Aminoguanidinium closo-Borates and Their Reactions with Copper(II) Salts in Aqueous Solutions |
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| Authors: | E A Malinina V N Mustyatsa L V Goeva N T Kuznetsov |
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| Institution: | (1) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 117907, Russia |
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| Abstract: | Aminoguanidinium hexa-, deca-, and dodecaborates of (AguH)2B
n
H
n
· xH2O (Agu = (CN4H6), n= 6, 10, 12; x= 1, 2) composition were synthesized and studied by elemental analysis, magnetic susceptibility, and IR spectroscopy methods. Their reactions with copper(II) salts in aqueous solutions were investigated. A cation–anion interaction was shown to occur in aminoguanidinium closo-borates and to increase in the series B12< B10< B6. Depending on the closo-anion (B
n
H2–
n
), the reactions of aminoguanidinium closo-borates with copper(II) salts in aqueous solutions yield either complex compounds (n= 10, 12) or metallic copper (n= 6). |
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