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Abstract:
The structure of D,L-glyceraldehyde has been redetermined by means of
synchrotron and conventional X-radiation. At 295 K lattice parameters
in monoclinic space group P2(1)/n are: a = 6.403(2) angstrom, b =
6.961(2)Å, c = 8.830(3)Å, beta = 105.00(2)°, V =
380.12Å3, Z = 2. Three independent data sets of crystals with
crystal volumes of 0.00009 and 0.02 mm3 are compared. As a main
advantage of the synchrotron experiment it was found that its results
obtained with the small crystal are of similar precision compared to
those based on the larger crystal measured with a conventional tube.
