L-prolinium tartrate.
In the title salt, C(5)H(10)NO(2)(+).C(4)H(5)O(6)(-), proline exists as a cation and the tartaric acid as a semi-tartrate anion. The semi-tartrate ions form hydrogen-bonded strings along the c axis. These strings are interconnected through the proline molecules, forming a layered network parallel to the bc plane. The proline molecules, however, do not directly interact among themselves, except for a weak C-H.O hydrogen bond.
Subha Nandhini
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Department of Physics, Madurai Kamaraj University, Madurai 625 021, India.
Krishnakumar
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Natarajan
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