Crystal structures of the Lewis acid-base adducts {[(C6H11)2N]3Ti-LB}+[MeB(C6F5)3]-•1.5C7H8; LB = (C6H5)3PO (1), p-F-C6H4CN (2)

被引：0
|
作者：
Fitschen, Kerstin [1 ]
Frerichs, Nils [1 ]
Yusufzadeh, Zainah [1 ]
Schmidtmann, Marc [1 ]
Beckhaus, Rudiger [1 ]
机构：
[1] Carl von Ossietzky Univ Oldenburg, Inst Chem, Fak 5, Carl von Ossietzky Str 9-11, D-26129 Oldenburg, Germany
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2022年 / 78卷
关键词：
crystal structure; titanium; lewis acidity; disorder; C-H center dot center dot center dot F hydrogen-bonding;
D O I：
10.1107/S2056989022007952
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The reaction of [(C6H11)(2)N](3)Ti-CH3 with the Lewis acid B(C6F5)(3), followed by addition of the Lewis bases (C6H5)(3)PO and p-F-C6H4CN led to the complex salts tris(dicyclohexylamido)(triphenylphosphine oxide)titanium methyltris(pentafluorophenyl)borate toluene sesquisolvate, [Ti(C12H22N)(3)(C18H15OP)](C19H3F15B)center dot 1.5C(7)H(8), (1), and tris(dicyclohexylamido)(4-fluorobenzonitrile)titanium methyltris(pentafluorophenyl) borate toluene sesquisolvate, [Ti(C12H22N)(3)(C7H4FN)](C19H3F15B)center dot 1.5C(7)H(8), (2), both crystallizing with 1.5 equivalents of toluene solvent molecules. The Lewis acid-base adducts (1) and (2) can be described by dative donor bonds. The packing of the complex cations, anions and solvent molecules in the crystal structure is consolidated by an intricate three-dimensional network of non-classical C-H center dot center dot center dot F interactions. Disorder of some of the cyclohexyl groups and the toluene solvent molecules is observed.
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页码：912 / +
页数：43
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