CRYSTAL STRUCTURE OF CARBONYL TRICHLORO BIS(TRIPHENYL PHOSPHINE) RUTHENIUM(III) COMPLEX
The title complex is synthesized and analyzed using single crystal X-ray diffraction studies. The asymmetric unit [RuCl3(CO)(PPh3)2] of the title complex contains one half of the molecule. The molecular structure is stabilized by C3—H3…Cl1 and C9—H9…Cl2 intramolecular halogen interactions which result in two S(6) ring motifs. The crystal packing features are the C—H…Cg1 interactions, where Cg1 is the center of gravity of the phenyl ring (C14—C19). No classical hydrogen bond is found in the complex.
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2015. 56, 6
UDC 548.73:541.49
CRYSTAL STRUCTURE OF CARBONYL TRICHLORO BIS(TRIPHENYL PHOSPHINE)
RUTHENIUM(III) COMPLEX
M. Gowri 1, T. Srinivasan2, D. Velmurugan2
2CAS in Crystallography and Biophysics, University of Madras, Tamilnadu, India
E-mail: srini771@gmail.com, shirai2011@gmail.com
Received April, 18, 2014
1Department of Chemistry, Avinashilingam University for Women, Tamilnadu, India
E-mail: sriadit.gowrisuresh@gmail.com
Revised — May, 23, 2014
The title complex is synthesized and analyzed using single crystal X-ray diffraction studies. <...> The asymmetric unit [RuCl3(CO)(PPh3)2] of the title complex contains one half of the molecule. <...> The molecular structure is stabilized by C3—H3…Cl1 and C9—H9…Cl2 intramolecular
halogen interactions which result in two S(6) ring motifs. <...> The crystal packing features are the
C—H…Cg1 interactions, where Cg1 is the center of gravity of the phenyl ring (C14—C19). <...> No classical hydrogen bond is found in the complex. <...> Organometallic complexes with bonds that have characters in-between ionic and covalent are
very important in industry since they are relatively stable in solutions and relatively ionic to undergo
reactions. <...> This is the case of complexes having CO as one of their ligands [M=C=O M+C—O–]. <...> Phosphines are used as ligands for many metal complexes. <...> The most popular phosphine ligand used is
triphenyl phosphine: a shelf-stable solid that relatively slowly undergoes oxidation in air. <...> Unlike most
metal ammine complexes, metal phosphine complexes tend to be lipophilic, displaying good solubility
in organic solvents. <...> Because
of these two features, metal phosphine complexes are important in homogeneous catalysis [ 1 ]. <...> Being
bonded to the Ru(III) metal atom in the complexes, the ligands such as triphenyl phosphine, carbonyl,
and chloride have characteristic biological activities and they have extensively been studied. <...> Phosphine with the strongest acidity is trifluorophosphine (PF3); its acidity approaches
that of the carbonyl ligand [ 2 ]. <...> Based on the views and approaches to the complexes with triphenyl phosphine, carbonyl, and
chloride as ligands, we herein investigate the crystal structure of a novel Ru(III) complex <...>
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