Browsing by Author "68175d1e-a04d-414b-af03-e662117f4ce2"
Now showing items 1-20 of 31
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1D magnetic interactions in Cu
(American Chemical Society, 2015)© 2015 American Chemical Society. We report the crystal face indexing and molecular spatial orientation, magnetic properties, electron paramagnetic resonance (EPR) spectra, and density functional theory (DFT) calculations ... -
2-(2-pyridylamino)pyridinium tetrachloridozincate(II)
(BLACKWELL PUBLISHING, 2008-06)The structure of the title compound, (C10H10N3)(2)[ZnCl4], is composed of C10H9N3H+ ( DPAH(+)) cations and [ ZnCl4](2-) anions. The two pyridyl rings of DPAH+ are approximately coplanar, with a dihedral angle of 7.2 ( ... -
A reusable CuII based metal-organic framework as a catalyst for the oxidation of olefins
(Royal Society of Chemistry, 2014)The metal-organic framework [Cu2(bipy)2(btec)] ∞ was used as a heterogeneous catalyst in the liquid phase oxidation of styrene and cyclohexene with tert-butylhydroperoxide (TBHP) as the oxidant either in water-dichloroethane ... -
Catena-(bis((1,10-phenanthroline-N,N0)-copper(II)) hydroxy-bis (phosphato)-tris(dioxo-vanadium(v))): A polymorphic phase driven by disorder
(Elsevier, 2013)In the present paper a copper(II) phosphovanadate is presented and formulated as [Cu6(phen)6(VVO2)6 (PO4)6(VVO2HO)3] (1a). This compound was obtained by hydrothermal synthesis and crystallizes in the triclinic group P-1, ... -
Catena-(bis((1,10-phenanthroline-N,N′)-copper(II)) hydroxy-bis(phosphato)-tris(dioxo-vanadium(v))): A polymorphic phase driven by disorder
(2013)In the present paper a copper(II) phosphovanadate is presented and formulated as [Cu6(phen)6(VVO2) 6(PO4)6(VVO2HO) 3] (1a). This compound was obtained by hydrothermal synthesis and crystallizes in the triclinic group P-1, ... -
Crystal lattice effect on the quenching of the intracluster magnetic interaction in [V12B18O60H6] 10- polyoxometalate
(Royal Society of Chemistry, 2014)In the present work, the synthesis and structural characterization of four new polyoxovanadoborate (BVO) frameworks based on the [V12B 18O60H6]10- polyanion are reported: (NH4)8(1,3-diapH2)[V12B 18O60H6]·5H2O (1), K ... -
Crystal structure and magnetic properties of a new chiral manganese(II) three-dimensional framework: Na3[Mn3(HCOO)9]
(2009)A structural and magnetic characterization of a trinuclear chiral Mn(ll) formate three-dimensional framework exhibiting a triangular arrangement is presented. Compound Na3[Mn3(HCOO)9] was obtained by solvothermal synthesis ... -
[Cu(H
(Royal Society of Chemistry, 2009)A new extended metal-organic framework [Cu(H<inf>2</inf>btec)(bipy)] <inf>∞</inf> (1) (H<inf>4</inf>btec= 1,2,4,5-benzenetetracarboxylic acid; bipy= 2,2′-bipyridine) has been hydrothermally ... -
Cu(II)–Gd(III) 2D-coordination polymer based on two different organic linkers
(Elsevier, 2017)A new CuII–GdIII heterometallic coordination polymer was obtained by a two-step synthesis, using the molecular complex [Cu(H2IDC)2(2,20-bipy)] 2H2O (1) as metalloligand and oxalate as auxiliary ligand (H3IDC = ... -
Effect of the counter-anion on the structural and magnetic properties of a copper(II) complex with 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6-(methylthio)phenol
(2013)A new 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6-(methylthio)phenol copper(II) perchlorate, complex, [Cu-2(mu-SL)(2)](ClO4)(2) (1), was synthesized and magnetically and structurally characterized. The complex consists ... -
Electronic and magnetic properties of iron (III) dinuclear complexes with carboxylate bridges
