Solvent effect on the optical property of uranyl acetylacetonate monohydrate

Mukul Pradhan; Mrinmoyee Basu; Sougata Sarkar; Arun Kumar Sinha; Tarasankar Pal

doi:10.1016/j.saa.2010.09.022

Solvent effect on the optical property of uranyl acetylacetonate monohydrate

Spectrochim Acta A Mol Biomol Spectrosc. 2011 Jan;78(1):205-10. doi: 10.1016/j.saa.2010.09.022. Epub 2010 Oct 8.

Authors

Mukul Pradhan¹, Mrinmoyee Basu, Sougata Sarkar, Arun Kumar Sinha, Tarasankar Pal

Affiliation

¹ Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, India.

PMID: 21030297
DOI: 10.1016/j.saa.2010.09.022

Abstract

The lability of the [UO2(acac)2H2O] complex has been exploited to decipher solvent composition of a medium. Successive blue shift of the π-π* band (λmax=282 nm) is observed due to alcohol substitution of increasing chain length in place of water. This observation helps to quantify the chain lengths of normal alcohol. The result has been accounted theoretically. However, in non-coordinating solvent, irregular red shift of the π-π* band is observed because of the molecular complexity. Again, charge transfer (CT) band at 211 nm has been identified employing polar-polar and polar coordinating-non-coordinating solvent systems.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Absorption
Alcohols / chemistry
Hydroxybutyrates / chemistry*
Ligands
Models, Chemical
Optical Phenomena*
Pentanones / chemistry*
Solvents / chemistry*
Spectrophotometry, Ultraviolet
Thermodynamics
Torsion, Mechanical
Uranium Compounds / chemistry*

Substances

Alcohols
Hydroxybutyrates
Ligands
Pentanones
Solvents
Uranium Compounds
acetyl acetonate