2024-03-28T09:49:52Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1229552022-12-14T08:33:02Zcom_10261_89com_10261_3col_10261_342
DIGITAL.CSIC
author
Gil-García, Rubén
author
Gómez-Sáiz, Patricia
author
Díez-Gómez, Virginia
author
Madariaga, Gotzon
author
Insausti, Maite
author
Lezama, Luis
author
Cuevas, José V.
author
García-Tojal, Javier
funder
Ministerio de Ciencia e Innovación (España)
funder
Junta de Castilla y León
funder
Ministerio de Economía y Competitividad (España)
funder
Universidad de Burgos
funder
Fundación Caja de Burgos
2015-10-02T11:58:56Z
2015-10-02T11:58:56Z
2014-07-27
Polyhedron 81: 675-686 (2014)
http://hdl.handle.net/10261/122955
10.1016/j.poly.2014.07.032
http://dx.doi.org/10.13039/501100004837http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100014180
New thiosemicarbazonecopper(II) compounds with formulae [{Cu(L′)Cl}2] 1, [{Cu(L′)I}2] 2, [{CuL(H 2O)}2](SiF6)·4H2O 3, [{Cu(L′)(H2O)}2][Cu(L′)(H2O) 2]2-(SiF6)2·8H2O 4, Cu(HL)(SiF6)·4H2O 5, {Cu(HL)(H 2O)(SiF6)}n·nH2O 6 and Cu(HL′)(SiF6)·3H2O 7 have been synthesized and characterised, (HL = 2-pyridinecarbaldehyde thiosemicarbazone, and HL′ = 2-pyridinecarbaldehyde 4N-methylthiosemicarbazone). X-ray structural analyses on 1, 2, 3, 4 and 6 reveal that π-π stacking, anion-π and hydrogen bond interactions are present. The latter gives raise to helical chains (3) and hexameric clusters (4) of water molecules. The formation of S-bridged or X-bridged dimers is discussed. The magnetic properties of compounds 1-4 are shown. The influence of the electronegativity of the ancillary ligands, the anionic vs. neutral nature and the substituents in the thiosemicarbazone, together with the absence of inversion centres are studied in the S-bridged dimers, as models for other [Cu2(μ-SR)2] magnetic systems. © 2014 Elsevier Ltd. All rights reserved.
eng
closedAccess
Copper
Magnetism
Non-covalent interactions
Thiosemicarbazone complexes
Water clusters
Thiosemicarbazonecopper(II) compounds with halide/hexafluorosilicate anions: Structure, water clusters, non-covalent interactions and magnetism
artículo
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