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@ARTICLE{OConnor:902614,
      author       = {O’Connor, Helen M. and Scott, Aaron J. and Pitak, Mateusz
                      B. and Klooster, Wim T. and Coles, Simon J. and Chilton,
                      Nicholas F. and McInnes, Eric J. L. and Lusby, Paul J. and
                      Weihe, Høgni and Piligkos, Stergios and Brechin, Euan K.
                      and Calvo, Sergio},
      title        = {[{C}r{III}8{N}i{II}6]n+ {H}eterometallic {C}oordination
                      {C}ubes},
      journal      = {Molecules},
      volume       = {26},
      number       = {3},
      issn         = {1420-3049},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2021-04409},
      pages        = {757 -},
      year         = {2021},
      abstract     = {Three new heterometallic [CrIII8NiII6] coordination cubes
                      of formulae [CrIII8NiII6L24(H2O)12](NO3)12 (1),
                      [CrIII8NiII6L24(MeCN)7(H2O)5](ClO4)12 (2), and
                      [CrIII8NiII6L24Cl12] (3) (where HL =
                      1-(4-pyridyl)butane-1,3-dione), were synthesised using the
                      paramagnetic metalloligand [CrIIIL3] and the corresponding
                      NiII salt. The magnetic skeleton of each capsule describes a
                      face-centred cube in which the eight CrIII and six NiII ions
                      occupy the eight vertices and six faces of the structure,
                      respectively. Direct current magnetic susceptibility
                      measurements on (1) reveal weak ferromagnetic interactions
                      between the CrIII and NiII ions, with JCr-Ni = + 0.045
                      cm−1. EPR spectra are consistent with weak exchange, being
                      dominated by the zero-field splitting of the CrIII ions.
                      Excluding wheel-like structures, examples of large
                      heterometallic clusters containing both CrIII and NiII ions
                      are rather rare, and we demonstrate that the use of
                      metalloligands with predictable bonding modes allows for a
                      modular approach to building families of related
                      polymetallic complexes. Compounds (1)–(3) join the
                      previously published, structurally related family of
                      [MIII8MII6] cubes, where MIII = Cr, Fe and MII = Cu, Co, Mn,
                      Pd},
      cin          = {PGI-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {5223 - Quantum-Computer Control Systems and Cryoelectronics
                      (POF4-522)},
      pid          = {G:(DE-HGF)POF4-5223},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33540541},
      UT           = {WOS:000615458800001},
      doi          = {10.3390/molecules26030757},
      url          = {https://juser.fz-juelich.de/record/902614},
}