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Updated: Jun 1, 2026

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)
Published on: November 22, 2016
{Bis[2-(diphenyl-phosphino)eth-yl]phenyl-phosphine-κP,P',P''}chloridoplatinium(II) hexa-fluoridophosphate
Abstract:
In the title compound, [PtCl(C(34)H(33)P(3))]PF(6), the Pt(II) cation adopts a distorted square-planar PtClP(3) geometry, arising from the P,P',P''-tridentate triphos ligand and a chloride ion. Four of the F atoms of the PF(6) (-) anion are disordered over two sets of positions in a 0.614 (17):0.386 (17) ratio.
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Isomers are different chemical species that have the same chemical formula.
Transition metal complexes often exist as geometric isomers, in which the same atoms are connected through the same types of bonds but with differences in their orientation in space. Coordination complexes with two different ligands in the cis and trans positions from a ligand of interest form isomers. For example, the octahedral [Co(NH3)4Cl2]+ ion has two isomers (Figure 1) In the cis...