Organic salts ofL-tartaric acid: materials for second harmonic generation with a crystal structure governed by an anionic hydrogen-bonded network

Abstract
Twelve hydrogen-bonded hydrogen-L-tartrate salts, capable of second harmonic generation (SHG), have been synthesized {the crystal structure of piperazinium(2+) bis-hydrogen-L-tartrate, [H2NC4H8NH2][C4H5O6]2, is reported} the structural significance of hydrogen bonding and its use as a tool in crystal engineering is discussed.

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