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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Tris(N-{bis­[meth­yl(phen­yl)amino]­phosphor­yl}benzene­sulfonamidato-κ2O,O′)(1,10-phenanthroline-κ2N,N′)lanthanum(III)
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Tris(N-{bis­[meth­yl(phen­yl)amino]­phosphor­yl}benzene­sulfonamidato-κ2O,O′)(1,10-phenanthroline-κ2N,N′)lanthanum(III)

机译:三(N- {双(甲基(苯基)氨基]磷酰基}苯磺酰胺基-κ2O,O')(1,10-菲咯啉-κ2N,N')镧(III)

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摘要

The asymmetric unit of [La(C20H21N3O3PS)3(C12H8N2)] is created by one LaIII ion, three deprotonated N-{bis­[meth­yl(phen­yl)amino]­phosphor­yl}benzene­sulfonamidate (L−) ligands and one 1,10-phenanthroline (Phen) mol­ecule. Each LaIII ion is eight-coordinated (6O+2N) by three phosphoryl O atoms, three sulfonyl O atoms of three L− ligands and two N atoms of the chelating Phen ligand, leading to the formation of six- and five-membered metallacycles, respectively. The lanthanum coordination polyhedron has a bicapped trigonal–prismatic geometry. `Sandwich-like' intra­molecular π–π stacking inter­actions are observed between the 1,10-phenanthroline ligand and two benzene rings of two different L− ligands. The phenyl rings of L− that are not involved in the stacking inter­actions show minor positional disorder. Mol­ecules form layers parallel to the (010) plane due to weak C—H⋯O inter­molecular hydrogen bonds. Unidentified highly disordered solvate mol­ecules that occupy ca 400 Å3 large voids have been omitted from the refinement model.
机译:[La(C20H21N3O3PS)3(C12H8N2)]的不对称单元是由一个LaIII离子,三个去质子化的N- {双[甲基(苯基)氨基]磷酰基}苯磺酰胺盐(L-)配体和一个1,10-菲咯啉(苯)分子。每个LaIII离子由三个磷酰基O原子,三个L-配体的三个磺酰基O原子和螯合的Phen配体的两个N原子进行八配位(6O + 2N),导致形成六元和五元金属环,分别。镧配位多面体具有三角形三角形棱柱几何形状。在1,10-菲咯啉配体和两个不同的L-配体的两个苯环之间观察到“类三明治”分子内π-π堆积相互作用。不参与堆积相互作用的L-苯环显示出较小的位置紊乱。由于弱的CHOH分子间氢键,分子形成平行于(010)平面的层。细化模型中省略了占据约400 3大空隙的高度不确定的无序溶剂化物分子。

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