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Ruthenium(II) carbonyl compounds with the 4'-chloro-2,2':6',2''-terpyridine ligand.


ABSTRACT: Two ruthenium carbonyl complexes with the 4'-chloro-2,2':6',2''-terpyridine ligand (tpy-Cl, C15H10ClN3), i.e. [RuCl(tpy-Cl)(CO)2][RuCl3(CO)3] (I) [systematic name: cis-di-carbonyl-chlorido(4'-chloro-2,2':6',2''-terpyridine-?3N)ruthenium(II) fac-tricarbonyltri-chlorido-ruthenate(II)], and [RuCl2(tpy-Cl)(CO)2] (II) [cis-dicarbonyl-trans-di-chlorido(4'-chloro-2,2':6',2''-terpyridine-?2N1,N1')ruthenium(II)], were synthesized and characterized by single-crystal X-ray diffraction. The RuII atoms in both centrosymmetric structures (I) and (II) display similar, slightly distorted octa-hedral coordination spheres. The coordination sphere in the complex cation in compound (I) is defined by three N atoms of the tridentate tpy-Cl ligand, two carbonyl carbon atoms and one chlorido ligand; the charge is balanced by an octa-hedral [Ru(CO)3Cl3]- counter-anion. In the neutral compound (II), the tpy-Cl ligand coordinates to the metal only through two of its N atoms. The coordination sphere of the RuII atom is completed by two carbonyl and two chlorido ligands. In the crystal structures of both (I) and (II), weak C-H?Cl inter-actions are observed.

SUBMITTER: Tatikonda R 

PROVIDER: S-EPMC5382621 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Ruthenium(II) carbonyl compounds with the 4'-chloro-2,2':6',2''-terpyridine ligand.

Tatikonda Rajendhraprasad R   Haukka Matti M  

Acta crystallographica. Section E, Crystallographic communications 20170321 Pt 4


Two ruthenium carbonyl complexes with the 4'-chloro-2,2':6',2''-terpyridine ligand (tpy-Cl, C<sub>15</sub>H<sub>10</sub>ClN<sub>3</sub>), <i>i.e.</i> [RuCl(tpy-Cl)(CO)<sub>2</sub>][RuCl<sub>3</sub>(CO)<sub>3</sub>] (I) [systematic name: <i>cis</i>-di-carbonyl-chlorido(4'-chloro-2,2':6',2''-terpyridine-κ<sup>3</sup><i>N</i>)ruthenium(II) <i>fac</i>-tricarbonyltri-chlorido-ruthenate(II)], and [RuCl<sub>2</sub>(tpy-Cl)(CO)<sub>2</sub>] (II) [<i>cis</i>-dicarbonyl-<i>trans</i>-di-chlorido(4'-chloro-  ...[more]

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