Crystal Structures of Thiophene/Phenylene Co-Oligomers with Different Molecular Shapes
Source abstract
Abstract
We have determined crystallographic structures of four thiophene/phenylene co-oligomers with different molecular shapes. The compounds consist of the molecules straight, bent, or zigzag. All the crystals are monoclinic with space group either P 2 1 / c or P 2 1 / n, Z = 4, and the unique axis of b . The crystals are characterized by the presence of the molecular layered structure in which the molecules form the well-known herringbone structure laterally spreading along the ab -plane. We investigate the molecular disposition in the crystals and present its peculiarity in relation to those comprising nonstraight molecules (e.g., bent or zigzag). The specific effects upon optical characteristics produced by this peculiarity are mentioned.
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Research context
OpenAlex topics: Synthesis and Properties of Aromatic Compounds · Organic Electronics and Photovoltaics · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Photonics and Materials Research Department, Kashiwa Laboratory, Institute of Research and Innovation, 1201 Takada, Kashiwa, Chiba 277-0861, Japan, Research Facilities Department, Technical Service Center, National Institute of Advanced Industrial Science and Technology, Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan, Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan,...
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