(2004)A series of dinuclear iron (III) complexes with carboxylate bridges, of the type [Fe2L2(H20)4](NO 3)2(H2O)m (m=1-3), where L=Schiff base derived from L-α-amino acids and salicylaldehyde have been prepared and characterised ... -
Electronic properties of mixed valence iron(II,III) dinuclear complexes with carboxylate bridges
(PERGAMON-ELSEVIER SCIENCE LTD, 2006-06-19)Mixed valence dinuclear iron(II,III) complexes of the type [Fe2L2(H2O)(4)](NO3)(H2O)(3), where L is the dianion of a Schiff base ligand derived from alpha-amino acids (glycine and L-isolecine) and 5-bromosalicylaldehyde, ... -
First copper(II) phase M ' 0.2Mn0.8PS3 center dot 0.25H(2)O and analogous M ' = Co-II, Ni-II and Zn-II materials obtained by microwave assisted synthesis
(Royal Soc Chemistry, 2015)M'(0.2)Mn(0.8)PS(3)0.25H(2)O materials are obtained by a mild microwave assisted reaction (M' = Co-II, Ni-II, Cu-II, Zn-II), which permitted us to obtain the first copper(II) bimetallic phase. All these materials have a ... -
First copper(ii) phase M′0.2Mn0.8PS3·0.25H2O and analogous M′ = CoII, NiII and ZnII materials obtained by microwave assisted synthesis
(Royal Society of Chemistry, 2015)© The Royal Society of Chemistry. M′0.2Mn 0.8PS3·0.25H2O materials are obtained by a mild microwave assisted reaction (M′ = CoII, NiII, CuII, ZnII), which permitted us to obtain the first copper(ii) bimetallic phase. All ... -
Influence of the lanthanide(III) ion in {[Cu3Ln2(oda)6(H2O)6]•nH2O}n (LnIII: La, Gd, Yb) catalysts on the heterogeneous oxidation of olefins
(Royal Society of Chemistry, 2017)© The Royal Society of Chemistry 2017.{[Cu3Ln2(oda)6(H2O)6]•nH2O}n (LnIII: La, Gd, Yb; odaH2: oxydiacetic acid) are reported as reusable heterogeneous catalysts in the oxidation of olefins. An influence of the LnIII ion ... -
The layered structure of poly[[hexaaqua( l4-benzene-1,2,4,5-tetracarboxylato) dicopper(II)] tetrahydrate]
(International Union of Crystallography, 2013)In the structure of the title compound, {[Cu2(C10H2O8)- (H2O)6] 4H2O}n, the benzene-1,2,4,5-tetracarboxylate ligand, (btec)4 , is located on a crystallographic inversion centre in a 4-coordination mode. The coordination ... -
Macrocyclic ZnII and CuII complexes as guests of the hybrid composites based on the layered MnPS3 phase. Comparison of spectroscopic properties
(Taylor and Francis Ltd., 2014)© 2014 Taylor & Francis. A family of macrocyclic complexes [M2LnCl2] have been synthesized and characterized (M: CuII or ZnII; Ln: macrocyclic ligand derived from 2-hydroxy-5-methyl-1,3-benzenedicarbaldehyde and different ... -
Magnetic properties of hybrid organo-inorganic copper(II) oxovanadate(V) phosphate and phosphonate bridged systems
(PERGAMON-ELSEVIER SCIENCE LTD, 2007-06)The hybrid organo-inorganic compounds [Cu4(bipy)4V4O11(PO4)2]nH2O (n 5) (1), [Cu2(phen)2(PO4)(H2PO4)2(VO2) Æ 2H2O] (2) and [Cu2(phen)2(O3PCH2PO3)(V2O5) (H2O)]H2O (3) which present different bridging forms of the ... -
Magnetic properties of vanadium(IV)-based extended systems: [(VO)3(l-PO4)2(2,20-bpy)(l-OH2)] 1/3H2O and (VO)2H4P2O9
(Elsevier, 2013)The magnetic properties of [(VO)3(l-PO4)2(2,20-bpy)(l-OH2)]1/3H2O (1) and (VO)2H4P2O9 (2), a tubular and a layered vanadium(IV) phosphates containing triply oxido bridged VIV dimers, are analyzed considering the ... -
Modulating magnetic properties of a macrocyclic dinuclear copper(II) complex: Influence of counteranions on the crystal structure
(PERGAMON-ELSEVIER SCIENCE LTD, 2006-07-10)A group of dinuclear copper(II) compounds containing the macrocyclic complexes Cu2L2+ (LH2 = C(24)H(2)sN(4)O(4): a ligand derived from the condensation of 4-methyl-2,6-diformylphenol with 1,3-diamine-2-propanol) have been ...
