Zobrazeno 1 - 10
of 467
pro vyhledávání: '"Qian‑Feng Zhang"'
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 7, Pp 104866- (2023)
A sulfonate-functionalized C-iso-butyl-calix[4]resorcinarene was synthesized by the sulfomethylation reaction from calix[4]resorcinarene with formaldehyde solution and sodium sulfite. Sulfonatomethylated calix[4]resorcinarene (C4RS) adopts a symmetri
Externí odkaz:
https://doaj.org/article/1a42042babcb4b8b892300891ac0e38a
Publikováno v:
Materials Research, Vol 16, Iss 1, Pp 173-180 (2013)
Manganese vanadate microtubes have been synthesized by a facile polyvinyl pyrrolidone-assisted hydrothermal route. X-ray diffraction pattern confirms that the microtubes are composed of monoclinic MnV2O6, tetragonal V2O5 and orthorhombic MnO2 phases.
Externí odkaz:
https://doaj.org/article/e77ce3b9b5d84b32811d4361c4ba4e66
Publikováno v:
Materials Research, Vol 15, Iss 1, Pp 90-96 (2012)
Single crystalline Ca2Ge7O16 nanowires have been synthesized using CaO and GeO2 as the raw materials. Various factors that affect the formation and size of the Ca2Ge7O16 nanowires have been analyzed. The obtained products are characterized by X-ray d
Externí odkaz:
https://doaj.org/article/b462ecc8caad4b49abaa8f93de4ee1f2
Publikováno v:
Materials Research, Vol 13, Iss 3, Pp 339-343 (2010)
Magnesium oxide and magnesium aluminate (MgAl2O4) spinel (MAS) powders have been synthesized by a simple aqueous sol-gel process using citrate polymeric precursors derived from magnesium chloride, aluminium nitrate and citrate. The thermal decomposit
Externí odkaz:
https://doaj.org/article/5d5bca78d9454c448a8b62d0e5f0d50c
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 11, Pp m608-m608 (2013)
The title compound, {(C6H8N)[AgWSe4]·C6H7N}n, consists of anionic [WAgSe4]n chains, 2-methylpyridinium cations and neutral 2-methylpyridine molecules. The Se atoms bridge the Ag and W atoms, forming a polymeric chain extending along the b-axis direc
Externí odkaz:
https://doaj.org/article/21a902355f4c4195960b57ca19da7126
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1171-o1171 (2013)
The asymmetric unit of the title compound, C38H34Cl2O2Te2·H2O, contains two independent TeIV cations, each coordinated by three phenyl ligands, two Cl− anions and one acetic acid molecule in a distorted octahedral C3Cl2O geometry; the longer Te...
Externí odkaz:
https://doaj.org/article/0f52559413f246948b8f3b2dbfd74f1e
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp m404-m404 (2013)
In the title complex, [Mn(C20H14N2O2)Cl]·CH3OH, the central MnIII atom displays a distorted square-pyramidal coordination by two N and two O atoms from the tetradentate 2,2′-[1,2-phenylenebis(nitrilomethanylylidyne)]diphenolate ligand and one chlo
Externí odkaz:
https://doaj.org/article/5a4d223df96c4f068e3969f9d65812cc
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp m342-m342 (2013)
In the title coordination polymer, [Ag2Cl2(C10H8N2)(C18H15P)2]n, the AgI cation is coordinated by a 4,4′-bipyridine N atom, a triphenylphosphane P atom and two Cl− anions in a distorted tetrahedral geometry. The 4,4-bipyridine and Cl− anions br
Externí odkaz:
https://doaj.org/article/210b521725bf4cbba6bfeb28816507f0
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp m340-m340 (2013)
In the title complex, [RuCl2(CH3CN)3(C18H15P)]·CH3CN, the coordination geometry of the RuII atom is distorted octahedral, defined by one P atom from a triphenylphosphane ligand, three N atoms from three acetonitrile ligands and two Cl atoms. The thr
Externí odkaz:
https://doaj.org/article/040a19c571bf4bf68492c87577ca3300
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp m343-m343 (2013)
The structure of the title complex, [FeRu(C5H5)(C5H4OPS2)(CO)(C18H15P)2(H2O)]·CH2Cl2, consists of one neutral [{FcP(O)S2}Ru(CO)(H2O)(PPh3)2] complex [Fc = Fe(η5-C5H4)(η5-C5H5)] and one CH2Cl2 solvent molecule. The geometry around the RuII atom is
Externí odkaz:
https://doaj.org/article/c0b671920c894576839fd9e6487b9441