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Synthesis, Characterization and Crystal Structure of trans-2)pyridine-κN>chlorobis(trimethylphosphine)ruthenium(II) Perchlorate: Evidence for Meridional Steric Crowding

DOI: 10.1039/DT9910002801

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2801 - 2806 (1991)

Update date:2022-08-05

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Authors:

Bessel, Carol A.Bessel, Carol A.

See, Ronald F.See, Ronald F.

Jameson, Donald L.Jameson, Donald L.

Churchill, Melvyn RowenChurchill, Melvyn Rowen

Takeuchi, Kenneth J.Takeuchi, Kenneth J.

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Article abstract of DOI:10.1039/DT9910002801

The synthesis, characterization, and crystal structure of trans-ClO4 are reported.The complex crystallizes in the non-centrosymmetric trigonal space group P3,21 (no. 152) with a = 14.158(2), c = 14.493(3) Angstroem, and Z = 3.Both the RuII-containing cation and the perchlorate anion (which is disordered) lie on a crystallographic two-fold axis.This represents the first structural characterization of a transition-metal complex which utilizes a member of the family of bis(pyrazolyl)pyridine ligands.In addition, the crystal structure yields evidence that the ligand L may be sterically more suitable for co-ordination to a ruthenium(II) centre than the analogous diphenyl-substituted terpyridine ligand, dpt (6,6''-diphenyl-2,2':6'2''-terpyridine).For both tridentate ligands, the donor nitrogen atoms take up three meridional sites and the phenyl substitutents are directed toward the fourth equatorial co-ordination site; however, due to the large distance between the two phenyl arms of L (relative to the dpt), the former ligand can be utilized in synthesizing the present ruthenium(II) complex whereas the analogous dpt complex cannot readily be prepared.

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Product name:trans-{2,6-bis(3-phenylpyrazol-1-yl-κN(2))pyridine-κN}chlorobis(trimethylphosphine)ruthenium(II) perchlorate

Cas No:138980-92-4

138980-92-4

R&D Labs maybe for 138980-92-4

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