Revisiting a natural wine salt: calcium (2R,3R)-tartrate tetrahydrate
Alvaro Polo,
Alejandro Soriano-Jarabo,
Ricardo Rodríguez
et al.
Abstract:The crystal structure of the salt calcium (2R,3R)-tartrate tetrahydrate {systematic name: poly[[diaqua[μ4-(2R,3R)-2,3-dihydroxybutanedioato]calcium(II)] dihydrate]}, {[Ca(C4H8O8)(H2O)2]·2H2O}
n
, is reported. The absolute configuration of the crystal was established unambiguously using anomalous dispersion effects in the diffraction patterns. High-quality data also allowed the location and free refinement of all the H atoms, and therefore to a careful analysis of the hydr… Show more
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