Tetranaphthyleno[5,6-bcd:11,12-b'c'd':17,18-b''c''d'':23,24-b'''c'''d''']tetrafuran
Farid Fouad1, Scott D Bunge, Brett D Ellman
1Department of Chemistry and Biochemistry, Kent State University at East Liverpool, East Liverpool, OH 43920, USA.
This study details a planar tetrameric cyclooligomer, C(40)H(16)O(4), revealing its unique crystal structure and packing arrangement. Geometric parameters align with similar compounds, but packing shows distinct features.
Area of Science:
- Supramolecular chemistry
- Crystal engineering
- Organic solid-state chemistry
Background:
- Cyclooligomers are versatile molecular building blocks with tunable properties.
- Understanding the relationship between molecular structure and crystal packing is crucial for designing new materials.
- The specific cyclooligomer C(40)H(16)O(4) presents a unique planar tetrameric structure.
Purpose of the Study:
- To characterize the crystal structure of the title compound, C(40)H(16)O(4).
- To analyze the packing arrangement and intermolecular interactions within the crystal lattice.
- To compare the geometric parameters and packing motifs with related cyclooligomers.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed to determine the molecular and crystal structure.
- Crystallographic data were analyzed to identify the space group, molecular symmetry, and unit cell parameters.
- Intermolecular interactions and packing arrangements were visualized and analyzed using crystallographic software.
Main Results:
- The title compound, C(40)H(16)O(4), crystallizes in the monoclinic space group P2(1)/n.
- The molecule lies on an inversion center, with the asymmetric unit comprising half of the molecule.
- An interesting packing structure was observed, featuring layered arrangements and rotational stacking of planar rings, leading to additional interactions.
Conclusions:
- The determined crystal structure and packing of C(40)H(16)O(4) provide valuable insights into the solid-state behavior of planar cyclooligomers.
- The compound's geometric parameters are consistent with related structures, validating the structural model.
- The unique packing motifs highlight potential for tailored intermolecular interactions in crystal engineering applications.
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