• Jaishree Bhale
• Satish Shelke
• Sangshetty Kalayne
• Pradeep Sharma

Two copper (II) complexes of 1,4-Dihydrquinoxaline -2,3- dione have been prepared. The two complexes are [Cu(CL)2.2H2O]-L and [Cu(SO4)2.7H2O]-L where L = 1,4-Dihydrquinoxaline -2,3- dione . The ligand 1,4-Dihydrquinoxaline -2,3- dione has been preapared by mixing o-phnylenediamine and oxalic acid dihydrate . Synchrotron radiation source which is available at RRCAT(Raja Ramanna Center for Advance Technology ), Indore, M.P, India has been used for recording the X-ray k-Absorption Near Edge (XANES)and Extended X-ray K-Absorption Fine Structural (EXAFS) spectra of copper(II) complexes. Various X-ray absorption parameters e.g., chemical shift, edge-width and shift of the principal absorption maximum have been obtained with the help of XANES spectra. The EXAFS data obtained has been used to determine the bond length by using four different methods, i.e., Levy’s, Lytle, Lytle, Sayers and Stern’s (LSS) and Fourier transformation methods. Data analysis program Athena and the computer software Origin 6.0 professional have been used to processed the obtained data. The results of the study have been reported in this paper

Mixed ligand Copper(II) complexes,RRCAT, XANES, EXAFS,LSS, Athena, , Origin 6.0 professional

"XANES and EXAFS Studies of Copper(II) Complexes of 1,4-Dihydrquinoxaline -2,3-dione", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 3, page no.289-294, March-2019, Available :http://www.jetir.org/papers/JETIR1903444.pdf

"XANES and EXAFS Studies of Copper(II) Complexes of 1,4-Dihydrquinoxaline -2,3-dione", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 3, page no. pp289-294, March-2019, Available at : http://www.jetir.org/papers/JETIR1903444.pdf