Article

Interaction of transuranium elements with biologically important ligands: structural and spectroscopic evidence for nucleotide coordination to plutonium.

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry of Russian Academy of Sciences, 31 Leninskiy pr., Moscow 119991, Russia.
Inorganic Chemistry (impact factor: 4.6). 04/2009; 48(6):2343-5. DOI:10.1021/ic802053s
Source: PubMed

ABSTRACT The first complex of a transuranium element (tetravalent plutonium) with nucleotide (deoxycytidinemonophosphate, dCMP) was synthesized and structurally characterized. The crystal structure of [Pu(4)(NO(3))(8)(HdCMP)(4)(H(2)O)(8)](NO(3))(4).2H(2)O consists of complex cations [Pu(4)(NO(3))(8)(HdCMP)(4)(H(2)O)(8)](4+), NO(3)(-) anions, and water molecules. There are two crystallographically independent Pu atoms in the structure, both having similar surroundings. Each of the Pu atoms is coordinated by three O atoms of phosphate groups belonging to three different (HdCMP)(-) anions, two bidentate nitrate anions, and two water molecules. The crystal structure is confirmed by IR and UV/vis/near-IR spectroscopic data.

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Keywords

bidentate nitrate anions
 
deoxycytidinemonophosphate
 
first complex
 
IR
 
nucleotide
 
phosphate groups
 
tetravalent plutonium
 
transuranium element
 
UV/vis/near-IR spectroscopic data
 
water molecules