[PDF] Top 20 Redetermination of Co4Nb2O9 by single crystal X ray methods
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Redetermination of Co4Nb2O9 by single crystal X ray methods
... cubic and orthorhombic polymorphs (Vega-Gonza´lez, 2002). The orthorhombic polymorph of this polycrystalline material, treated at 1273 K under air for three months, yielded single crystals of the oxides CoNb 2 O 6 ... See full document
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Redetermination of the crystal structure of NaTcO4 at 100 and 296 K based on single crystal X ray data
... Lattice parameters determined here with the precision of 0.0002-0.0005 A ˚ at 296 K (Table 1) are close to those of a = 5.342 (3) A ˚ , c = 11.874 (6) A ˚ given by Weaver et al. (2017). The lattice parameters at 100 K ... See full document
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Redetermination of the low temperature polymorph of Li2MnSiO4 from single crystal X ray data
... Geometry . All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in ... See full document
9
Redetermination of the crystal structure of tetralithium octafluoridozirconate(IV), Li4ZrF8, from single crystal X ray data
... crystal X-ray data. Alkali zirconium fluorides are important in nuclear-relevant technologies, and zirconium is commonly employed as an analogue for tetravalent f-block elements. The previous ... See full document
7
Redetermination of the crystal structure of β zinc molybdate from single crystal X ray diffraction data
... determined on the basis of single-crystal X-ray diffraction data. In comparison with previous powder X-ray diffraction studies [Katikaneani & Arunachalam (2005). Eur. J. ... See full document
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Structural parameters of dimethyl sulfoxide, DMSO, at 100 K, based on a redetermination by use of high quality single crystal X ray data
... C—H O contacts are the most prominent intermolecular interactions responsible for the three-dimensional arrange- ment of the DMSO molecules in the solid state (Fig. 2). In order to compare our results with the results of ... See full document
7
Heavy p-Block Analogues of Dithiazolyl Radicals
... Single crystal X-ray diffraction studies were performed using a Bruker SMART APEX diffractometer equipped with a Bruker Kryo-flex cryostream device and Mo-Kα radiation or on a Bruker Duo ... See full document
232
Redetermination of ruizite, Ca2Mn3+2[Si4O11(OH)2](OH)2·2H2O
... a redetermination of the ruizite structure by means of single-crystal X-ray diffraction data of a natural sample from the Wessels mine, Kalahari Manganese Field, Northern Cape Province, ... See full document
8
Redetermination of LaZn5 based on single crystal X ray diffraction data
... from single-crystal X-ray diffraction ...on X-ray powder data [Nowotny ...The crystal structure consists of three crytallogra- phically distinct ... See full document
8
Redetermination of Sr2PdO3 from single crystal X ray data
... Nielen & Hoppe (1970). Z. Anorg. Allg. Chem. 375, 209–213; Muller & Roy (1971). Adv. Chem. Ser. 98, 28–38; Nagata et al. (2002). J. Alloys Compd. 346, 50–56], all based on powder X-ray diffraction ... See full document
7
Redetermination of Dy3Ni from single crystal X ray data
... collection: X-AREA (Stoe & Cie, 2009); cell refinement: X- AREA; data reduction: X-AREA; program(s) used to solve structure: SIR2011 (Burla et ... See full document
7
Redetermination of Ba2CdTe3 from single crystal X ray data
... powder X-ray diffraction data [Wang & DiSalvo ...current redetermination from single- crystal X-ray data, all atoms were refined with anisotropic displacement ... See full document
6
Redetermination of dysprosium trinickel from single crystal X ray data
... from single-crystal X-ray diffraction ...powder X-ray diffraction data [Lemaire & Paccard ...present redetermination revealed refined coordinates and anisotropic ... See full document
9
Redetermination of the crystal structure of R5Si4 (R = Pr, Nd) from single crystal X ray diffraction data
... seed crystal, and after optimizing the initial conditions of the growth, the crystal was pulled at a constant rate of 12 mm hour 1 ...grown single-crystal samples were characterized by powder ... See full document
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Single X ray diffraction: A technique to elucidate the structure of crystal
... can be explored with radiation whose wavelength is comparable to inter-planar spacing. Most molecules usually have dimensions in the range 1 to 10 Å and it is far too small to be visible in the visible light. The ... See full document
7
Effect of Znso4 and Mnso4 on the Growth of Sulphamic Acid Single Crystals
... Single crystals of Sulphamic Acid doped with Zinc Sulphate and Manganese Sulphateweregrown at room temperature using slow evaporation technique. Structural analysis of the grown crystals was done using ... See full document
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Experimental Studies on L-Phenylalanine L-Phenylalaninium Benzoic Acid
... solution using slow solvent evaporation technique. The solvent of the supersaturated solution was allowed to evaporate through the perforated lid of the container. Due to spontaneous nucleation optically clear tiny ... See full document
5
Crystal structure of dicesium hydrogen citrate from laboratory single crystal and powder X ray diffraction data and DFT comparison
... form a three-dimensional framework. The citrate anion is located on a mirror plane. Its central hydroxy/carboxylate O—H O hydrogen bond is short, and (unusually) intermolecular. The centrosymmetric end-end carboxylate ... See full document
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Investigation of the structure of the perovskite system (1 x)BiFeO3 (x) (K0 5Bi0 5)TiO3
... Figure 4.22e shows a change from a tetragonal and monoclinic phase to a two-cubic mixed phase. The monoclinic phase becomes increasingly cubic with temperature, becoming indistinguishable from cubic at the temperature ... See full document
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Solid-State NMR of Quadrupolar Nuclei for Structural Elucidation
... There are many cases where strong rf pulses cannot excite nuclear spins across the entire frequency range of the spectrum, due to the extreme breadth of the pattern arising from anisotropic NMR interactions (i.e., CSA ... See full document
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