Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Boris, Zemva"'
Publikováno v:
ChemInform. 46
Thermal reaction between XeF2 and excess TiF4 (evacuated reaction vessel, -196 +135 °C, 12 h) results in the formation of the highly ionized XeII species [Xe2F3][Ti8F33] (I) and [XeF]2[Ti9F38] (II) which represent [Xe2F3]+ and [XeF]+ compounds diffe
Autor:
Melita Tramšek, Boris Zemva
Publikováno v:
Journal of Fluorine Chemistry. 127:1275-1284
A review of all known compounds of the type [Mn(L)m](AF6)n (M is a metal in the oxidation state n; A = P, As, Sb and Bi; L = HF, AsF3 and XeF2) is given with the emphasis on the compounds isolated and characterized by our group. The synthetic routes
Autor:
Boris Zemva, Melita Tramšek
Publikováno v:
Journal of Fluorine Chemistry. 125:1919-1924
Ca(AsF 3 )(AsF 6 ) 2 was prepared by the reaction of CaF 2 with excess AsF 5 in AsF 3 solvent. The compound crystallizes in an orthorhombic crystal system, space group Pnma , with a = 1034.9(4) pm, b = 1001.7(4) pm and c = 1088.4(4) pm, V = 1.1283(8)
Publikováno v:
Inorganic Chemistry. 43:1452-1457
Two new coordination compounds of cadmium with HF and XeF2 as ligands have been synthesized. Solid white [Cd(HF)](AsF6)2 is obtained from an anhydrous HF (aHF) solution of Cd(AsF6)2. It crystallizes in a monoclinic P2(1)/c space group with a = 9.4687
Autor:
Primoz Benkic, Kazuhiko Matsumoto, Zoran Mazej, Boris Zemva, Yasuhiko Ito, Ryuhei Yoshida, Hideaki Yoshino, Osamu Tamada, Rika Hagiwara, Seijiro Matsubara
Publikováno v:
Dalton Trans.. :144-149
Fluoroacid–base reactions of a room-temperature ionic liquid, 1-ethyl-3-methylimidazolium fluorohydrogenate (EMIm(HF)2.3F, EMIm = 1-ethyl-3-methylimidazolium cation), and Lewis fluoroacids (BF3, PF5, AsF5, NbF5, TaF5 and WF6) give EMIm salts of the
Publikováno v:
Journal of Fluorine Chemistry. 123:217-220
The rates of aqueous hydrolysis of the hexafluoropnictate ions, PnF 6 − (Pn=P, As, Sb, Bi) were determined using a fluoride ion selective electrode and understood qualitatively in terms of ionic size and polarizability of the central atom. Both S N
Publikováno v:
Inorganic Chemistry. 41:5521-5524
The reaction between Ba(SbF(6))(2) and excess XeF(2) in anhydrous HF at room temperature yields the white solid Ba(SbF(6))(2).5XeF(2) after the excess XeF(2) and the solvent have been removed under vacuum. Ba(SbF(6))(2).5XeF(2) crystallizes in the mo
Publikováno v:
Acta chimica Slovenica. 61(3)
Silver(I) tetrafluoridooxidovanadate(V) which contains the polymeric chain anion, [VOF(4)](nn-), has been prepared in reaction between AgNO(3) and VOF(3) in anhydrous HF solvent and characterised in the solid state by single-crystal X-ray diffraction
Publikováno v:
Journal of Fluorine Chemistry. 110:145-151
Raman spectra of highly fluorinated C x F samples (1 x x F samples prepared at room temperature exhibited two Raman bands at 1593–1583 and 1555–1542 cm −1 . Graphite samples fluorinated at 515°C for 1 and 2 min also gave similar bands at 1581
Publikováno v:
Inorganic Chemistry. 38:4570-4577
Interaction of Ag(+) salts in anhydrous liquid hydrogen fluoride, aHF, with AgF(4)(-) salts gives amorphous red-brown diamagnetic Ag(I)Ag(III)F(4), which transforms exothermally to brown, paramagnetic, microcrystalline Ag(II)F(2) below 0 degrees C. A