Lorenz Volker, Liebing Phil, Hilfert Liane, Busse Sabine, Edelmann Frank T
Chemisches Institut der Otto-von-Guericke-Universität Magdeburg, Universitätsplatz 2, 39106 Magdeburg, Germany.
Acta Crystallogr E Crystallogr Commun. 2019 Jan 8;75(Pt 2):175-178. doi: 10.1107/S2056989019000094. eCollection 2019 Feb 1.
Treatment of scandium nitrate tetra-hydrate with the tetra-dentate ligand Hsalophen [,'-bis-(salicyl-idene)-1,2-phenyl-enedi-amine] afforded the yellow dinuclear complex Sc(NO)(μ-salophen)Sc(salophen)(EtOH) or [Sc(CHNO)(NO)(CHO)] (systematic name: (ethanol-κ)bis-(nitrato-κ ,'){μ-2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idene)]diphenolato-κ ,',,':κ ,'}{2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idene)]diphenolato-κ ,,','}discandium). In this compound, one salophen ligand displays a bridging coordination the two oxygen atoms, while the other salophen ligand is attached to only one Sc center. This arrangement is stabilized by a hydrogen-bonded EtOH co-ligand, and by π-π stacking inter-actions between the two salophen ligands.
用四齿配体Hsalophen [,'-双-(水杨醛亚胺)-1,2-苯二胺] 处理四水合硝酸钪，得到黄色双核配合物Sc(NO)(μ-salophen)Sc(salophen)(EtOH) 或 [Sc(CHNO)(NO)(CHO)]（系统名称：(乙醇-κ)双-(硝酸根-κ,'{μ-2,2'-[1,2-苯撑双(次氮基甲叉基)]二酚根-κ,'','':κ,'}{2,2'-[1,2-苯撑双(次氮基甲叉基)]二酚根-κ,,','}二钪）。在该化合物中，一个salophen配体通过两个氧原子显示桥连配位，而另一个salophen配体仅连接到一个Sc中心。这种排列通过氢键结合的乙醇共配体以及两个salophen配体之间的π-π堆积相互作用得以稳定。
