Journal Article

PUBDB-2022-08084

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Bimetallic Organoplatinum(II)‐Ag(I) Cluster Cations with Ag−Pt Interactions Unsupported by Conventional Bridging Ligands

Raven, W. ; Kalf, I. ; Paulmann, C.Extern* ; Englert, U. (Corresponding author)Extern*

2022
Wiley-VCH Weinheim

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Please use a persistent id in citations: doi:10.1002/zaac.202200019  doi:10.3204/PUBDB-2022-08084

Abstract: The organoplatinum complex of a primary amine and AgClO$_4$ aggregate in methanol to oligonuclear mixed-metal species. A perchlorate salt 3 with the empirical formula C$_{96}$H$_{146}$Ag$_7$Cl$_{13}$N$_{12}$O$_{62}$Pt$_6$ could be isolated and structurally characterized with the help of X-ray diffraction at the DESY synchrotron. The product contains both a penta- and a tetra-nuclear complex cation in which Ag(I) and Pt(II) alternate, held together without any conventional bridge. The cationic species feature short Ag⋅⋅⋅Pt distances between 2.7 and 2.9 Å and contacts longer than 2.4 Å between Ag and C atoms in aromatic rings. In addition to the interactions with Ag(I) cations, Pt(II) is in a square-planar arrangement, coordinated by a chelating and a terminal amine and an aqua ligand. The central Ag(I) in the pentanuclear cation is located on a twofold crystallographic axis and not involved in any obvious coordinative bond; it exclusively shows short contacts to the neighboring Pt(II) ions and the Pt-bonded, formally anionic carbon atoms of the cyclometallated organic ligand. Powder diffraction shows that 3 melts and re-solidifies without decomposition.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)
2. Uni Hamburg (U HH)

Research Program(s):

1. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)

Experiment(s):

1. PETRA Beamline P24 (PETRA III)

Appears in the scientific report 2022

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Wiley ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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