Crystallographic and structural characterization of heterometallic platinum clusters. Part IX. Heterooligonuclear Pt clusters

• Autorzy: Milan Melník , Peter Mikuš , Clive E. Holloway
• Języki publikacji: EN

Abstrakty

EN

This review classifies and analyzes over thirty heterooligonuclear platinum clusters with a wide variety of metal frameworks, from twelve to forty-four. There are thirteen heterometals (Ge, Sn, Hg, W, Mo, Ru, Rh, Pd, Os, Ni, Cu, Ag, Au) which are the partners of platinum. The clusters mostly crystallize in monoclinic (36,4%) and triclinic (30,3%) crystal classes. Their structures are complex, with platinum most commonly preferring interstitial sites, such as the centroids of icosahedrons. There are examples of distortion isomerism. The most common ligands are CO and PPh3, and it is interesting that the mean Pt-CO and M-CO bond distances are identical at 1.84 Å. In contrast, the mean Pt-μCO and M-μCO are of values of 2.02 and 1.97 Å, respectively, while the Pt-PPh3 and M-PPh3 bond distances are 2.30 and 2.28 Å, respectively. The shortest Pt-Pt, Pt-M (non-transition) and Pt-M (transition) bond distances are 2.559(2) Å, 2.412(2) Å (M = Ge) and 2.510(2) Å (M = Ni).

EN

Słowa kluczowe

EN

structure; heterooligonuclear; platinum; distortion; isomerism

• Czasopismo: Open Chemistry
• Rocznik: 2015
• Tom: 13
• Numer: 1

Daty

otrzymano

2014-05-15

zaakceptowano

2014-08-11

online

2015-01-20

Twórcy

autor

Milan Melník

• Department of Pharmaceutical Analysis and Nuclear
  Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava,
  Odbojárov 10, SK-832 32 Bratislava, Slovak Republic

autor

Peter Mikuš

• Department of Pharmaceutical Analysis and Nuclear
  Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava,
  Odbojárov 10, SK-832 32 Bratislava, Slovak Republic

autor

Clive E. Holloway

• Department of Chemistry, York University,
  4700 Keele St., North York, M3J 1P3. Ontario, Canada

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Identyfikatory

DOI

10.1515/chem-2015-0094