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Discovery and Supramolecular Interactions of Neutral Palladium‐Oxo Clusters Pd 16 and Pd 24
Author(s) -
Bhattacharya Saurav,
Basu Uttara,
Haouas Mohamed,
Su Pei,
Espenship Michael Forrester,
Wang Fei,
SoléDaura Albert,
Taffa Dereje H.,
Wark Michael,
Poblet Josep M.,
Laskin Julia,
Cadot Emmanuel,
Kortz Ulrich
Publication year - 2021
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.202010690
Subject(s) - palladium , chemistry , electrospray ionization , supramolecular chemistry , crystallography , crystal structure , cluster (spacecraft) , derivative (finance) , mass spectrometry , organic chemistry , catalysis , chromatography , computer science , financial economics , programming language , economics
We report on the synthesis, structure, and physicochemical characterization of the first three examples of neutral palladium‐oxo clusters (POCs). The 16‐palladium(II)‐oxo cluster [Pd 16 O 24 (OH) 8 ((CH 3 ) 2 As) 8 ] ( Pd 16 ) comprises a cyclic palladium‐oxo unit capped by eight dimethylarsinate groups. The chloro‐derivative [Pd 16 Na 2 O 26 (OH) 3 Cl 3 ((CH 3 ) 2 As) 8 ] ( Pd 16 Cl ) was also prepared, which forms a highly stable 3D supramolecular lattice via strong intermolecular interactions. The 24‐palladium(II)‐oxo cluster [Pd 24 O 44 (OH) 8 ((CH 3 ) 2 As) 16 ] ( Pd 24 ) can be considered as a bicapped derivative of Pd 16 with a tetra‐palladium‐oxo unit grafted on either side. The three compounds were fully characterized 1) in the solid state by single‐crystal and powder XRD, IR, TGA, and solid‐state 1 H and 13 C NMR spectroscopy, 2) in solution by 1 H, 13 C NMR and 1 H DOSY spectroscopic methods, and 3) in the gas phase by electrospray ionization mass spectrometry (ESI‐MS).