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  4. EXAFS structural determination of the Pt2(P2O5H2)44- anion in solution
 
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research article

EXAFS structural determination of the Pt2(P2O5H2)44- anion in solution

van der Veen, Renske M.  
•
Milne, Christopher J.  
•
Pham, Van-Thai  
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2008
Chimia

We present the first structural detn. of the Pt2(P2O5H2)44- anion in soln. by analyzing the extended X-ray absorption fine structure (EXAFS) spectrum of the Pt LIII edge. The data could be fit with a simple model involving single and multiple scattering paths to near and far P-atoms, bridging O-atoms, and the other Pt-atom in the binuclear complex. A Pt-Pt distance of 2.876(28) .ANG. and a Pt-P bond length of 2.32(4) .ANG. are obtained. These values are in line with distances found in previous X-ray diffraction studies. The assignment of the EXAFS spectrum of the Pt2(P2O5H2)44- anion in its ground state is required for future time-resolved X-ray absorption measurements with the goal of detg. the structure and dynamics of the complex in the 1,3A2u excited states.

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Type
research article
DOI
10.2533/chimia.2008.287
Web of Science ID

WOS:000255973000024

Author(s)
van der Veen, Renske M.  
•
Milne, Christopher J.  
•
Pham, Van-Thai  
•
El Nahhas, Amal  
•
Weinstein, Julia A.
•
Best, Jonathan
•
Borca, Camelia N.
•
Bressler, Christian  
•
Chergui, Majed  
Date Issued

2008

Published in
Chimia
Volume

62

Issue

4

Start page

287

End page

290

Subjects

EXAFS spectra; Molecular structure; Solution structure (EXAFS structural detn. of Pt2(P2O5H2)44- anion in soln.)

•

EXAFS structural detn platinum pyrophosphite anion soln

Note

CAN 149:564309

65-5

General Physical Chemistry

Laboratoire Spectroscopic Ultrarapide,Ecole Polytechnique Federale de Lausanne,Lausanne,Switz.

Journal

written in English.

102532-42-3 Role: PRP (Properties) (EXAFS structural detn. of Pt2(P2O5H2)44- anion in soln.)

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSU  
Available on Infoscience
February 27, 2006
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/225854
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