Fig. 6From: Reversible uptake of molecular oxygen by heteroligand Co(II)–l-α-amino acid–imidazole systems: equilibrium models at full mass balanceUV/Vis spectra in the Co(II)–amac–Himid system at temperature ~0 °C, where amac = l-α-histidine. Right Y-axis: molar absorption coefficients of (a) Co(II) and (b) “active” heteroligand complex CoL2L′, where L amac, L′ Himid; left Y-axis: (c) molar absorption coefficients of the dioxygen adductBack to article page