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Isolation and Structural Characterization of New Indium(III) Aqua Complexes: trans ‐[InCl 2 (H 2 O) 4 ] + and trans ‐[InCl 4 (H 2 O) 2 ] − as Supramolecular Adducts with Cucurbituril and Related Studies
Author(s) -
Samsonenko Denis G.,
Sokolov Maxim N.,
Virovets Alexander V.,
Pervukhitalya V.,
Fedin Vladimir P.
Publication year - 2001
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/1099-0682(20011)2001:1<167::aid-ejic167>3.0.co;2-2
Subject(s) - cucurbituril , chemistry , supramolecular chemistry , adduct , crystallography , aqueous solution , indium , crystal structure , stereochemistry , organic chemistry
Aqua and aqua‐chloride complexes of Al III and In III have been isolated from aqueous solutions and structurally characterized by X‐ray analysis as supramolecular adducts with cucurbituril. Using this approach, trans ‐[InCl 2 (H 2 O) 4 ] + and trans ‐[InCl 4 (H 2 O) 2 ] − species were detected and isolated for the first time as parts of supramolecular assemblies of [InCl 2 (H 2 O) 4 ] 3 Cl 3 ·(C 36 H 36 N 24 O 12 )·4H 2 O ( 1 ) and (H 3 O) 3 [InCl 4 (H 2 O) 2 ] 3 ·2(C 36 H 36 N 24 O 12 )·17H 2 O ( 2 ). The hexaaqua indium(III) cation is present in [In(H 2 O) 6 ](NO 3 ) 3 ·(C 36 H 36 N 24 O 12 )·9H 2 O ( 3 ), and its geometry has been established by X‐ray crystallography for the first time. The preparation and crystal structure of an Al III hexaaqua ion − cucurbituril adduct [Al(H 2 O) 6 ]Cl 3 ·(C 36 H 36 N 24 O 12 )·18H 2 O ( 4 ) is also reported. A comparison of In III with its analogs in Group 13 shows closer similarity between In III and Tl III in the chloroaqua complexes than between In and its lighter congeners.