Solid-Liquid Reaction Synthesis and Characterization of Bioinorganic Complexes of Nicotinic Acid with Antimony(III) and Bismuth(III) Ion

Bioinorganic complexes of nicotinic acid with trivalent antimony and bismuth are synthesized by solid-liquid reaction at room temperature. The formula of the complexes is Sb(C5H4NCOOH)2Cl3•H2O and Bi(C5H4NCOOH)2Cl3•H2O respectively. The crystal structure of the complex of nicotinic acid and Sb(III) belongs to triclinic system and that of nicotinic acid and Bi(III) belongs to monoclinic system. Thermal analysis can indicate the complex formation between antimony or bismuth ion and nicotinic acid.

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Darstellung, Reaktionen und spektroskopische Charakterisierung von [Os2X8]2-, X = Cl, Br, I, und Kristallstruktur von (PPN)2[Os2I8] · 2 CH2Cl2 / Preparation, Reactions and Spectroscopic Characterization of [Os2X8]2-, X = Cl, Br, I, and Crystal Structure of (PPN)2[Os2I8] · 2 CH2Cl2

Zeitschrift für Naturforschung B ◽

10.1515/znb-1990-1011 ◽

1990 ◽

Vol 45 (10) ◽

pp. 1416-1424 ◽

Cited By ~ 8

Author(s):

W. Preetz ◽

P. Hollmann ◽

G. Thiele ◽

H. Hillebrecht

Keyword(s):

Crystal Structure ◽

Structure Determination ◽

Triple Bond ◽

Room Temperature ◽

Spectroscopic Characterization ◽

Spectroscopic Constants ◽

Monoclinic System ◽

X Ray ◽

Fine Structures

The triply bonded octahalogenodiosmate(III) anions [Os2X8]2-, previously known with X = Cl, Br, have now been extended to include the iodide with two staggered OsI4 units. This compound was prepared by treating [Os2Cl8]2- with Nal at room temperature in acetone solution. The structure determination by X-ray diffractometry on single crystals of (PPN)2[Os2I8] · 2 CH2Cl2, reveals crystallization in the monoclinic system, space group P21/c with Z = 4. The Os-Os triple bond is with 2.212(1) Å the longest within the three octahalogenodiosmates(III). The Raman spectra show ν(OsOs) at 285, [Os2Cl8]2-; at 287, [Os2Br8]2- and for the iodo compound at 270.1 cm-1 with up to three overtones. The spectroscopic constants are calculated to be ω1 = 270.9 cm-1; X11 = -0.50 cm-1. The 10 Κ UV-VIS spectra of solid [(n-C4H9)4N]2[Os2X8] exhibit δ-π* transitions with maxima at 723, 690 and 643 nm, superimposed by vibrational fine structures with long progressions of 195, 211 and 183 cm-1 for X = Cl, Br, I, respectively. Oxidation of [Os2X8]2-, X = Cl, Br with the corresponding halogen leads to the cleavage of the Os-Os bond, and the dekahalogenodiosmates(IV), [Os2X10]2-, are formed

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Synthesis and Characterization of a Cubic Iron Hydroxy Boracite

Zeitschrift für Naturforschung B ◽

10.1515/znb-2011-0201 ◽

2011 ◽

Vol 66 (2) ◽

pp. 107-114 ◽

Cited By ~ 2

Author(s):

Stephanie C. Neumair ◽

Johanna S. Knyrim ◽

Oliver Oeckler ◽

Reinhard Kaindl ◽

Hubert Huppertz

Keyword(s):

Crystal Structure ◽

High Pressure ◽

High Temperature ◽

Single Crystals ◽

Room Temperature ◽

Synthesis And Characterization ◽

X Ray Diffraction ◽

X Ray ◽

High Pressure High Temperature

The cubic iron hydroxy boracite Fe3B7O13OH・1.5H2O was synthesized from Fe2O3 and B2O3 under high-pressure/high-temperature conditions of 3 GPa and 960 °C in a modified Walker-type multianvil apparatus. The crystal structure was determined at room temperature by X-ray diffraction on single crystals. It crystallizes in the cubic space group F4̄3c (Z = 8) with the parameters a = 1222.4(2) pm, V = 1.826(4) nm3, R1 = 0.0362, and wR2 = 0.0726 (all data). The B-O network is similar to that of other cubic boracites.

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Synthesis and characterization of a new Organic – Inorganic sulfate (C5H6N2O)2[Co(H2O)6]3(SO4)4.2H2O

JOURNAL OF ADVANCES IN CHEMISTRY ◽

10.24297/jac.v10i4.5505 ◽

2014 ◽

Vol 10 (4) ◽

pp. 2639-2647

Author(s):

M. Mathlouthi ◽

S. Benmansour ◽

M. Rzaigui ◽

W. Smirani Sta

Keyword(s):

Crystal Structure ◽

Aqueous Solution ◽

Three Dimensional ◽

Synthesis And Characterization ◽

Hybrid Compound ◽

Organic Layers ◽

Triclinic System ◽

Dimensional Network ◽

Inorganic Sulfate

crystals of a new hybrid compound, (C5H6N2O)2[Co(H2O)6]3(SO4)4.2H2O, were synthesized in aqueous solution and characterized. This compound crystallizes in the triclinic system with the space group P-1, the unit cell :a=6.632(3) Å, b=11.769(5) Å, c=14.210(6) Å, α=67.86(4)°, β=81.32(4)°, γ=85.18(4)° and V=1015.14(8) Å3 . Its crystal structure can be described as a packing of alternated inorganic and organic layers. The different components are connected by a three-dimensional network of O-H…O and N-H…O hydrogen bonds.

