Structure-directing weak phosphoryl XH⋯O=P (X = C, N) hydrogen bonds in cyclic oxazaphos­pholidines and oxazaphosphinanes

van der Lee, A.; Rolland, M.; Marat, X.; Virieux, D.; Volle, J.-N.; Pirat, J.-L.

doi:10.1107/S0108768107061770

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 4
Atom labelling of the central rings and the chiral centers for structures (I)–(IX). Note that the labelling of the second independent molecule in the asymetric unit of (II) follows the same systematic as that depicted in this figure, i.e. O1—C5 is replaced by O25—C29.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 64| Part 2| March 2008| Pages 196-205

doi:10.1107/S0108768107061770

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