RAS Chemistry & Material ScienceКоординационная химия Russian Journal of Coordination Chemistry

  • ISSN (Print) 0132-344X
  • ISSN (Online) 3034-5499

Preparation of Water-Soluble Zinc(II) Complexes with Ethylenediaminetetraacetic Acid: Molecular Structure of Zinc Ethylenediaminetetraacetate Trihydrate

PII
10.31857/S0132344X22600436-1
DOI
10.31857/S0132344X22600436
Publication type
Status
Published
Authors
Volume/ Edition
Volume 49 / Issue number 4
Pages
205-216
Abstract
Poorly soluble zinc ethylenediaminetetraacetate zincate Zn[ZnL] reacts with sodium Na4L, potassium K4L, ammonium (NH4)4L, 2-ammonioethanol (H3NCH2CH2OH)4L, and hexamethylene-1,6-diammonium {H3N(CH2)6NH3}2L salts of ethylenediaminetetraacetic acid H4L to give readily soluble sodium Na2[ZnL], potassium K2[ZnL], ammonium (NH4)2[ZnL], 2-ammonioethanol (H3NCH2CH2OH)2[ZnL], and hexamethylene-1,6-diammonium {H3N(CH2)6NH3}[ZnL] ethylenediaminetetraacetate zincates. The reaction of tetrakis(triethylammonium) salt {(C2H5)3NH}4L with Zn[ZnL] does not give the expected bis(triethylammonium) ethylenediaminetetraacetate zincate {(C2H5)3NH}2[ZnL], but gives instead mono(triethylammonium) ethylenediaminetetraacetate zincate, {(C2H5)3NH}H[ZnL]; in aqueous solution, this product generates poorly soluble zinc ethylenediaminetetraacetate H2[ZnL(H2O)]·2H2O, which was studied by X-ray diffraction (CCDC no. 2172274).
Keywords
соли этилендиаминтетрауксусной кислоты 2-аминоэтанол гексаметилен-1,6-диамин триэтиламин этилендиаминтетраацетатоцинкаты аминов комплексы цинка молекулярная структура
Date of publication
01.04.2023
Year of publication
2023
Number of purchasers
0
Views
14

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