Figure 1.
UV-vis spectrum (-80 °C) and resonance Raman spectra (inset, -196 °C, λex = 457.9 nm as noted by arrow in the UV-vis spectrum; solid line = 16O, dashed line = 18O) of [LMe2Cu(μ-O)2Pt(PPh3)2]PF6 in 4:1 v/v THF/CH2Cl2. The peak at ∼700 cm-1 is due to CH2Cl2.