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Updated: Jun 1, 2026

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Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
(E)-1,1,4,4-Tetra-phenyl-but-2-yne-1,4-diol
Summary
This study reveals the crystal structure of a C(28)H(22)O(2) compound. Its centrosymmetric molecule features hydroxyl groups on opposite sides, forming linear chains via hydrogen bonds.
Area of Science:
- Crystallography
- Molecular Chemistry
- Supramolecular Chemistry
Background:
- Understanding the three-dimensional arrangement of atoms in organic molecules is crucial for predicting their properties and reactivity.
- Crystal structure analysis provides fundamental insights into molecular geometry and intermolecular interactions.
Purpose of the Study:
- To determine and describe the crystal structure of the title compound, C(28)H(22)O(2).
- To investigate the intermolecular interactions, specifically hydrogen bonding, that stabilize the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to analyze the molecular and crystal structure.
- The crystal structure was solved and refined to determine atomic positions and bond lengths.
Main Results:
- The molecule of C(28)H(22)O(2) exhibits centrosymmetry, with the inversion center at the midpoint of a C-C bond.
- Hydroxyl groups are positioned on opposite sides of the molecule.
- O-H⋯O hydrogen bonds were identified as the primary stabilizing force, organizing molecules into linear supramolecular chains along the b axis.
Conclusions:
- The crystal packing of C(28)H(22)O(2) is dictated by its inherent molecular symmetry and strong hydrogen bonding interactions.
- The formation of linear supramolecular chains highlights the role of hydrogen bonds in directing crystal architecture.
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