Conformations and resulting hydrogen-bonded networks of hydrogen {phosphono­[(pyridin-1-ium-3-yl)amino]­meth­yl}phospho­nate and related 2-chloro and 6-chloro derivatives

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

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Figure 2
Views of (II)

(top) and (III)

(bottom), showing the atom-numbering schemes and the intramolecular close contact in (II)

and the symmetry-independent intermolecular hydrogen bond in (III)

(thin dashed lines). Displacement ellipsoids are drawn at the 50% probability level, except for the C and N atoms of the disordered cation in (III)

. The two positions of the disordered cation in (III)

are shown with solid and open lines. Thick dashed lines indicate covalent bonds to H atoms with a site-occupancy factor of 0.5.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

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