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• W4315781181 endingPage "731" @default.
• W4315781181 startingPage "731" @default.
• W4315781181 abstract "The new heterometallic compounds, [{Cu(pn)2}2Ni(NCS)6]n·2nH2O (1), [{CuII(trien)}2Ni(NCS)6CuI(NCS)]n (2) and [Cu(tren)(NCS)]4[Ni(NCS)6] (3) (pn = 1,2-diaminopropane, trien = triethylenetetramine and tren = tris(2-aminoethylo)amine), were obtained and characterized by X-ray analysis, IR spectra, XAS and magnetic measurements. Compounds 1, 2 and 3 show the structural diversity of 2D, 1D and 0D compounds, respectively. Depending on the polyamine used, different coordination polyhedron for Cu(II) was found, i.e., distorted octahedral (1), square pyramidal (2) and trigonal bipyramidal (3), whereas coordination polyhedron for nickel(II) was always octahedral. It provides an approach for tailoring magnetic properties by proper selection of auxiliary ligands determining the topology. In 1, thiocyanate ligands form bridges between the copper and nickel ions, creating 2D layers of sql topology with weak ferromagnetic interactions. Compound 2 is a mixed-valence copper coordination polymer and shows the rare ladder topology of 1D chains decorated with [CuII(tren)]2+ antennas as the side chains attached to nickel(II). The ladder rails are formed by alternately arranged Ni(II) and Cu(I) ions connected by N2 thiocyanate anions and rungs made by N3 thiocyanate. For the Cu(I) ions, the tetrahedral thiocyanate environment mixed N/S donor atoms was found, confirming significant coordination spheres rearrangement occurring at the copper precursor together with the reduction in some Cu(II) to Cu(I). Such topology enables significant simplification of the magnetic properties modeling by assuming magnetic coupling inside {NiIICuII2} trinuclear units separated by diamagnetic [Cu(NCS)(SCN)3]3- linkers. Compound 3 shows three discrete mononuclear units connected by N-H…N and N-H…S hydrogen bonds. Analysis of XAS proves that the average ligand character and the covalency of the unoccupied metal d-based orbitals for copper(II) and nickel(II) increase in the following order: 1 → 2 → 3. In 1 and 2, a weak ferromagnetic coupling between copper(II) and nickel(II) was found, but in 2, additional and stronger antiferromagnetic interaction between copper(II) ions prevailed. Compound 3, as an ionic pair, shows, as expected, a spin-only magnetic moment." @default.
• W4315781181 created "2023-01-13" @default.
• W4315781181 creator A5017619395 @default.
• W4315781181 creator A5049273403 @default.
• W4315781181 creator A5060417246 @default.
• W4315781181 creator A5068276699 @default.
• W4315781181 creator A5078988089 @default.
• W4315781181 creator A5081616658 @default.
• W4315781181 date "2023-01-11" @default.
• W4315781181 modified "2023-09-30" @default.
• W4315781181 title "Structural Diversity, XAS and Magnetism of Copper(II)-Nickel(II) Heterometallic Complexes Based on the [Ni(NCS)6]4− Unit" @default.
• W4315781181 cites W1769608610 @default.
• W4315781181 cites W1905183855 @default.
• W4315781181 cites W1963933090 @default.
• W4315781181 cites W1966915796 @default.
• W4315781181 cites W1968935300 @default.
• W4315781181 cites W1969360633 @default.
• W4315781181 cites W1973286034 @default.
• W4315781181 cites W1976321922 @default.
• W4315781181 cites W1978705820 @default.
• W4315781181 cites W1983194115 @default.
• W4315781181 cites W1983770952 @default.
• W4315781181 cites W1989175537 @default.
• W4315781181 cites W1990150090 @default.
• W4315781181 cites W1990170643 @default.
• W4315781181 cites W1990696257 @default.
• W4315781181 cites W2002945186 @default.
• W4315781181 cites W2012488984 @default.
• W4315781181 cites W2016090522 @default.
• W4315781181 cites W2018643063 @default.
• W4315781181 cites W2022172054 @default.
• W4315781181 cites W2023630158 @default.
• W4315781181 cites W2027584562 @default.
• W4315781181 cites W2030304123 @default.
• W4315781181 cites W2037016591 @default.
• W4315781181 cites W2042397184 @default.
• W4315781181 cites W2043837127 @default.
• W4315781181 cites W2044165851 @default.
• W4315781181 cites W2045894490 @default.
• W4315781181 cites W2049225490 @default.
• W4315781181 cites W2050148570 @default.
• W4315781181 cites W2050444916 @default.
• W4315781181 cites W2054424512 @default.
• W4315781181 cites W2057964532 @default.
• W4315781181 cites W2061565256 @default.
• W4315781181 cites W2068652074 @default.
• W4315781181 cites W2074855138 @default.
• W4315781181 cites W2076221990 @default.
• W4315781181 cites W2078048471 @default.
• W4315781181 cites W2081684975 @default.
• W4315781181 cites W2083996233 @default.
• W4315781181 cites W2086334162 @default.
• W4315781181 cites W2089694905 @default.
• W4315781181 cites W2090143557 @default.
• W4315781181 cites W2105249240 @default.
• W4315781181 cites W2109899472 @default.
• W4315781181 cites W2117867509 @default.
• W4315781181 cites W2119133967 @default.
• W4315781181 cites W2127709168 @default.
• W4315781181 cites W2147340554 @default.
• W4315781181 cites W2154153665 @default.
• W4315781181 cites W2157588820 @default.
• W4315781181 cites W2169459566 @default.
• W4315781181 cites W2169508484 @default.
• W4315781181 cites W2170491238 @default.
• W4315781181 cites W2328906361 @default.
• W4315781181 cites W2329591111 @default.
• W4315781181 cites W2331092303 @default.
• W4315781181 cites W2331915526 @default.
• W4315781181 cites W2345315911 @default.
• W4315781181 cites W2522457843 @default.
• W4315781181 cites W2587383222 @default.
• W4315781181 cites W2767208027 @default.
• W4315781181 cites W2792507519 @default.
• W4315781181 cites W2802931319 @default.
• W4315781181 cites W2809102873 @default.
• W4315781181 cites W2886404995 @default.
• W4315781181 cites W2886877008 @default.
• W4315781181 cites W2925043493 @default.
• W4315781181 cites W2953311719 @default.
• W4315781181 cites W2955711876 @default.
• W4315781181 cites W2989639415 @default.
• W4315781181 cites W3005744440 @default.
• W4315781181 cites W3006830891 @default.
• W4315781181 cites W3012633715 @default.
• W4315781181 cites W3016079998 @default.
• W4315781181 cites W3025900342 @default.
• W4315781181 cites W3033413939 @default.
• W4315781181 cites W3080946623 @default.
• W4315781181 cites W3131413824 @default.
• W4315781181 cites W3163589303 @default.
• W4315781181 cites W3164322605 @default.
• W4315781181 cites W3215719231 @default.
• W4315781181 cites W4229925216 @default.
• W4315781181 cites W4239310998 @default.
• W4315781181 cites W4240991975 @default.
• W4315781181 cites W4293152656 @default.
• W4315781181 cites W4306803840 @default.

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