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Article
Open AccessSynthesis and conformational analysis of a potentially super-armed glucuronidation donor
The concise synthesis of a potentially “super-armed” glucuronidation donor is reported. The α-anomer was crystallized and analyzed by single crystal X-ray diffraction. The pyranose ring was found to be in a tw...
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Article
Open AccessStructural studies on synthetic A2−x[M2(TeO3)3]·nH2O phases (A = Na, K, Rb, Cs; M = Mn, Co, Ni, Cu, Zn) with zemannite-type structures
During a systematic study on formation conditions of new compounds with zemannite-type structures, crystals of ten new oxidotellurate(IV) phases were grown under hydrothermal conditions, partially by employing...
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Article
Open AccessK[(CuII,MnII,MnIII)2(TeO3)3]∙2H2O, the first zemannite-type structure based on a Jahn-Teller-distorted framework
Synthetic single crystals of K[(CuII,MnII,MnIII)2(TeO3)3]·2H2O were obtained from an overconcentrated alkaline aqueous solution in the system K2O-MnO-CuO-TeO2 under hydrothermal conditions at T ≤ 220 °C. Subeuhed...
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Article
Open AccessCrystal structure and investigation of Bi2TeO6·nH2O (0 ≤ n ≤ \({\raise0.5ex\hbox{\(\scriptstyle 2\)} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{\(\scriptstyle 3\)}}\) ): natural and synthetic montanite
The crystal structure of montanite has been determined using single-crystal X-ray diffraction on a synthetic sample, supported by powder X-ray diffraction (PXRD), electron microprobe analysis (EPMA) and thermo...
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Article
Electrocatalytic cleavage of a carbon–chlorine bond by Re(IV)–chloro complex: a mechanistic insight from DFT
A new mononuclear hexachlororhenate complex salt ((2-ppyH)2[ReCl6], where 2-ppyH+ = 2-phenylpyridinium cation) was synthesized and structurally characterized by X-ray crystallography. The hexachlororhenate compl...
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Article
Crystal structure and thermal behavior of Bi \(_6\) Te \(_2\) O \(_{15}\) : investigation of synthetic and natural **guite
The previously unknown crystal structure of **guite was determined and refined from laboratory X-ray powder diffraction data using a synthetic sample. Additional single crystal diffraction of natural **gui...
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Article
Open AccessThe caesium phosphates Cs3(H1.5PO4)2(H2O)2, Cs3(H1.5PO4)2, Cs4P2O7(H2O)4, and CsPO3
The caesium phosphates Cs3(H1.5PO4)2(H2O)2 and Cs3(H1.5PO4)2 were obtained from aqueous solutions, and Cs4P2O7(H2O)4 and CsPO3 from solid state reactions, respectively. Cs3(H1.5PO4)2, Cs4P2O7(H2O)4, and CsPO3 wer...
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Article
Open AccessThe phase transition of Pb8F14I2
The reversible phase transition of Pb8F14I2 is of continuous type and takes place at about 107 °C as monitored by temperature-dependent single crystal and powder X-ray diffraction measurements, optical microscopy...
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Article
Design and synthesis of basic ionic liquids for the esterification of triterpenic acids
We present the design and synthesis of Brønsted-basic ionic liquids and investigate their application in the microwave-assisted esterification of betulinic acid, aiming towards a benign and pyridine-free manuf...
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Article
Open AccessA chromium tricarbonyl complex featuring the 4,6-bis(diphenylphosphinomethyl)dibenzothiophene (PSPPh) ligand
The new PSP pincer ligand 4,6-bis(diphenylphosphinomethyl)dibenzothiophene (PSPPh) was prepared in 89 % yield. With this ligand, a solvothermal synthesis of a Cr complex of the type [Cr(κ3 ...
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Article
Theoretical and experimental study of the protonated 2,4,6-tri(2-pyridyl)-1,3,5-triazine [TPTZH2]2+
The reaction between 2,4,6-tri(2-pyridyl)-1,3,5-triazine (TPTZ) and sulfuric acid in the presence of NH4PF6 yielded crystals of [TPTZH2](PF6)2·H2O, characterized by spectroscopic methods and single-crystal X-ray ...
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Article
The calcium oxotellurate(IV) nitrates Ca5Te4O12(NO3)2(H2O)2 and Ca6Te5O15(NO3)2
Single crystals of two novel calcium oxotellurate(IV) nitrates were grown under hydrothermal conditions and were structurally characterized by X-ray diffraction. Ca \(_5\) Te ...
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Article
Impact of growth temperature on the crystal habits, forms and structures of VO2 nanocrystals
We investigated the impact of the process temperature on the habits, forms and crystal structure of VO2 nanocrystals grown by a vapor-transport method on (0001) quartz substrates. Four distinct growth regimes wer...
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Article
Synthesis, characterization, and crystal structure of two zinc(II) halide complexes with the symmetrical bidentate Schiff-base ligand (3,4-MeO-ba)2en
In this study two zinc(II) halide complexes with the Schiff-base ligand (3,4-MeO-ba)2en [N,N′-bis(3,4-dimethoxybenzylidene)ethane-1,2-diamine] have been synthesized and characterized by elemental analyses (CHN), ...
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Article
The mononuclear ruthenium(III)-2,3,5,6-tetrakis(2-pyridyl)pyrazine complex [Ru(bpy)(tppz)Cl][PF6]2: synthesis, crystal structure, electrochemical, and spectroelectrochemical studies
The mononuclear Ru(III) complex, [Ru(bpy)(tppz)Cl][PF6]2.acetylacetone, where tppz is 2,3,5,6-tetrakis(2-pyridyl)pyrazine and bpy is 2,2′-bipyridine, has been prepared and characterized by physicochemical and spe...
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Article
Crystal Structure and Characterisation of Mercury(II) Dichromate(VI)
Dark-red single crystals of HgCr2O7 were grown by reacting HgO and CrO3 in excess at 200°C for four days. The crystal structure (space group P32, Z = 3, a = 7.2389(10), c = 9.461(2) Å, 1363 structure factors, 57 ...
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Article
Single Crystal Growth, Crystal Structure and Thermal Behaviour of Mercury(II) Pyrophosphate Dihydrate
Colourless single crystals of Hg2P2O7(H2O)2 up to 0.4 mm in length were grown by a diffusion technique starting from aqueous solutions of Na4P2O7 and Hg(NO3)2. The crystal structure is isotypic with that of Ca2P
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Article
Preparation, Thermal Behaviour, and Crystal Structure of MgAl2F8(H2O)2
Single crystals of MgAl2F8(H2O)2 have been obtained under hydrothermal conditions (250°C, 14 d) from a starting mixture of AlF3 and MgAlF5(H2O)2 in a 5% (w/w) HF solution. The crystal structure has been determin...
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Article
The Thermal Dehydration of Magnesium Aluminum Pentafluoride Dihydrate: Crystal Structures of MgAlF5(H2O)2 and MgAlF5
Small plate-like single crystals of MgAlF5(H2O)2 have been obtained during hydrothermal treatment (270°C) of microcrystalline material prepared by precipitation of stoichiometric solutions of Al2(SO4)3 · 18H2O ...
