science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2020 Substance: iodine anion Other Names: diiodide anion Formula: I2(-) CAS-No.: PubChem: CID Study: UV extinction coefficients Authors: K. Takahashi, S. Sakai, H. Tezuka, Y. Hiejima, Y. Katsumura, M. Watanabe Title: Reaction between Diiodide Anion Radicals in Ionic Liquids Journal/Source: J. Phys. Chem. B, 111, 18, 4807–4811, (2007); https://doi.org/10.1021/jp0671087 Data: table Energy/Wavelength range: ~ 380 - 730 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: aqueous solution pH: Comments: In aqueous solution, the transient absorption maxima of I2- are located around 400 and 720 nm.