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Effect of the acid-base interactions in a solution on the composition of the coordination sphere of aluminum and gallium complexonates

  • Structures of Coordination Compounds
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Abstract

Hydroxocomplexonate K2[GaEdta(OH)] · 6H2O (I) and nitronium salts BH+GaEdta · 4H2O (II) and BH+AlEdta · 4H2O (IV) are synthesized from aqueous solutions at pH 8, 6, and 7, respectively. AlHEdta(H2O) (III) is isolated from an acid solution (pH 1.5). Structures I, II, and IV are determined by single-crystal X-ray diffraction. The X-ray powder diffraction analysis of III has revealed that its crystals are not isostructural with those of similar complexes of other metals. Crystals I–IV are monoclinic. The unit cell parameters are a = 10.482(1), 15.735(4), 5.768(4), and 15.756(4) Å; b = 10.442(2), 12.511(2), 14.884(11), and 12.453(3) Å; c = 19.590(4), 17.330(5), 19.113(12), and 17.328(6) Å; β = 101.30(2)°, 104.54(2)°, 90.74(5)°, and 104.75(2)° for I–IV, respectively.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    A. B. Ilyukhin & S. P. Petrosyants

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  1. A. B. Ilyukhin
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  2. S. P. Petrosyants
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Translated from Kristallografiya, Vol. 46, No. 5, 2001, pp. 845–852.

Original Russian Text Copyright © 2001 by Ilyukhin, Petrosyants.

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Ilyukhin, A.B., Petrosyants, S.P. Effect of the acid-base interactions in a solution on the composition of the coordination sphere of aluminum and gallium complexonates. Crystallogr. Rep. 46, 771–778 (2001). https://doi.org/10.1134/1.1405863

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  • DOI: https://doi.org/10.1134/1.1405863

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