Author:
Chandler CJ,Gable RW,Gulbis JM,Mackay MF
Abstract
The synthesis,
characterization and crystal stucture of the title
complex is reported. The triclinic crystals belong to the space group Pī with a 12.726(5), b 14.284(5), c 11.094(5)Ǻ,
α 95.76(5),β 93.42(4), γ 88.66(5)� and Z 2. Refinement with 5365
diffractometer data measured with Cu Kα radiation converged at R 0.096. The barium ion is
coordinated by a diaza 21-crown-7 ether ligand , which incorporates a phenanthroline
moiety, and by two bidentate picrate
anions, and thus has 11-coordination. The Ba -O bonds
range from 2.62(1) to 3.02(1)Ǻ and the Ba -N
bonds have lengths of 3.00(1) and 3.05(1)Ǻ. Disorder is evident in the
aliphatic chain of the polyether and, apart from the orientation about a C-O
bond in the disordered segment of the chain, the angles about the C-O and C-C
bonds define gauche and anti conformations respectively.
Cited by
7 articles.
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