Аннотации:
The stereochemistry of erbium(HI) and thulium(III) monotartrates LnH2L+ (Ln = Er3+ or Tm3+; H4L is tartaric acid) in aqueous solution is studied by the paramagnetic birefringence method in tandem with molecular mechanics. Paramagnetic anisotropy for the Er3+ and Tm3+ ions is estimated.