An unexpected co-crystal with a variable degree of order: 1:1 rac-1,2-cyclohexanediol/triphenylphos­phine oxide

Siegler, M.A.; Fu, Y.; Simpson, G.H.; King, D.P.; Parkin, S.; Brock, C.P.

doi:10.1107/S0108768107054699

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

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Figure 1
Two projections of an ordered triclinic structure of the 1:1 compound of rac-1,2-cyclohexanediol and triphenylphospine oxide. The two independent molecules of the two components are distinguished by the shade of gray. Both the triclinic and approximate monoclinic axes are shown; they are distinguished by subscripts. (a) Projection down b_T = c_M; (b) projection down a_T = b_M. Note that the a_T axis in (a) and the b_T axis in (b) are almost in the plane of the drawing because the angle γ_T is very close to 90° (see Table 1

). In neither case, however, is the c_T axis (surrounded by parentheses) even approximately in the plane of the drawing. In (a) the a_M axis is not in the plane of the drawing either.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 63| Part 6| November 2007| Pages 912-925

doi:10.1107/S0108768107054699

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