The salt of l‐prolinium picrate

Abstract

Key words proline, picric acid, bifurcated hydrogen bonding, CH---O hydrogen bond, π−π stacking. PACS 61.66.Hq A crystalline salt of prolinium picrate, C 11 H 12 N 4 O 9 , has been prepared and characterized by X-ray crystallography. The salt crystallizes in orthorhombic space group P2 1 2 1 2 1 with a = 6.325 (1) There exists a competion between hydrogen bonds and π−π stacking in determining the title crystal.

Opening Pandora’s Box: Chirality, Polymorphism, and Stoichiometric Diversity in Flurbiprofen/Proline Cocrystals

“…l -pro has found application in chiral resolution through diastereomeric salt or cocrystal formation. − It was also studied in relation to conformational polymorphism and applied to create an amino acid derived semiconductor − for instance, its tartrate may be considered as a material for nonlinear optical applications, as well as boronic acids. , …”

Mini‐Review: Progress on the Controllable Synthesis of Micro/Nanoscale Bi2S3 Functional Materials

“…The reaction kinetics can be affected by the numbers of initial nucleations through altering the reaction parameters, so as to cause the oriented growth of crystal structure sorts and further influence the properties of materials, such as the size, shape, structure, and purity of these materials. [ 29 ] Up to now, typical structures of Bi 2 S 3 (such as nanowires, [ 30,31 ] nanorods, [ 32–35 ] nanotubes, [ 36–38 ] nanobelts, [ 39 ] nanowhiskers, [ 40 ] nanoflowers, [ 41–43 ] snowflake‐like, [ 44 ] and urchin‐like nanospheres [ 45 ] ) have been successfully gained via the hydrothermal, [ 46–59 ] solvothermal, [ 60–72 ] ionic liquid‐assisted, [ 73–78 ] and microwave‐assisted processes. [ 79–84 ] The structural diversity of Bi 2 S 3 makes it increasingly attractive highlights, owing to the essential properties when exploring its further applicability ( Figure ).…”