Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Journal of the American Chemical Society called A Chiral Prussian Blue Analogue Pushes Magneto-Chiral Dichroism Limits, Author is Atzori, Matteo; Breslavetz, Ivan; Paillot, Kevin; Inoue, Katsuya; Rikken, Geert L. J. A.; Train, Cyrille, which mentions a compound: 19777-66-3, SMILESS is C[C@H](N)CN.[H]Cl.[H]Cl, Molecular C3H12Cl2N2, Application of 19777-66-3.
Here magneto-chiral dichroism (MChD) detected with visible light on the chiral Prussian Blue Analog [MnII(X-pnH)(H2O)][CrIII(CN)6]·H2O (X = S, R; pn = 1,2-propanediamine) is reported. Single crystals suitable for magneto-optical measurements were grown starting from enantiopure chiral ligands. X-ray diffraction and magnetic measurements confirmed the 2D-layered structure of the material, its absolute configuration, and its ferrimagnetic ordered state below a critical temperature TC of 38 K. Absorption and MChD spectra were measured between 450 and 900 nm from room temperature down to 4 K. At 4 K the electronic spectrum features spin-allowed and spin-forbidden transitions of CrIII centers, spin-forbidden transitions of the MnII centers, and metal-to-metal charge transfer bands. The MChD spectra below the magnetic ordering temperature exhibit intense absolute configuration-dependent MChD signals. The temperature dependence of these signals closely follows the material magnetization. Under a magnetic field of 0.46 T, the most intense contribution to MChD represents 2.6% T-1 of the absorbed intensity, one of the highest values observed to date.
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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider