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Family of Polynuclear Nickel Cagelike Phenylsilsesquioxanes; Features of Periodic Networks and Magnetic Properties
journal contribution
posted on 2017-10-19, 14:51 authored by Alexey N. Bilyachenko, Alexey Yalymov, Marina Dronova, Alexander A. Korlyukov, Anna V. Vologzhanina, Marina A. Es’kova, Jérôme Long, Joulia Larionova, Yannick Guari, Pavel V. Dorovatovskii, Elena S. Shubina, Mikhail M. LevitskyA new family of bi-,
tetra-, penta-, and hexanickel cagelike phenylsilsesquioxanes 1–6 was obtained by self-assembly and
transmetalation procedures. Their crystal structures were established
by single-crystal X-ray analysis, and features of crystal packing
relevant to the network formation were studied by a topological analysis.
Compounds 1, 2, and 4 are isolated
architectures, while 3, 5, and 6 present extended 1D and 3D networks. The investigation of magnetic
properties revealed the presence of ferro- (1 and 3–5) or antiferromagnetic (2 and 6) interactions between Ni(II) ions, giving rise
in the most cases (1, 2, and 4–6) to the presence of a slow relaxation of the
magnetization, which can originate from the spin frustration.
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single-crystal X-ray analysismagnetizationpresencephenylsilsesquioxanetopological analysiscrystal structuresMagnetic PropertiesPeriodic NetworksPolynuclear Nickel Cagelike Phenylsilsesquioxaneshexanickelfrustrationnetwork formationself-assemblyantiferromagneticcagelikepentainvestigationrelaxationCompounds 11 Dinteractiontransmetalation procedurestetraferro3 D networks
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