown-6)] 2 [Zn(C 2 H) 4 ] ⋅ 8NH 3 , Rb 3 [Rb([18]crown-6)(NH 3 )][ Cd(C 2 H) 4 ] 2  ⋅ {[18]crown-6 ⋅ 2NH 3 } ⋅ NH 3和 [Cs([2.2.2]crypt)][In(C 6 H 5 ) 3 (C 2 H) ] 在液氨中合成。阴离子单元显示四面体配位的中心原子与四个乙炔氢配体或一个 C 2 H -和三个 C 6 H 5 -配体。这些配体的固态起始材料是A C 2 H(A = Rb,Cs)或Cs 2 C 2。铟化合物含有由 Cs 2 C 2形成的氢乙炔配体这一事实再次证实了 C 2 H 2、C 2 H -和 C 2 2-在液氨中的平衡,并再次证明乙炔缓慢溶解在这种介质中。
更新日期:2021-08-22
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