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Saysell DM, Lamprecht GJ, Darkwa J, et al. Aqueous Solution Chemistry of the Mo(3)PdS(4) Cube: Substitution Reactions and the Double to Single Cube Interconversion Induced by CO, Two Phosphines, Cl(-), Br(-), and NCS(-). Inorg Chem. 1996;35(19):5531-5535doi: 10.1021/ic951595f.
Saysell, D. M., Lamprecht, G. J., Darkwa, J., & Sykes, A. G. (1996). Aqueous Solution Chemistry of the Mo(3)PdS(4) Cube: Substitution Reactions and the Double to Single Cube Interconversion Induced by CO, Two Phosphines, Cl(-), Br(-), and NCS(-). Inorganic chemistry, 35(19), 5531-5535. https://doi.org/10.1021/ic951595f
Saysell, David M., et al. "Aqueous Solution Chemistry of the Mo(3)PdS(4) Cube: Substitution Reactions and the Double to Single Cube Interconversion Induced by CO, Two Phosphines, Cl(-), Br(-), and NCS(-)." Inorganic chemistry vol. 35,19 (1996): 5531-5535. doi: https://doi.org/10.1021/ic951595f
Saysell DM, Lamprecht GJ, Darkwa J, Sykes AG. Aqueous Solution Chemistry of the Mo(3)PdS(4) Cube: Substitution Reactions and the Double to Single Cube Interconversion Induced by CO, Two Phosphines, Cl(-), Br(-), and NCS(-). Inorg Chem. 1996 Sep 11;35(19):5531-5535. doi: 10.1021/ic951595f. PMID: 11666742.
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Inorg Chem. 1996 Sep 11;35(19):5531-5535. doi: 10.1021/ic951595f.

Aqueous Solution Chemistry of the Mo(3)PdS(4) Cube: Substitution Reactions and the Double to Single Cube Interconversion Induced by CO, Two Phosphines, Cl(-), Br(-), and NCS(-).

Inorganic chemistry

David M. Saysell, Gert J. Lamprecht, James Darkwa, A. Geoffrey Sykes

Affiliations

  1. Department of Chemistry, The University, Newcastle upon Type NE1 7RU, England, U.K.

PMID: 11666742 DOI: 10.1021/ic951595f

Abstract

The kinetics of conversion of an edge-linked double cube, in this case [{Mo(3)PdS(4)(H(2)O)(9)}(2)](8+), to the corresponding single cube [Mo(3)(PdX)S(4)(H(2)O)(9)](4+), has been studied for the first time. Reaction is induced by six reagents X = CO, two water-soluble phosphines, Cl(-), Br(-), and NCS(-), which complex at the tetrahedral Pd. The first stage of reaction is fast and is accompanied by color changes, e.g. purple to dark blue in the case of Cl(-), assigned as double to single cube conversion. With X = CO and the two phosphines, when absorbance changes are intense enough for stopped-flow monitoring with reactants at Pd-SCN. On removal of e.g. Cl(-) by chromatography or addition of Ag(+), the double cube re-forms.

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