Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Fedor Valach"'
Publikováno v:
Inorganica Chimica Acta. 479:106-112
The crystal structure of [Cu2(CH3BrCHCOO)4]n (I) is composed of polymeric chains. Within each chain the shortest Cu⋯Cu distances are 2.583(6) A long. The structure of [Cu2(CH2BrCH2COO)4(H2O)2] (II) is composed of asymmetric complex units mutually c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::195adf4ecb712b65ea7741dd097eb802
https://doi.org/10.1016/j.ica.2018.03.022
https://doi.org/10.1016/j.ica.2018.03.022
Publikováno v:
Journal of Coordination Chemistry. 63:1645-1651
[Di(acetato)bis(4-aminopyridine)aquacopper(II)] exists in two different monoclinic forms. The crystal structure of Form 1, which crystallizes in space group P21/c, was determined by X-ray crystallography. Experimental data was then compared with that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bec905eb9c0290422b4e5872978fa823
https://doi.org/10.1080/00958972.2010.489204
https://doi.org/10.1080/00958972.2010.489204
Publikováno v:
Journal of Coordination Chemistry. 62:225-233
The crystal and molecular structure of monoclinic [di(caffeine)tetrakis(2-bromopropionato)dicopper(II)] · 0.8 water was determined using direct methods and Fourier techniques. The complex crystallizes in space group C2/c and is dimeric with square p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09f32d1c87c4825d4caa581916d13322
https://doi.org/10.1080/00958970802244968
https://doi.org/10.1080/00958970802244968
Publikováno v:
Journal of Chemical Crystallography. 36:571-580
Based on the bond-valence sum model the continual transition between the bidentate and monodentate bonding mode of carboxylato group and minimum of Cu–O bond lengths were estimated. The dependence of Cu⋯Cu separation on Cu–N bond length in binu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efdd058987f11859e24ae3a56d2e3ee8
https://doi.org/10.1007/s10870-006-9102-8
https://doi.org/10.1007/s10870-006-9102-8
This book introduces the concept of crystallographic non- rigidity and asymmetry of the transition elements as central atoms organometallic compounds. This intrinsic behavior of central atoms in condensed matter is quantified by applying statistical
Autor:
Milan Mazúr, Fedor Valach, Milan Melnik, Jozef Švorec, Ján Moncol, Miroslava Valková, Marian Valko, Christina J. Williams, Harry Morris
Publikováno v:
Journal of Molecular Structure. 659:53-60
The X-band Electron Spin Resonance spectra, ESR, of Cu(II) complexes with the carboxylic acids, HCOOH, CH3COOH, ClCH2COOH, Cl2CHCOOH, Cl3CCOOH, F2ClCOOH, CH3CH2COOH, niflumic acid and the ligands nicotinamide and papaverine have been studied. The com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d504f0fdc212c402815ce9e0e47629f7
https://doi.org/10.1016/s0022-2860(03)00502-7
https://doi.org/10.1016/s0022-2860(03)00502-7
Publikováno v:
Polyhedron. 20:1933-1937
The crystal and molecular structure of tetrakis(μ-o-propionato)bis(methyl 3-pyridyl-N-carbamate)dicopper(II) at 190 K was determined by X-ray analysis. The internuclear Cu⋯Cu distance is 2.6395(3) A. CuO bond lengths are 1.961(1), 1.9678(9), 1.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be0a1b94f23136294aad2152c49ae428
https://doi.org/10.1016/s0277-5387(01)00784-7
https://doi.org/10.1016/s0277-5387(01)00784-7
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 215:56-60
The crystal and molecular structure of tetrakis(2-fluorobenzoato-O,O´)-bis(2-fluorobenzoate-O) dicopper(II) - C42H26Cu2F60O12 - has been determined at room temperature. The blue-green crystals are monoclinic, space group P21/n (No.14), with unit cel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd55cb0599305405b21bdaf572e6aa3f
https://doi.org/10.1524/zkri.2000.215.1.56
https://doi.org/10.1524/zkri.2000.215.1.56
Autor:
Fedor Valach
Publikováno v:
Polyhedron. 18:699-706
Bond valence as the function of inter-nuclear distance for Cu–O and Cu–N bonds were estimated. Based on the developed bond-valence theory a mutual dependence between the bond length in copper coordination sphere with chromophores CuO 6 , CuO 5 ,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b47965ca0e51c069ae90dc870421fab
https://doi.org/10.1016/s0277-5387(98)00342-8
https://doi.org/10.1016/s0277-5387(98)00342-8
Publikováno v:
Polyhedron. 16:1461-1464
The crystal and molecular structure of the first copper(II) complex of (2-{[3-trifluoromethyl) phenyl]amino}-3-pyridinecarboxylate with 3-pyridylmethanol as neutral ligand was determined by X-ray analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83a23bfa13a3a619419947d83703fca5
https://doi.org/10.1016/s0277-5387(97)86511-4
https://doi.org/10.1016/s0277-5387(97)86511-4