Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+
Reaction of the platinum(II) sulfide metalloligand [Pt2(µ-S)2(PPh3)4] with the tellurium(II) source TeCl2(tu)2 (tu = thiourea) is dependent on reaction conditions employed. In the presence of added acid, the dominant species observed in the electrospray ionization (ESI) mass spectrum is the tetrapla...
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Taylor & Francis
2018
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| Online Access: | http://eprints.sunway.edu.my/1006/ http://eprints.sunway.edu.my/1006/1/Tiekink%20Reactivity%20of%20the%20metalloligand%20J%20Coord%20Chem%202018%2071%203807_acc.pdf |
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| author | Fortney-Zirker, Ryland G. Henderson, William Lane, Joseph R. Tiekink, Edward R. T. * |
| author_facet | Fortney-Zirker, Ryland G. Henderson, William Lane, Joseph R. Tiekink, Edward R. T. * |
| author_sort | Fortney-Zirker, Ryland G. |
| building | SU Institutional Repository |
| collection | Online Access |
| description | Reaction of the platinum(II) sulfide metalloligand [Pt2(µ-S)2(PPh3)4] with the tellurium(II) source TeCl2(tu)2 (tu = thiourea) is dependent on reaction conditions employed. In the presence of added acid, the dominant species observed in the electrospray ionization (ESI) mass spectrum is the tetraplatinum species [{Pt2(µ-S)2(PPh3)4}2Te2]2+. This contains the Te22+ moiety and is related to the previously reported tellurium(I) dithiophosphinate analog [(Ph2PS2)2Te2]. However, in the absence of acid, considerable degradation of the {Pt2S2} metalloligand occurs as evidenced by the formation of the mononuclear complex [Pt{SC(NH2)NH}(PPh3)2]+ containing a deprotonated thiourea ligand, together with other thiourea-containing ions, identified by ESI MS. Likewise, attempted use of a fully substituted thiourea, viz. Me2NC(S)NMe2 (tmtu) in TeCl2(tmtu)2, also resulted in degradation of the {Pt2S2} core and detection of the known complex [(Ph3P)2PtCl{SC(NMe2)2}]+. The [{Pt2(µ-S)2(PPh3)4}2Te2]2+ cation was isolated with several anions, and unequivocal confirmation of the structure of the complex was obtained by an X-ray structure determination on the BF4- salt, which shows the presence of the Te22+ unit, with the Te–Te bond bridged by two {Pt2S2} metalloligands. Density functional theory was used to further probe the Te22+ bonding interactions in [{Pt2(μ-S)2(PPh3)4}2Te2]2+ and the previously reported [(Ph2PS2)2Te2] |
| first_indexed | 2025-11-14T21:15:25Z |
| format | Article |
| id | sunway-1006 |
| institution | Sunway University |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T21:15:25Z |
| publishDate | 2018 |
| publisher | Taylor & Francis |
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| spelling | sunway-10062020-10-07T08:56:13Z http://eprints.sunway.edu.my/1006/ Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ Fortney-Zirker, Ryland G. Henderson, William Lane, Joseph R. Tiekink, Edward R. T. * QD Chemistry Reaction of the platinum(II) sulfide metalloligand [Pt2(µ-S)2(PPh3)4] with the tellurium(II) source TeCl2(tu)2 (tu = thiourea) is dependent on reaction conditions employed. In the presence of added acid, the dominant species observed in the electrospray ionization (ESI) mass spectrum is the tetraplatinum species [{Pt2(µ-S)2(PPh3)4}2Te2]2+. This contains the Te22+ moiety and is related to the previously reported tellurium(I) dithiophosphinate analog [(Ph2PS2)2Te2]. However, in the absence of acid, considerable degradation of the {Pt2S2} metalloligand occurs as evidenced by the formation of the mononuclear complex [Pt{SC(NH2)NH}(PPh3)2]+ containing a deprotonated thiourea ligand, together with other thiourea-containing ions, identified by ESI MS. Likewise, attempted use of a fully substituted thiourea, viz. Me2NC(S)NMe2 (tmtu) in TeCl2(tmtu)2, also resulted in degradation of the {Pt2S2} core and detection of the known complex [(Ph3P)2PtCl{SC(NMe2)2}]+. The [{Pt2(µ-S)2(PPh3)4}2Te2]2+ cation was isolated with several anions, and unequivocal confirmation of the structure of the complex was obtained by an X-ray structure determination on the BF4- salt, which shows the presence of the Te22+ unit, with the Te–Te bond bridged by two {Pt2S2} metalloligands. Density functional theory was used to further probe the Te22+ bonding interactions in [{Pt2(μ-S)2(PPh3)4}2Te2]2+ and the previously reported [(Ph2PS2)2Te2] Taylor & Francis 2018-12-22 Article PeerReviewed text en cc_by_4 http://eprints.sunway.edu.my/1006/1/Tiekink%20Reactivity%20of%20the%20metalloligand%20J%20Coord%20Chem%202018%2071%203807_acc.pdf Fortney-Zirker, Ryland G. and Henderson, William and Lane, Joseph R. and Tiekink, Edward R. T. * (2018) Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+. Journal of Coordination Chemistry, 71 (23). pp. 3807-3823. ISSN 0095-8972 http://doi.org/10.1080/00958972.2018.1531285 doi:10.1080/00958972.2018.1531285 |
| spellingShingle | QD Chemistry Fortney-Zirker, Ryland G. Henderson, William Lane, Joseph R. Tiekink, Edward R. T. * Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ |
| title | Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ |
| title_full | Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ |
| title_fullStr | Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ |
| title_full_unstemmed | Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ |
| title_short | Reactivity of the metalloligand [Pt2(µ-S)2(PPh3)4] toward tellurium(II) thiourea complexes: synthesis and structural characterization of the ditellurium(I) derivative [{Pt2(µ-S)2(PPh3)4}2Te2]2+ |
| title_sort | reactivity of the metalloligand [pt2(µ-s)2(pph3)4] toward tellurium(ii) thiourea complexes: synthesis and structural characterization of the ditellurium(i) derivative [{pt2(µ-s)2(pph3)4}2te2]2+ |
| topic | QD Chemistry |
| url | http://eprints.sunway.edu.my/1006/ http://eprints.sunway.edu.my/1006/ http://eprints.sunway.edu.my/1006/ http://eprints.sunway.edu.my/1006/1/Tiekink%20Reactivity%20of%20the%20metalloligand%20J%20Coord%20Chem%202018%2071%203807_acc.pdf |