High-Temperature Synthesis, Crystal Structure, and Properties of the New Sodium Rare-Earth Oxide Borates Na2RE2(BO3)2O (RE = Dy, Ho)
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Gunter Heymann
Abstract
The new monoclinic oxide borates Na2RE2(BO3)2O (RE = Dy, Ho) were synthesized using standard solid-state reactions in the temperature range 900 - 950 ◦C. They are isotypic to the known phases Na2RE2(BO3)2O (RE = Y, La, Nd, Sm-Gd, Er). The single crystal X-ray structure determination of Na2Dy2(BO3)2O revealed: P21/c, a = 1063.9(1), b = 626.2(1), c = 1025.3(1) pm, β = 117.76(1)◦, Z = 4, R1 = 0.0221, wR2 = 0.0402 (all data). The corresponding lattice parameters of Na2Ho2(BO3)2O determined from powder data are a = 1061.2(5), b = 623.7(2), c = 1022.5(3) pm, and β = 117.7(1)◦. The structure consists of infinite sheets of REO8-polyhedra in the bc-plane, which are seperated by sodium atoms. The BO3-groups are isolated forming layers in the bc-plane. The results of IR-spectroscopic investigations, temperature-resolved in-situ powder-diffraction measurements, and DTA/TG measurements on Na2Dy2(BO3)2O are also presented.
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- Professor Hubert Schmidbaur zum 70. Geburtstag
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- Indirect Nuclear Spin-Spin Coupling Constants nJ(11B, 1H) and nJ(11B, 11B) in Some Boron Hydrides - Density Functional Theory (DFT) Calculations
- High-Temperature Synthesis, Crystal Structure, and Properties of the New Sodium Rare-Earth Oxide Borates Na2RE2(BO3)2O (RE = Dy, Ho)
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Artikel in diesem Heft
- Professor Hubert Schmidbaur zum 70. Geburtstag
- Synthese und Reaktionsverhalten von {[Hf](μ-σ,π-C≡CR)2 }Ni(CO); die Röntgenstrukturanalyse von [(η5-C5H4SiMe3)2Hf(C≡CtBu)]2O / Synthesis and Reaction Behaviour of {[Hf](μ −σ ,π -C≡CR)2}Ni(CO); the Solid-State Structure of [(η5–C5H4SiMe3)2Hf(C≡CtBu)]2O
- Indirect Nuclear Spin-Spin Coupling Constants nJ(11B, 1H) and nJ(11B, 11B) in Some Boron Hydrides - Density Functional Theory (DFT) Calculations
- High-Temperature Synthesis, Crystal Structure, and Properties of the New Sodium Rare-Earth Oxide Borates Na2RE2(BO3)2O (RE = Dy, Ho)
- Spectroscopic Investigation of the System TeCl4/[NEt4]PF6 in Solution and the Crystal Structure of [NEt4]2[Te2Cl10]
- Hydroalumination of Nitriles and Isonitriles
- Molybdenum(VI) cis-Dioxo Complexes with Chiral Schiff Base Ligands: Synthesis, Characterization, and Catalytic Applications
- Crystal Structure and Thermal Solid-State Reactivity of Ammonium Cyanoureate NH4[H2NC(=O)NCN]
- Structural Chemistry of Titanium Alkoxides Substituted by the Chelating Bidentate Ligands Isoeugenolate or 2-Aminoethanolate
- Formation and Structure of a Bis(cyclopentadienyl)(formamidinato)zirconium Cation Complex
- Nucleophilic Aromatic Substitution of 2-(3(5)-Pyrazolyl)pyridine: A Novel Access to Multidentate Chelate Ligands
- Syntheses, Structures and Vibrational Spectroscopy of Some Adducts of Copper(I) Cyanide with Pyridine Bases
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- Selective Substitution of Hex2SiFCl for the Preparation of Polymers with Two Different Alternate π-Electron Systems Linked by Hex2Si Units
- Novel Five- and Six-Membered Diazasilacycloalkanes: Synthesis, Structure and Properties
- First X-Ray Structure of a Cationic Silicon Complex with Salen-Type Ligand: An Unusual Compound with Two Different Si-N Dative Bonds
