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Direct Synthesis and Characterization of Copper(II) 1-Phenyltetrazol-5-olates
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2021-07-15 , DOI: 10.1002/zaac.202100175
Sergei Voitekhovich 1 , Alexander Lyakhov 2 , Ludmila Ivashkevich 3 , Alexander Lavrov 4 , Ludmila Lavrenova 4 , Oleg Ivashkevich 5
Affiliation  

The interaction of 1-phenyl-1,4-dihydro-5H-tetrazol-5-one (Hpto) with ethylenediamine (en) and metallic copper in ethanol in the open air was found to yield molecular complexes [Cu(en)2(pto)2] (1) or [Cu2(en)2(EtOH)2(pto)4] (2) depending on the reagents ratio. Deprotonated tetrazol-5-one, i.e 1-phenyltetrazol-5-olate anion (pto) acts as a monodentate ligand coordinated to the metal via the tetrazole ring N4 atom in mononuclear complex 1, and as a bridging ligand coordinated via the tetrazole ring N4 and N3 atoms in binuclear complex 2. The latter was found to be a paramagnet, with a very weak antiferromagnetic exchange interaction between copper ions.

中文翻译:

铜 (II) 1-Phenyltetrazol-5-olates 的直接合成和表征

发现 1-苯基-1,4-二氢-5 H-四唑-5-酮 (Hpto) 与乙二胺 (en) 和金属铜在露天的乙醇中相互作用,产生分子复合物 [Cu(en) 2 (pto) 2 ] ( 1 ) 或[Cu 2 (en) 2 (EtOH) 2 (pto) 4 ] ( 2 ) 取决于试剂比例。去质子化的四唑-5-酮,即1-苯基四唑-5-酚盐阴离子(PTO)充当单齿配体与金属配位经由四唑环Ñ 4在单核络合物原子1,和作为桥连配体配位经由四唑环N双核复合物中的4和 N 3原子2。后者被发现是一种顺磁体,在铜离子之间具有非常弱的反铁磁交换相互作用。
更新日期:2021-09-02
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