Repozytorium
Wyszukaj
Kolekcje
Inne
Synthesis, properties and crystal structures of ionic [Al2(μ,η2-thffo)2(EtOH)4Cl2]Cl2, [Al3(μ,η2-thffo)4Cl4][AlEtCl3] and tetranuclear [Al4(μ,η2-thffo)4(μ-OEt)2Cl6] (thffo = OCH2CH(CH2)3O) compounds.
Autorzy
Rok wydania
1998
Czasopismo
Journal of Organometallic Chemistry
Numer woluminu
553
Strony
379-385
DOI
10.1016/S0022-328X(97)00634-7
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The bis-μ-(2-tetrahydrofuryloxo-O,O')tetraethanoldichlorodialuminium(III) dichlorate [Al2(μ,η2-thffo)2(EtOH)4Cl2]Cl2 (1), tetra-μ-(2-tetrahydrofuryloxo-O,O')tetrachlorotrialuminium(III) trichloroethylo aluminate(III) dichloromethane(1/1), [Al3(μ,η2thffo)4Cl4][AlEtCl3]·CH2Cl2 (2) salts are synthesized in direct reaction of AlCl3(THF)2 with Nathffo and AlEtCl2 with thffo in THF or benzene, respectively. The addition of AlCl3(THF)2 to the Mg(thffo)2 results in the formation of tetrakis-μ-(2-tetrahydrofuryloxo-O,O′)di-μ-ethoxo-hexachlorotetraaluminium(III) tetrahydrofuran (1/1) [Al4(μ,η2-thffo)4(μ-OEt)2Cl6]·THF (3) species. Compound 1 crystallized in the space group P21/n, with a=8.615(2), b=16.445(3), c=10.052(2) Å and β=90.53(3)°. Compound 2 belongs to the C2/c space group with a=32.046(5), b=14.255(3), c=15.443(3) Å and β=123.85(3)°. Crystals of 3 are triclinic, space group P, a=10.365(2), b=10.854(2), c=11.880(3) Å and α=70.40(2), β=65.19(2), γ=80.18(2)°. The centrosymmetric cation of the salt 1, in the crystalline state is a dimer composed of two octahedra related by a crystallographic inversion centre and sharing an edge. The [Al3(μ,η2-thffo)4Cl4]+ cation of the species 2 is a centrosymmetrical with an aluminium–oxygen framework, which consists of the central octahedral atom linked to two five-coordinate aluminium sites by μ-alkoxo bridges. The structure of 3 includes two five-coordinate and two six-coordinate Al atoms linked by μ-alkoxo bridges to form tetranuclear chains with a symmetry center.
Słowa kluczowe
Aluminium(III), Alumoxanes, Alkoxides, Crystal structure, Chelate
Adres publiczny
https://doi.org/10.1016/S0022-328X(97)00634-7
Strona internetowa wydawcy
Podobne publikacje
Reactions of methyl- and ethylaluminium compounds with alkoxyalcohols. The influence of alkoxyalcohol substituents on the structure of the complexes formed.
Pietrzykowski Antoni, Skrok T., Pasynkiewicz Stanisław, Brzoska-Mizgalski M., Zachara Janusz, Anulewicz-Ostrowska R., Suwińska K., Jerzykiewicz Lucjan B.
The crystal structure and properties of TiCl4{CH(CO2Et)3}] and [Al2Cl6{μ-C2H4(CO2Et)2}].
Sobota Piotr, Szafert Sławomir, Głowiak Tadeusz
Excited state energetics and spectroscopic characterization of a chiral mixed chelate complex containing Eu(III).
Gawryszewska Paula, Oczko Grażyna, Riehl James P., Tsaryuk Vera I., Legendziewicz Janina