Journal article
Synthesis and characterization of homo- and heteronuclear molecular Al3+ and Th4+ species chelated by the ethylenediaminetetraacetate (edta) ligand
Dalton transactions : an international journal of inorganic chemistry, Vol.42(37), pp.13706-13714
10/07/2013
DOI: 10.1039/c3dt51517f
PMID: 23904037
Abstract
Four molecular species chelated by edta have been synthesized from aqueous solutions and characterized by single-crystal X-ray diffraction, infrared spectroscopy, and thermogravimetric analysis. [Th(H2O)4(edta)] (Th1) crystallized in monoclinic space group P2(1)/c with unit cell parameters of a = 8.5275(5) Å, b = 12.0635(7) Å, c = 15.8825(9) Å, and β = 105.340(2)°. Monoclinic space group C2 was identified for [Al2(edta)(OH)2(H2O)2] (Al2) with a = 11.1089(10) Å, b = 9.4830(8) Å, c = 7.6116(7) Å, and β = 112.026(3)°. [Th4(H2O)4Al10(H2O)8(OH)28(edta)4]·Cl2(H2O)29 (Th4Al10) formed the triclinic space group P1 with a = 9.3172(8) Å, b = 16.6099(14) Å, c = 19.5080(14) Å, α = 102.314(3)°, β = 95.615(3)°, and γ = 92.473(3)°. [Th2(H2O)2Al6(H2O)10(OH)14(edta)2]·(NO3)4(H2O)18 (Th2Al6) also crystallized in triclinic space group P1[combining macron] with unit cell parameters a = 10.9899(12) Å, b = 11.6107(12) Å, c = 14.3350(17) Å, α = 73.012(4)°, β = 87.411(4)°, and γ = 75.717(4)°. Small molecular species are observed in the Th1 and Al2 compounds, while the metal cations hydrolyze to create nanometer-sized heterometallic clusters in the Th4Al10 and Th2Al6 materials. The topological characteristics of each species are described and related to aqueous speciation in Th(4+), Al(3+)-edta systems.
Details
- Title: Subtitle
- Synthesis and characterization of homo- and heteronuclear molecular Al3+ and Th4+ species chelated by the ethylenediaminetetraacetate (edta) ligand
- Creators
- Melissa Fairley - Department of Chemistry, University of Iowa, W374 Chemistry Building, Iowa City, IA 52242, USADaniel K UnruhAmy DonovanSamangi AbeysingheTori Z Forbes
- Resource Type
- Journal article
- Publication Details
- Dalton transactions : an international journal of inorganic chemistry, Vol.42(37), pp.13706-13714
- DOI
- 10.1039/c3dt51517f
- PMID
- 23904037
- ISSN
- 1477-9226
- eISSN
- 1477-9234
- Language
- English
- Date published
- 10/07/2013
- Academic Unit
- Civil and Environmental Engineering; Core Research Facilities; Chemistry
- Record Identifier
- 9984216588402771
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