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Effect of linear and non-linear pseudohalides on the structural and magnetic properties of Co(II) hexacoordinate single-molecule magnets

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F18%3A73591067" target="_blank" >RIV/61989592:15310/18:73591067 - isvavai.cz</a>

  • Result on the web

    <a href="https://pubs.rsc.org/en/content/articlepdf/2018/dt/c7dt04256f" target="_blank" >https://pubs.rsc.org/en/content/articlepdf/2018/dt/c7dt04256f</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1039/c7dt04256f" target="_blank" >10.1039/c7dt04256f</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effect of linear and non-linear pseudohalides on the structural and magnetic properties of Co(II) hexacoordinate single-molecule magnets

  • Original language description

    A series of mononuclear hexacoordinate Co(II) complexes with the 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole (abpt) ligand and various linear and non-linear pseudohalides, such as NCSe (selenocyanate), N{C(CN)(2)}(2) (1,1,3,3-tetracyano-2-azapropenide, tcap), NO2C(CN)(2) (nitrodicyanomethanide, nodcm), C(CN) {C(CN)(2)}(2) (1,1,2,3,3-pentacyanopropenide, pcp), NO2NCN (nitrocyanamide, nca), and ONC(CN)(2) (nitrosodicyanomethanide, ndcm), was prepared. X-ray analyses revealed the formation of the complexes with the general compositions [Co(abpt)(2)(solv)(2)] X-2 (solv = H2O and X = tcap (1), solv = H2O and X = nodcm (2), solv = CH3OH and X = pcp (3)) or [Co(abpt)(2)(X)(2)] (X = nca (4), X = NCSe (5), X = ndcm (6)). The impact of axial co-ligands (solv or X) on the magnetic properties was investigated experimentally by measuring temperature-and field-dependent static (DC) and dynamic magnetic (AC) data as well as theoretically using the CASSCF/NEVPT2, AILFT, and AOM methods. Large magnetic anisotropy was found for all complexes 1-6 and was treated either by the spin Hamiltonian or with the Hamiltonian including the orbital angular momentum. Furthermore, the AC susceptibility measurements confirmed the slow relaxation of the magnetization in a non-zero static magnetic field, thus these complexes can be classified as field-induced single-molecule magnets with an estimated energy barrier U-eff up to 100 K.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10402 - Inorganic and nuclear chemistry

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    DALTON TRANSACTIONS

  • ISSN

    1477-9226

  • e-ISSN

  • Volume of the periodical

    47

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    15

  • Pages from-to

    1498-1512

  • UT code for WoS article

    000423760500018

  • EID of the result in the Scopus database

    2-s2.0-85041346926