Polyhedral phenylnickelsodiumsiloxanolate transformation in the presence of aromatic nitrogen-containing ligands

被引：12
作者：
Anisimov, Anton A. [1 ]
Vysochinskaya, Yulia S. [1 ,2 ]
Kononevich, Yuriy N. [1 ]
Dolgushin, Fedor M. [1 ,3 ]
Muzafarov, Aziz M. [1 ,2 ]
Shchegolikhina, Olga, I [1 ]
机构：
[1] Russian Acad Sci INEOS RAS, AN Nesmeyanov Inst Organoelement Cpds, Moscow 119991, Russia
[2] Russian Acad Sci ISPM RAS, NS Enikolopov Inst Synthet Polymer Mat, Moscow 117393, Russia
[3] Plekhanov Russian Univ Econ, 36 Stremyanny Per, Moscow 117997, Russia
来源：
INORGANICA CHIMICA ACTA | 2021年 / 517卷
基金：
俄罗斯科学基金会;
关键词：
DIRECTED HYDROLYTIC CONDENSATION; ALKALI-METAL; MESOPHASE STRUCTURE; MAGNETIC-PROPERTIES; THERMAL-BEHAVIOR; NICKEL; SILOXANE; METALLASILOXANES; METHYLSILOXANE; MOLECULE;
D O I：
10.1016/j.ica.2020.120160
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new polyhedral phenylmetallasiloxane complexes, {[PhSi(O)O](6)(Ni2+)(6)(Na+)(2)(mu(3)-OH)(2)[PhSi(O)O]6}center dot 2(BIPY)center dot 4(DMF) (1) and {[PhSi(O) O](6)(Ni2+)(3)(Na+)(6)(mu(5)-OH)(2)[PhSi(O)O](5)}center dot 7(PY)center dot 2(n-BuOH)center dot 2(H2O) (2) formed in the process of recrystallization of polyhedral phenylnickelsodiumsiloxane (Na+)(2){[PhSi(O)O](6)(Ni2+)(4)(Na+)(4)(mu(3)-OH)(2)[PhSi(O)O](6)}center dot 16(n-BuOH) (A) from DMF in the presence of 2,2-bipyridine (complex 1) or from pyridine (complex 2) are described. It is found that s-donor ligands of the pyridine series (pyridine and 2,2-bipyridine) play a crucial role in the process of dissociation of the initial metallasiloxane framework and its reassembly on a new matrix of metal ions. Not only the metal-containing cationic layer is reconstructed with a change in the number, ratio, and spatial arrangement of nickel and sodium cations, but also changes the size of cyclic siloxane ligands.
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页数：7
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