Enantiomerically pure α-haloketals: structure and conformation of (2'<i>S</i>,4'<i>R</i>,5'<i>R</i>)-dimethyl 2'-halo-1',2',3',4'-tetrahydrospiro[1,3-dioxolane-2,1'-naphthalene]-4,5-dicarboxylates (halo = Cl, Br, I)
Authors of publication
Ianelli, S.; Nardelli, M.; Giordano, C.; Coppi, L.; Restelli, A.
Journal of publication
Acta Crystallographica Section C
Year of publication
1992
Journal volume
48
Journal issue
9
Pages of publication
1722 - 1727
a
14.932 ± 0.003 Å
b
14.85 ± 0.002 Å
c
7.173 ± 0.002 Å
α
90°
β
90°
γ
90°
Cell volume
1590.5 ± 0.6 Å3
Cell temperature
293 ± 2 K
Ambient diffraction temperature
293 ± 2 K
Number of distinct elements
4
Space group number
19
Hermann-Mauguin space group symbol
P 21 21 21
Hall space group symbol
P 2ac 2ab
Residual factor for significantly intense reflections
0.0318
Weighted residual factors for significantly intense reflections
0.0407
Goodness-of-fit parameter for significantly intense reflections