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Table 2 Evaluated values of Δlog10 β, Δlog10 K, log10 X used for comparison of the stability of the heteroligand CoII(Himid)(L-α-Amac)n complexes with their parent binary complexes

From: Equilibria in cobalt(II)–amino acid–imidazole system under oxygen-free conditions: effect of side groups on mixed-ligand systems with selected L-α-amino acids

Ligand log10 β 1110 (experimental) log10 β stat a (calculated) Δlog10 β b Δlog10 K c log10 X d
Alanine 6.97 6.60 0.37 −0.05 1.35
Asparagine 6.89 6.61 0.28 −0.18 1.17
Aspartic acid 8.30 7.85 0.45 −0.24 1.50
Lysine 17.78e 17.43f 0.35g −0.08h 1.30i
Histidine 16.30e f 2.07h i
  1. a log10 β stat = log10 2 + (1/2)log10 β 1200 + (1/2) log10 β 1020
  2. b Δlog10 β = log10 β 1110−log10 β stat
  3. c Δlog10 K = log10 β 1110−log10 β 1010−log10 β 1100
  4. d log10 X = (2 log10 β 1110−log10 β 1200−log10 β 1020)
  5. e For log10 β 1111
  6. f log10 β stat = log10 2 + (1/2)log10 β 1202 + (1/2) log10 β 1020
  7. g Δlog10 β = log10 β 1111−log10 β stat
  8. h Δlog10 K = log10 β 1111−log10 β 1010−log10 β 1101
  9. i log10 X = (2 log10 β 1111−log10 β 1202−log10 β 1020)