Oligomeric Forms of Tin(IV) in the Rb2Sn(OH)6-H2O-H2O2-Rb2Sn(OOH)6 System as Probed by 119Sn and 17O NMR
Russian Journal of Inorganic Chemistry
, E-ISSN: 1531-8613
Boreskov Institute of Catalysis SB RAS
Kurnakov Institute of General and Inorganic Chemistry RAS
Moscow State University of Education
Solutions of the Rb2Sn(OH)(6)-H2O-H2O2-Rb2Sn(OOH)(6) System with different [H2O2]/[H2O] ratios were studied by Sn-119 and O-17 NMR. A broad Sn-119 NMR signal in the range from -590 to -610 ppin was assigned to Sn(IV) oligomeric forms with bridging peroxo groups. The conditions of their formation and stability range were determined. The first O-17 NMR characteristics of the peroxo groups coordinated to the tin(IV) atom were obtained.