4,4′-(4,5-Dimethyl-1,2-phenyl­ene)bis­(2-methyl­but-3-yn-2-ol): structural variation in vicinal dialkynols

Bond, M.R.; Hathaway, B.A.; Kilgore, U.J.

doi:10.1107/S0108270112013169

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
A plot of a portion of the quasi-square layer in (I)

(with b vertical and [201] horizontal) formed by hydrogen bonding between inversion-related pairs of molecules. Atoms are represented by circles of arbitrary radii and H atoms have been omitted for clarity, except for those bound to oxygen. Pairs of type 0 and 1 molecules are identified in the diagram and the inset shows the detail of the square tetrameric hydrogen-bonded synthon. [Symmetry codes: (ii) x − 1, −y + $[{1\over 2}]$ , z − $[{1\over 2}]$ ; (iv) −x + 1, y − $[{1\over 2}]$ , −z + $[{1\over 2}]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 68| Part 4| April 2012| Pages o179-o182

doi:10.1107/S0108270112013169

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