Crystal structures of three palladium complexes with ortho-phenylenebis(methylphenylarsine) ligands
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 9,p. 1556-1566
- https://doi.org/10.1039/dt9800001556
Abstract
The absolute configuration of (+)589-(RR)-ortho-phenylenebis(methylphenylarsine) has been determined from the crystal and molecular structure of the internal diastereoisomer (+)589-[S-dimethyl(α-methylbenzyl)aminato C2,N][SS-ortho-phenylenebis(methylphenylarsine)]palladium(II) hexafluorophosphate, (1). The absolute configuration of the parent S-dimethyl(α-methylbenzyl)amine previously assigned spectroscopically is incidentally confirmed also. Also reported are the structure determinations of meso-bis[RR,SS-ortho-phenylenebis(methylphenylarsine)]palladium(II)-dichloride and -di-iodide[(2) and (3) respectively], the former as its ethane-1,2-diol solvate. Crystals of (1) are orthorhombic, space group P212121,a= 18.303(7), b= 15.376(6), c= 11.333(4)Å, Z= 4; those of (2) are monoclinic, space group C2/c, a= 27.467(7), b= 9.573(2), c= 21.067(4)Å, β= 125.39(1)°, Z= 4, while those of (3) are monoclinic, space group P21/c, a= 9.689(2), b= 22.006(4), c= 10.007(1)Å, β= 108.23(1)°, and Z= 2.Keywords
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