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1“…The Ni(II) and Si atoms are each located on a special position with site symmetry 3.2. The Ni(II) atom coordination sphere is octahedrally deformed, being coordinated by three chelating diamine ligands with an Ni—N distance of 2.1233 (18) Å. …”
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2por Sanjuan-Szklarz, W. Fabiola, Woińska, Magdalena, Domagała, Sławomir, Dominiak, Paulina M., Grabowsky, Simon, Jayatilaka, Dylan, Gutmann, Matthias, Woźniak, Krzysztof“…Almost 99.7% of them were obtained by approximating atoms as spheres within the independent atom model (IAM) introduced over a century ago. …”
Publicado 2020
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3“…Paradigmatic model systems, which are used to study the mechanical response of matter, are random networks of point-atoms, random sphere packings, or simple crystal lattices; all of these models assume central-force interactions between particles/atoms. …”
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4“…Our definition, founded on the β-skeletons in computational geometry, requires that there is no other atom in the contact spheres defined by two contact atoms; this sphere is similar to the van der Waals spheres of atoms. …”
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