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Crystal structure of poly[[?₃-(S)-2-amino-3-hydroxy-propano-ato]-cis-di-?-chlorido-caesium-palladium(II)].

ABSTRACT: The structure of the title compound, [CsPd(C₃H₆NO₃)Cl₂] _n , previously shown to have anti-cancer activity in rodent test systems and recently found to have anti-fungal activity, has been determined. The Pd centre is in a square-planar coordination environment with two chlorine atoms in cis positions and the remaining two coordination sites being coordinated by N and O atoms from deprotonated l-serine. Each of the Cs cations shows ninefold coordination with six chlorine and three O atoms resulting in a coordination environment that is similar to the well known Cs₂SO₄ structure. X-ray crystal structures of only three di-chlorido-palladium(II)-amino acid complexes have been determined so far and the present paper describes one of those.

SUBMITTER: Bhadbhade MM

PROVIDER: S-EPMC5730248 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Crystal structure of poly[[μ3-(S)-2-amino-3-hydroxy-propano-ato]-cis-di-μ-chlorido-caesium-palladium(II)].

Bhadbhade Mohan Madhav MM Charlson Alexander J AJ

Acta crystallographica. Section E, Crystallographic communications 20171121 Pt 12

The structure of the title compound, [CsPd(C3H6NO3)Cl2] n , previously shown to have anti-cancer activity in rodent test systems and recently found to have anti-fungal activity, has been determined. The Pd centre is in a square-planar coordination environment with two chlorine atoms in cis positions and the remaining two coordination sites being coordinated by N and O atoms from deprotonated l-serine. Each of the Cs cations sho ...[more]

PMID: 29250411

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Project description:The crystal structures of catena-poly[[μ-aqua-di-aqua-(μ3-2-methyl-propano-ato-κ4 O:O,O':O')calcium] 2-methyl-propano-ate dihydrate], {[Ca(C4H7O2)(H2O)3](C4H7O2)·2H2O} n , (I), catena-poly[[μ-aqua-di-aqua-(μ3-2-methyl-propano-ato-κ4 O:O,O':O')strontium] 2-methyl-propano-ate dihydrate], {[Sr(C4H7O2)(H2O)3](C4H7O2)·2H2O} n , (II), and catena-poly[[μ-aqua-di-aqua-(μ3-2-methyl-propano-ato-κ4 O:O,O':O')(calcium/strontium)] 2-methyl-propano-ate dihydrate], {[(Ca,Sr)(C4H7O2)(H2O)3](C4H7O2)·2H2O} n , (III), are related. (III) can be considered as an Sr-containing solid solution of (I), with Ca2+ and Sr2+ occupationally disordered in the ratio 0.7936 (16):0.2064 (16). (I)/(III) and (II) are homeotypic with different space groups of Pbca and Cmce, respectively. All the title crystal structures are composed of hydro-philic sheets containing the cations, carboxyl-ate groups as well as water mol-ecules. The hydro-phobic layers, which consist of 2-methyl-propano-ate chains, surround the hydro-philic sheets from both sides, thus forming a sandwich-like structure extending parallel to (001). The cohesion forces within these sheets are the cation-oxygen bonds and O-H⋯O hydrogen bonds of moderate strength. Stacking of these sandwiches along [001] is consolidated by van der Waals forces. The structures contain columns defined by the cation-oxygen inter-actions in which just one symmetry-independent 2-methyl-propano-ate anion is included, together with three water mol-ecules. These mol-ecules participate in an irregular coordination polyhedron composed of eight O atoms around the cation. Additional water mol-ecules as well as the second 2-methyl-propano-ate anion are not part of the coordination sphere. These mol-ecules are connected to the above-mentioned columns by O-H⋯O hydrogen bonds of moderate strength. In (II), the Sr2+ cation, two of the coordinating water mol-ecules and both anions are situated on a mirror plane with a concomitant positional disorder of the 2-methyl-propyl groups; the non-coordinating water mol-ecule also shows positional disorder of its hydrogen atom.

Dataset Information

Crystal structure of poly[[?₃-(S)-2-amino-3-hydroxy-propano-ato]-cis-di-?-chlorido-caesium-palladium(II)].

Publications

Crystal structure of poly[[μ<sub>3</sub>-(<i>S</i>)-2-amino-3-hydroxy-propano-ato]-<i>cis</i>-di-μ-chlorido-caesium-palladium(II)].

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Dataset Information

Crystal structure of poly[[?3-(S)-2-amino-3-hydroxy-propano-ato]-cis-di-?-chlorido-caesium-palladium(II)].

Publications

Crystal structure of poly[[μ<sub>3</sub>-(<i>S</i>)-2-amino-3-hydroxy-propano-ato]-<i>cis</i>-di-μ-chlorido-caesium-palladium(II)].

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Crystal structure of poly[[?₃-(S)-2-amino-3-hydroxy-propano-ato]-cis-di-?-chlorido-caesium-palladium(II)].