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. 2008 Apr 1;361(5):1261-1266.
doi: 10.1016/j.ica.2007.08.019.

Palladium(II) complexes of 1,10-phenanthroline: Synthesis and X-ray crystal structure determination

Rafael A Adrian  1 , Grant A Broker, Edward R T Tiekink, Judith A Walmsley
Affiliations

Palladium(II) complexes of 1,10-phenanthroline: Synthesis and X-ray crystal structure determination

Rafael A Adrian et al. Inorganica Chim Acta. .

Abstract

Two palladium(II) complexes, [Pd(phen)(N identical withCCH(3))(2)][O(3)SCF(3)](2) (1) and [Pd(phen)(mu-OH)](2)[O(3)SCF(3)](2).2H(2)O (2) (where phen= 1,10-phenanthroline), have been crystallized following the reaction of Pd(phen)Cl(2) with silver triflate, Ag(O(3)SCF(3)), in acetonitrile and water, respectively. The structures of both complexes are based on a Pd(phen)(2+) metal core, with two acetonitrile molecules binding in a monodentate fashion in complex 1 and two hydroxo bridges holding together two cores to form a dimer in complex 2. Additionally, both complexes present a hydrogen bonded 3-D network involving the triflate anions in 1, and water and triflate anions in 2. Both complexes have been characterized by infrared and (1)H NMR spectroscopy and their crystal structures determined by X-ray crystallography.

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Figures

Figure 1
Figure 1
Molecular structure of the dication in [Pd(phen)(N≡CCH3)2][O3SCF3]2 (1) showing atomic labeling scheme. The molecule has crystallographically imposed mirror symmetry (symmetry operation i: x, 1½−y, z) and the triflate anions are omitted.
Figure 2
Figure 2
View of the crystal packing in [Pd(phen)(N≡CCH3)2][O3SCF3]2 (1) viewed down the a-axis showing C-H…O contacts as orange-dashed lines. Color code: Pd (orange), O (red), N (blue), C (grey), S (yellow), F(light blue) and H (green).
Figure 3
Figure 3
Molecular structures of the components of [Pd(phen)(μ-OH)]2[O3SCF3]2·2H2O (2) showing atomic labeling scheme and hydrogen-bonding interactions (dashed lines) between them. Symmetry operation i: −1−x, 1−y, −z.
Figure 4
Figure 4
View of the crystal packing in [Pd(phen)(μ-OH)]2[O3SCF3]2·2H2O (2) viewed down the a-axis showing O-H…O hydrogen-bonds as orange-dashed lines. Color code: Pd (orange), O (red), N (blue), C (grey), S (yellow), F(light blue) and H (green).
See this image and copyright information in PMC

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