Yazar "Yilmaz, Hamza" seçeneğine göre listele

Listeleniyor 1 - 2 / 2
  • [ X ]
    Öğe
    SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF NOVEL ARYL-DITHIOFLUOROPHOSPHONATE DERIVATIVES AND X-RAY STUDIES OF [(4-CH3OC6H4)(F)P(S)S-][PH4P+]
    (Taylor & Francis Ltd, 2012) Saglam, Ertugrul Gazi; Celik, Omer; Yilmaz, Hamza; Acar, Nurcan
    Potassium and tetraphenylphosphonium salts of novel aryldithiofluorophosphonic acids were synthesized. Lawesson's Reagent was allowed to react with KF in acetonitrile to yield the potassium salt of p-methoxyphenyldithiofluorophosphonic acid. Treatment of the latter with tetraphenylphosphonium chloride resulted in the formation of the tetraphenylphosphonium salt. The structures of the compounds were elucidated by FTIR, H-1, C-13, F-19, and P-31 NMR spectroscopy as well as by ESI-mass spectrometry. The molecular and crystal structure of the tetraphenylphosphonium salt, determined by single crystal X-ray diffraction, is also presented. Supplemental materials are available for this article. Go to the publisher's online edition of Phosphorus, Sulfur, and Silicon and the Related Elements to view the free supplemental file.
  • [ X ]
    Öğe
    Synthesis, characterization, single crystal structure and theoretical studies of trans-Ni(II)-complex with dithiophosphonate ligand
    (Elsevier Science Bv, 2018) Karakus, Mehmet; Kara, Izzet; Celik, Omer; Orujalipoor, Ilghar; Ide, Semra; Yilmaz, Hamza
    A novel metal-organic planar NiS4 - type complex, trans-Ni(II)-bis[O-(2-butoxyethyl)-(4-methoxyphenyl)dithiophosphonate], was synthesized by the reaction of ammonium salt of O-dithiophosphonic acid with Ni(CH3COO)(2). The crystal structure of Ni(II)-complex was determined by X-ray Diffraction (XRD) analysis. As a result of the X-ray crystal and molecule structure analyses of the studied trans-Ni(II)-complex, it was obtained that the central nickel atom is coordinated by four sulphur atoms in slightly distorted a square-planar geometry. The X-ray structure confirms a trans isomer of the Ni(II)complex. The Ni(II)-complex crystallizes in the monoclinic space group C12/c1 with unit cell parameters a 22.376(3) (angstrom), b 18.466(3) (angstrom) and c 8.6875(13) (angstrom). In addition, theoretical calculations with the basis set of B3LYP/6-311 + G(2d,p) are performed to determine the structural properties, FT-IR, NMR spectrum, electronic properties and NBO analysis of the compound. The experimental and computed results of the Ni(II)-complex were found to be in good agreement. (C) 2018 Elsevier B.V. All rights reserved.