Journal ArticleDOI
Structural studies on the actinide carboxylates—IV The crystal and molecular structure of succinate dioxouranium(VI) monohydrate
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TLDR
The structure of the title compound, UO2(CH2COO)2·H2O, has been determined from three-dimensional X-ray data as discussed by the authors.About:
This article is published in Journal of Inorganic and Nuclear Chemistry.The article was published on 1979-01-01. It has received 42 citations till now. The article focuses on the topics: Uranyl & Pentagonal bipyramidal molecular geometry.read more
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The crystal chemistry of uranium carboxylates
TL;DR: In this article, a comprehensive review of the crystal structures resulting from the different types of complexation of uranium with carboxylic acid molecules (excepting oxalate ligand) and their classification as a function of the nuclearity of identified building units is presented.
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Uranyl Ion Complexation by Aliphatic Dicarboxylic Acids in the Presence of Cucurbiturils as Additional Ligands or Structure-Directing Agents
TL;DR: A series of nine complexes has been obtained from the hydrothermal reaction of uranyl nitrate with long-chain alkyldicarboxylic acids (HOOC-(CH2)n-2-COOH, denoted H2Cn) in the presence of cucurbit[6]uril (CB6), dimethylformamide (DMF), and additional alkaline-earth metal ions in some cases as discussed by the authors.
Journal ArticleDOI
Crystal Engineering with the Uranyl Cation I. Aliphatic Carboxylate Coordination Polymers: Synthesis, Crystal Structures, and Fluorescent Properties
TL;DR: In this paper, four novel coordination polymers, UO2(C7H10O4) (1), UO 2C8H12O4 (2) and UO 3C10H16O4(4), were synthesized from UO(NO3)2·6H2O and aliphatic dicarboxylic acids (pimelic, suberic, azelaic, and sebacic acids, respectively) using hydrothermal techniques and were characterized by single-crystal diffraction.
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Uranyl and/or Rare-Earth Mellitates in Extended Organic–Inorganic Networks: A Unique Case of Heterometallic Cation–Cation Interaction with UVI═O–LnIII Bonding (Ln = Ce, Nd)
TL;DR: A series of uranyl and lanthanide mellitate (trivalent Ce, Nd) mellitates (mel) has been hydrothermally synthesized in aqueous solvent, and Mixtures of these 4f and 5f elements revealed the formation of a rare case of Lanthanide-uranyl coordination polymers.
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Occurence of an octanuclear motif of uranyl isophthalate with cation-cation interactions through edge-sharing connection mode.
TL;DR: UV-visible absorption spectroscopy confirmed that uranium was only involved in the structure as uranyl forms (excluding the presence of tetravalent or pentavalent uranium) and assigning four uranyl contributions to the four types of uranyl entities in theructure, in agreement with the XRD analysis.
References
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Journal ArticleDOI
A semi-empirical method of absorption correction
TL;DR: An extension of Furnas's method is described in this paper, where the variation of intensity of an axial reflection as the crystal is rotated about the goniometer axis is used to give a curve of relative transmission T against azimuthal angle ϕ for the corresponding reciprocal lattice level.
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X-ray scattering factors computed from numerical Hartree–Fock wave functions
D. T. Cromer,J. B. Mann +1 more
TL;DR: In this paper, the Hartree-Fock wave function was used to compute X-ray scattering factors for neutral atoms from He to Lw and for most of the chemically significant ions through Lu3+ through Lu 3+.
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Relativistic Calculation of Anomalous Scattering Factors for X Rays
Don T. Cromer,David A. Liberman +1 more
TL;DR: In this paper, relativistic calculations of the photoelectric cross section have been made and the integral for the principal contribution to Δf′ has been evaluated numerically without approximation to the form of the cross section-vs-energy curve, as has been done in previous calculations.
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Structural studies on actinides carboxylates—III Preparation, properties and crystal structure of lithium glutarate hydrogenglutarate dioxouranate(VI)tetrahydrate UO2(C5H6O4)Li(C5H7O4)·4H2O
TL;DR: The synthesis, thermal behaviour and crystal structure of lithium glutaratehydrogenglutaratedioxouranate (VI) tetrahydrate was described in this article, where the carboxylic groups were chelated on the uranium and monodentate on the lithium.