Periodate and tellurate complexes of palladium. Crystal structures of K4Na2 Pd{IO5(OH)}(2) center dot 8H(2)O and Na-10 Pd-2(IO6)(2){IO5(OH)}(2) center dot 20H(2)O
Periodate and tellurate complexes of palladium. Crystal structures of K4Na2 Pd{IO5(OH)}(2) center dot 8H(2)O and Na-10 Pd-2(IO6)(2){IO5(OH)}(2) center dot 20H(2)O
The syntheses of the palladium(II) complex anions K4Na2[Pd{IO5(OH)}(2)] (.) 8H(2)O and Na-2[Pd{TeO2(OH)(4)}(2)] (.) 5H(2)O are reported. The complexes have been characterised by IR, UV-Vis and NMR spectroscopy. The crystal structure of K4Na2[Pd(IO5(OH)}(2)] (.) 8H(2)O reveals a square planar palladium centre coordinated to two bidentate IO5(OH) groups. The structure of the Pd(IV) complex anion Na-10[Pd-2(IO6)(2){IO5(OH)}(2)] (.) 20H(2)O reveals a new structure type for heteropolyperiodates consisting of six edge-linked octahedra composed of two central IO6 groups coordinated to six-coordinate Pd(IV) with two terminal bidentate IO5(OH) units. Attempts to prepare platinum(II) tellurates or periodates have been unsuccessful, the analogous reactions to those used to prepare Pd(II) complexes leading to the known Pt(IV) complexes.
crystal structures, palladium, periodate, tellurate
higher oxidation-states, transition-metal periodate, coordinationchemistry, platinum(iv), oxidants
90-94
Hector, A. L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Levason, W.
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Webster, M.
d49b7fa6-3539-4209-b349-d66c61fb34e2
30 January 2003
Hector, A. L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Levason, W.
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Webster, M.
d49b7fa6-3539-4209-b349-d66c61fb34e2
Hector, A. L., Levason, W. and Webster, M.
(2003)
Periodate and tellurate complexes of palladium. Crystal structures of K4Na2 Pd{IO5(OH)}(2) center dot 8H(2)O and Na-10 Pd-2(IO6)(2){IO5(OH)}(2) center dot 20H(2)O.
Inorganica Chimica Acta, 343, .
(doi:10.1016/S0020-1693(02)01230-6).
Abstract
The syntheses of the palladium(II) complex anions K4Na2[Pd{IO5(OH)}(2)] (.) 8H(2)O and Na-2[Pd{TeO2(OH)(4)}(2)] (.) 5H(2)O are reported. The complexes have been characterised by IR, UV-Vis and NMR spectroscopy. The crystal structure of K4Na2[Pd(IO5(OH)}(2)] (.) 8H(2)O reveals a square planar palladium centre coordinated to two bidentate IO5(OH) groups. The structure of the Pd(IV) complex anion Na-10[Pd-2(IO6)(2){IO5(OH)}(2)] (.) 20H(2)O reveals a new structure type for heteropolyperiodates consisting of six edge-linked octahedra composed of two central IO6 groups coordinated to six-coordinate Pd(IV) with two terminal bidentate IO5(OH) units. Attempts to prepare platinum(II) tellurates or periodates have been unsuccessful, the analogous reactions to those used to prepare Pd(II) complexes leading to the known Pt(IV) complexes.
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Published date: 30 January 2003
Keywords:
crystal structures, palladium, periodate, tellurate
higher oxidation-states, transition-metal periodate, coordinationchemistry, platinum(iv), oxidants
Identifiers
Local EPrints ID: 19974
URI: http://eprints.soton.ac.uk/id/eprint/19974
ISSN: 0020-1693
PURE UUID: 33b341a4-2ac3-4867-a9ff-c850d3dfe801
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Date deposited: 23 Feb 2006
Last modified: 16 Mar 2024 02:53
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Author:
M. Webster
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