bin Shawkataly, Omar; Pankhi, Mohd. Aslam A.; Fun, Hoong-Kun; Yeap, Chin Sing published an article about the compound: Tris(3,5-bis(trifluoromethyl)phenyl)phosphine( cas:175136-62-6,SMILESS:FC(C1=CC(C(F)(F)F)=CC(P(C2=CC(C(F)(F)F)=CC(C(F)(F)F)=C2)C3=CC(C(F)(F)F)=CC(C(F)(F)F)=C3)=C1)(F)F ).Safety of Tris(3,5-bis(trifluoromethyl)phenyl)phosphine. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:175136-62-6) through the article.
Six trinuclear monosubstituted complexes of the type Ru3(CO)11L were synthesized by the reaction of Ru3(CO)12 with phosphine ligands [L = Ph2P(C6H4Me-p), Ph2PC6F5, P(3,5-CF3C6H3)3, P(C6H4Cl-p)3, P(C6H4Me-p)3, PhP(C6H4OCH3-p)2] using the radical anion catalyzed method. The structures of the resulting clusters were elucidated by elemental analyses and spectroscopic methods, including IR, 1H NMR, 13C NMR and 31P NMR spectroscopy. 31P NMR spectra of the complexes Ru3(CO)11P(C6H4Me-p)3 and Ru3(CO)11P(C6H4Cl-p)3 showed splitting of the phosphorus signals into triplets. X-ray crystallog. studies of five complexes were carried out. Out of the three unidentate tertiary phosphine complexes, Ru3(CO)11P(C6H4Me-p)3 and Ru3(CO)11P(C6H4Cl-p)3 are ordered while the complex Ru3(CO)11P(3,5-CF3-C6H3)3 exhibits disorder with respect to the trifluoromethyl groups. In all the five monosubstituted complexes, the ligand occupies the equatorial position due to steric reasons and coordination of the ligands are only at the phosphorus atom. The effect of substitution resulted in significant differences in the Ru-Ru distances. Out of the three Ru-Ru bonds, the one which is cis to the ligand is noticeably longer and the mean value for this longest Ru-Ru bond is 2.889 Å, while the mean value for the two shorter Ru-Ru bonds is 2.841 Å. The P-C distances are in the range 2.333(6)-2.354(6) Å. The equatorial Ru-CO moieties are almost linear and the average value for all the five complexes studied range from 176.3 to 177.6°, while the axial CO groups are slightly bent, ranging from 173.8 to 174.1°.
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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem