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Direct Synthesis and Characterization of Copper(II) 1‐Phenyltetrazol‐5‐olates
Author(s) -
Voitekhovich Sergei V.,
Lyakhov Alexander S.,
Ivashkevich Ludmila S.,
Lavrov Alexander N.,
Lavrenova Ludmila G.,
Ivashkevich Oleg A.
Publication year - 2021
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.202100175
Subject(s) - tetrazole , chemistry , copper , deprotonation , ethylenediamine , ligand (biochemistry) , ring (chemistry) , metal , crystallography , denticity , ion , medicinal chemistry , inorganic chemistry , stereochemistry , crystal structure , organic chemistry , biochemistry , receptor
The interaction of 1‐phenyl‐1,4‐dihydro‐5 H ‐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 [Cu 2 (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 N 4 atom in mononuclear complex 1 , and as a bridging ligand coordinated via the tetrazole ring N 4 and N 3 atoms in binuclear complex 2 . The latter was found to be a paramagnet, with a very weak antiferromagnetic exchange interaction between copper ions.
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