Moon, Jihyeon; Ok, Kang Min published an article in 2022, the title of the article was (R)- and (S)-[C8H10NO3]2[NbOF5]: noncentrosymmetric niobium oxyfluorides with large optical anisotropy.Formula: C8H9NO3 And the article contains the following content:
Huge crystals of noncentrosym. (NCS) organic-inorganic hybrid niobium oxyfluorides, (R)-[C8H10NO3]2[NbOF5] [(R)-Nb] and (S)-[C8H10NO3]2[NbOF5] [(S)-Nb], have been easily grown via a slow evaporation method in high yields through the systematic driving of chiral structure-directing agents, 4-hydroxy-D-(-)-2-phenylglycine [(R)-HPG] and 4-hydroxy-L-(+)-2-phenylglycine [(S)-HPG], resp. Both (R)-Nb and (S)-Nb crystallizing in the NCS nonpolar space group, P21212, exhibit pseudo-three-dimensional structures assembled via multiple hydrogen bonding interactions between distorted [Nb(O/F)2F4]2- octahedra and the resp. protonated HPG cations. Interestingly, crystals of (R)-Nb and (S)-Nb exhibit large birefringence (ηnexp) of [email protected] nm attributable to the strong p-p interactions arising from the stacked benzene rings in HPG cations. The reported materials exhibit strong stability in most solvents in a wide range of polarities. Detailed characterization studies, including thermal properties, various spectroscopic analyses, second-harmonic generation measurements, and electronic structure calculations on the reported materials, are also described. The experimental process involved the reaction of H-Phg(4-OH)-OH(cas: 32462-30-9).Formula: C8H9NO3
The Article related to carboxybenzyloxy ammonium niobium pentoxide noncentrosym optical anisotropy, Placeholder for records without volume info and other aspects.Formula: C8H9NO3
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