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A triclinic polymorph of (E)-2-(1-hy-droxy-3-phenyl-prop-2-en-1-yl-idene)-4,5-dimeth-oxy-cyclo-pent-4-ene-1,3-dione.

ABSTRACT: The title compound, C(16)H(14)O(5), is a triclinic polymorph of a previously reported monoclinic structure [Hosseinzadeh et al. (2011 ?). Acta Cryst. E67, o1544]. The mol-ecule is roughly planar, the r.m.s. deviation from the least-squares plane of all non-H atoms being 0.092?Å. In the crystal, adjacent mol-ecules are linked through C-H?O hydrogen bonds into an infinite two-dimensional network parallel to (011). The layers are further connected via C-H?? inter-actions, forming a three-dimensional structure. Intra-molecular O-H?O and C-H?O hydrogen bonds are also observed.

SUBMITTER: Hosseinzadeh M 

PROVIDER: S-EPMC3275208 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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A triclinic polymorph of (E)-2-(1-hy-droxy-3-phenyl-prop-2-en-1-yl-idene)-4,5-dimeth-oxy-cyclo-pent-4-ene-1,3-dione.

Hosseinzadeh Masoumeh M   Mukhtar Mat Ropi MR   Khalilzadeh Mohammad Ali MA   Khaledi Hamid H  

Acta crystallographica. Section E, Structure reports online 20120118 Pt 2

The title compound, C(16)H(14)O(5), is a triclinic polymorph of a previously reported monoclinic structure [Hosseinzadeh et al. (2011 ▶). Acta Cryst. E67, o1544]. The mol-ecule is roughly planar, the r.m.s. deviation from the least-squares plane of all non-H atoms being 0.092 Å. In the crystal, adjacent mol-ecules are linked through C-H⋯O hydrogen bonds into an infinite two-dimensional network parallel to (011). The layers are further connected via C-H⋯π inter-actions, forming a three-dimensiona  ...[more]

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