Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Jana Chrappová"'
Publikováno v:
Crystals, Vol 14, Iss 8, p 685 (2024)
Three hybrid compounds based on decavanadates, i.e., (NH4)2[Co(H2O)5(β-HAla)]2[V10O28]·4H2O (1), (NH4)2[Ni(H2O)5(β-HAla)]2[V10O28]·4H2O (2), and (NH4)2[Cd(H2O)5(β-HAla)]2[V10O28]·2H2O (3), (where β-Hala = zwitterionic form of β-alanine) were
Externí odkaz:
https://doaj.org/article/387f68426e4d41cebac85b0b2cd08764
Publikováno v:
Journal of Chemical Crystallography. 53:228-235
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 200:110-115
Complex NH4[VO(O2)2(NH3)] (1) undergoes an order-disorder phase transition at Tc ~ 258 K. This transition is accompanied by change in the space group of the orthorhombic lattice and also by significant structural rearrangements of the constituent mol
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 200
Complex NH
Autor:
Jarmila Puskelova, Ján Šimunek, Peter Schwendt, Jana Chrappová, Jozef Noga, Gabriela Orešková, Róbert Gyepes
Publikováno v:
Structural Chemistry. 27:605-615
We present the crystal structures and spectral characterization of two glycolato peroxido complexes of vanadium(V) with divalent cations. Assignment of their experimental infrared and Raman solid-state spectra was corroborated by gas-phase and period
Autor:
Radovan Černý, Wouter van Beek, Ľubomír Smrčok, Peter Schwendt, Jana Chrappová, Mária Šimuneková
Publikováno v:
Central European Journal of Chemistry, Vol. 11, No 8 (2013) pp. 1352-1359
Open Chemistry, Vol 11, Iss 8, Pp 1352-1359 (2013)
Open Chemistry, Vol 11, Iss 8, Pp 1352-1359 (2013)
The first transition metal iodato peroxido complex, K3[V2O2(O2)4(IO3)]·H2O (I), was prepared by crystallization from the KVO3 — KIO3 — H2O2 — H2O — ethanol (HNO3) solution. The dinuclear anion is immediately decomposed in aqueous solution; t
Autor:
Mária Šimuneková, Ján Šimunek, Peter Schwendt, František Pavelčík, Jana Chrappová, Zdirad Žák
Publikováno v:
Inorganic Chemistry Communications. 24:125-128
Diperoxidovanadium complex with 1,10-phenanthroline, [N(C4H9)4]{[VO(HO2)(O2)(phen)][VO(O2)2(phen)]}⋅3H2O2⋅ H2O (1), has been prepared and characterized by infrared, Raman and 51V NMR spectra. X-ray structure analysis revealed the presence of dinu
Autor:
Vladimir G. Malkin, Michal Repiský, Michal Sivák, Jaromír Marek, Peter Schwendt, Jana Chrappová
Publikováno v:
Dalton Trans.. :465-473
Two new dinuclear fluoro peroxovanadium(v) complexes, Cs3[V2O2(O2)4F] x H2O (1) and Cs3[V2O2(O2)3F3] x 2HF x H2O (2), were prepared and characterized by elemental analysis, IR spectroscopy, thermal analysis and X-ray crystallography. While the anion
Publikováno v:
Polyhedron. 27:641-647
The compounds [{VO(O2)2(NH3)}2{μ-Cu(NH3)4}] (1) and [Zn(NH3)4][VO(O2)2(NH3)]2 (2) were prepared and characterized by elemental analysis and infrared spectra. The single crystal X-ray study revealed that the structure of 1 consists of trinuclear comp
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 91:293-297
The compound [Ni(NH3)6][VO(O2)2(NH3)]2 was prepared and characterized by elemental analysis and vibrational spectra. The single crystal X-ray study revealed that the structure consists of [Ni(NH3)6]2+ and [VO(O2)2(NH3)]− ions. As a result of weak i