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Laboratory synthesis and characterization of Knasibfite K3Na4[SiF6]3[BF4] and the homologous Ge compound K3Na4[GeF6]3[BF4]

Zeitschrift für Kristallographie - Crystalline Materials ◽

10.1515/zkri-2019-0068 ◽

2020 ◽

Vol 235 (8-9) ◽

pp. 247-254

Author(s):

Jascha Bandemehr ◽

Josefin Klippstein ◽

Sergei I. Ivlev ◽

Malte Sachs ◽

Florian Kraus

Keyword(s):

Crystal Structure ◽

Phase Transition ◽

Raman Spectra ◽

Hydrofluoric Acid ◽

Room Temperature ◽

Synthesis And Characterization ◽

Infrared And Raman Spectra ◽

Monoclinic Structure ◽

Laboratory Synthesis

AbstractHerein we present the synthesis, crystal structure, and the infrared and Raman spectra of K3Na4[SiF6]3[BF4]. The compound also occurs in nature as the mineral Knasibfite. We obtained it from the reaction of stoichiometric amounts of SiO2, Na[BF4], K2CO3, and Na2CO3 in hydrofluoric acid at room temperature. Hydrofluorothermal synthesis at 200 °C lead to a product of higher purity. Knasibfite is colorless and crystallizes in space group Im 2m with a = 5.546(2), b = 9.261(2), c = 17.184(4) Å, V = 882.5(4) Å3, Z = 2, at T = 400(2) K. At 342 K a phase transition to a monoclinic structure was observed (I 2, a = 5.5003(6), b = 9.0890(9), c = 17.0048(2) Å, β = 90.041(9)°, V = 852.2(2) Å3, Z = 2, T = 100(2) K). By replacing SiO2 with GeO2 as a starting material K3Na4[GeF6]3[BF4] was obtained. This compound also crystallizes in form of two polymorphs, both of which are isotypic to the respective ones of K3Na4[SiF6]3[BF4].

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Synthesis and characterization of a new ZIF-67@MgAl2O4 nanocomposite and its adsorption behaviour

RSC Advances ◽

10.1039/d1ra01056e ◽

2021 ◽

Vol 11 (22) ◽

pp. 13245-13255

Author(s):

Mehdi Davoodi ◽

Fatemeh Davar ◽

Mohammad R. Rezayat ◽

Mohammad T. Jafari ◽

Mehdi Bazarganipour ◽

...

Keyword(s):

Room Temperature ◽

Magnesium Aluminate ◽

Synthesis And Characterization ◽

Magnesium Aluminate Spinel ◽

Adsorption Behaviour ◽

Zeolitic Imidazolate Framework ◽

Simple Method

New nanocomposite of zeolitic imidazolate framework-67@magnesium aluminate spinel (ZIF-67@MgAl2O4) has been fabricated by a simple method at room temperature with different weight ratios.

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Synthesis and Characterization of Polyphosphazenes Modified with Hydroxyethyl Methacrylate and Lactic Acid

International Journal of Polymer Science ◽

10.1155/2013/645869 ◽

2013 ◽

Vol 2013 ◽

pp. 1-7 ◽

Cited By ~ 1

Author(s):

Evelyn Carolina Martínez Ceballos ◽

Ricardo Vera Graziano ◽

Gonzalo Martínez Barrera ◽

Oscar Olea Mejía

Keyword(s):

Lactic Acid ◽

Ring Opening ◽

Room Temperature ◽

Block Structure ◽

Ring Opening Polymerization ◽

Synthesis And Characterization ◽

Poly Lactic Acid ◽

Hydroxyethyl Methacrylate ◽

H Nmr

Poly(dichlorophosphazene) was prepared by melt ring-opening polymerization of the hexachlorocyclotriphosphazene. Poly[bis(2-hydroxyethyl-methacrylate)-phosphazene] and poly[(2-hydroxyethyl-methacrylate)-graft-poly(lactic-acid)-phosphazene] were obtained by nucleophilic condensation reactions at different concentrations of the substituents. The properties of the synthesized copolymers were assessed by FTIR,1H-NMR and31P-NMR, thermal analysis (DSC-TGA), and electron microscopy (SEM). The copolymers have a block structure and show twoTg's below room temperature. They are stable up to a temperature of 100°C. The type of the substituents attached to the PZ backbone determines the morphology of the polymers.

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