New class of ruthenium sulfide clusters: Ru4S6(PPh3)4, Ru5S6(PPh3)5, and Ru6S8(PPh3)6

Amanda L. Eckermann; Markus Wunder; Dieter Fenske; Thomas B. Rauchfuss; Scott R. Wilson

doi:10.1021/ic0255104

New class of ruthenium sulfide clusters: Ru₄S₆(PPh₃)₄, Ru₅S₆(PPh₃)₅, and Ru₆S₈(PPh₃)₆

Amanda L. Eckermann, Markus Wunder, Dieter Fenske, Thomas B. Rauchfuss, Scott R. Wilson

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Reaction of RuCl₂(PPh₃)₃ with S^2- sources yields a family of phosphine-containing Ru-S clusters which have been characterized crystallographically and by MALDI-MS. Ru₄S₆(PPh₃)₄ (Ru-Ru_av = 2.94 ̊A) has idealized T_d symmetry whereas Ru₆S₈(PPh₃)₆ (Ru- Ru_av = 2.82 Å) adopts the idealized O_h symmetry characteristic of Chevrel clusters. Ru₅S₆(PPh₃)₅ is formally derived by the addition of Ru(PPh₃) to one face of Ru₄S₆(PPh₃)₄. In terms of its M-S connectivity, the Ru₅S₆ cluster resembles a fragment of the FeMo cluster in nitrogenase.

Original language	English (US)
Pages (from-to)	2004-2006
Number of pages	3
Journal	Inorganic Chemistry
Volume	41
Issue number	8
DOIs	https://doi.org/10.1021/ic0255104
State	Published - Apr 22 2002

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/ic0255104

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@article{3501d072dd58431694dbdbc676f59355,

title = "New class of ruthenium sulfide clusters: Ru4S6(PPh3)4, Ru5S6(PPh3)5, and Ru6S8(PPh3)6",

abstract = "Reaction of RuCl2(PPh3)3 with S2- sources yields a family of phosphine-containing Ru-S clusters which have been characterized crystallographically and by MALDI-MS. Ru4S6(PPh3)4 (Ru-Ruav = 2.94 ̊A) has idealized Td symmetry whereas Ru6S8(PPh3)6 (Ru- Ruav = 2.82 {\AA}) adopts the idealized Oh symmetry characteristic of Chevrel clusters. Ru5S6(PPh3)5 is formally derived by the addition of Ru(PPh3) to one face of Ru4S6(PPh3)4. In terms of its M-S connectivity, the Ru5S6 cluster resembles a fragment of the FeMo cluster in nitrogenase.",

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T1 - New class of ruthenium sulfide clusters

T2 - Ru4S6(PPh3)4, Ru5S6(PPh3)5, and Ru6S8(PPh3)6

AU - Eckermann, Amanda L.

AU - Wunder, Markus

AU - Fenske, Dieter

AU - Rauchfuss, Thomas B.

AU - Wilson, Scott R.

PY - 2002/4/22

Y1 - 2002/4/22

N2 - Reaction of RuCl2(PPh3)3 with S2- sources yields a family of phosphine-containing Ru-S clusters which have been characterized crystallographically and by MALDI-MS. Ru4S6(PPh3)4 (Ru-Ruav = 2.94 ̊A) has idealized Td symmetry whereas Ru6S8(PPh3)6 (Ru- Ruav = 2.82 Å) adopts the idealized Oh symmetry characteristic of Chevrel clusters. Ru5S6(PPh3)5 is formally derived by the addition of Ru(PPh3) to one face of Ru4S6(PPh3)4. In terms of its M-S connectivity, the Ru5S6 cluster resembles a fragment of the FeMo cluster in nitrogenase.

AB - Reaction of RuCl2(PPh3)3 with S2- sources yields a family of phosphine-containing Ru-S clusters which have been characterized crystallographically and by MALDI-MS. Ru4S6(PPh3)4 (Ru-Ruav = 2.94 ̊A) has idealized Td symmetry whereas Ru6S8(PPh3)6 (Ru- Ruav = 2.82 Å) adopts the idealized Oh symmetry characteristic of Chevrel clusters. Ru5S6(PPh3)5 is formally derived by the addition of Ru(PPh3) to one face of Ru4S6(PPh3)4. In terms of its M-S connectivity, the Ru5S6 cluster resembles a fragment of the FeMo cluster in nitrogenase.

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