- Synthesis and Derivatization of Homoleptic Dinuclear Lanthanide Siloxide Complexes
- Silver(I) Complexes with the 1,1’-Bis(diethyldithiocarbamate)ferrocene Ligand. Polymeric Chain Species
- Pyrrole Thioaldehyde Complexes of Nickel, Palladium and Platinum
- Luminescent Gold(I)-Thallium(I) Arrays through N-Bidentate Building Blocks
- Pt-Dumbbells in Ba3Pt2: Interplay of Geometric and Relativistic Effects on Pt–Pt Bonding
- Random Interstitial Halide Accommodation in an α,ω-Alkylidene-diammonium Template
- Multidentate Aminoalkoxides. Synthesis and Complexation Behavior to Lithium and Sodium
- Crystal and Molecular Structure of P(C6H5)5 · 0.5 THF
- N-Benzyl- und N-Heptyl-substituierte Tetraazacyclododecane / N-Benzyl and N-Heptyl Substituted Tetraazacyclodecanes
- Metal Complexes of Biologically Important Ligands, CLVI [1]. Metal Complexes of 4-Iodo-L-phenylalanine. Oxidative Addition of 4-Iodo-L-phenylalanine Ester to Palladium(0)
- Secondary Interactions in Gold(I) Complexes with Thione Ligands, 3. Three Ionic Dimesylamides [1, 2]
- A Novel Crown-Ether Stabilized Oxonium Halogenochalcogenate(IV): [H7O3(Bis-dibromo-dibenzo-30-crown-10)][Se2Br9]·1.5CH2Cl2
- Intramolecular Carbene and Carbenoid Reactions of α-(Vinyloxy)silyl-α-diazoacetates
- The Modulated Structure of SrAuSn2
- Synthesis and Structure of the Helicate (M)-(–)-[Pt2 {(R,R)-tetraphos}2](CF3SO3)4 · 4.5 H2O
- Synthesis and Reactivity of Novel Alkali Metal Stannides
- N-Aryl Anions: Half Way between Amides and Carbanions
- Oxidative Addition of Methyl Iodide to Dinuclear Gold(I) Amidinate Complex: Schmidbaur’s Breakthrough Reaction Revisited with Amidinates
- Polymorphism of Trimeric Perfluoro-ortho-phenylene Mercury, [Hg(o-C6F4)]3
- Macrocyclic Gold(I) Complexes with Bridging Diacetylide and Diphosphine Ligands
- Trioxorhenium(VII) Complexes with Imidazolin-2-iminato Ligands
- Synthesis and Characterization of Cl2HSi-O-NMe2
- Strukur und Reaktivität von Al2Cp*+ in der Gasphase. Ein experimenteller Beitrag zur Problematik der Aluminium-Aluminium- Doppelbindung / Structure and Reactivity of Al2Cp*+ in the Gas Phase. Experiments on the Problematic Nature of the Aluminum-Aluminum-Multiple Bond
- Pd(II) Complexes of N-Allyl Substituted N-Heterocyclic Carbenes
- Formamidinium Salts of Low Valent Metal Halide Anions MX3 – (M = Ge, Sn) and M2X62– (M = Ga, In)
- Organoaluminium and -gallium Lewis-Acid Adducts of Tetramethylmethylenediamine
- Synthesis and Reactivity of Ti(III) Tris(tert-butoxy)siloxy Complexes
- (EtZn)4Zn2(PSitBu3)4 – a Homometallic Phosphanediide of Zinc with a Novel Zn6P4 Cage
- Ordnung und Fehlordnung der Anionen in tetragonalen Boridcarbiden der Seltenerdmetalle / Order and Disorder of Anions in Tetragonal Boride Carbides of Rare Earth Metals
- Binuclear Ten-Membered Ring Cyclometallated Complexes of Digold(I) and their Reactions with Iodine and Bromine
- Bis-, Tris- and Tetrakis(lithiomethyl)germanes: New Building Blocks for Organogermanium Compounds
- Synthesis and Crystal Structure Analysis of C60 Fulleride Dianions in Solvates of [A([2.2.2]crypt)]2[C60] (A = K, Rb, Cs)
- Gold-Thiolate Clusters: A Relativistic Density Functional Study of the Model Species Au13(SR)n, R = H, CH3, n = 4, 6, 8
- The Zinc Aqua Complex of a Tetrapodal Pentaamine Ligand and its Reactivity towards Carbon Dioxide
- Mono- and Binuclear Gold(I) Amido Compounds of Purine Derivatives