Research Article
Molecular Structure and Crystal Packing of n-Type Semiconducting Material 3′,3′-(1,4-Phenylene)bis{2′-(4′′-trifluoromethyl)phenyl}acrylonitrile
Table 1
Crystallographic data.
| Empirical formula | C26H14F6N2 | Formula weight | 468.39 | Temperature | 90 K | Wavelength | 0.71073 Å | Crystal system | Triclinic | Space group | P −1 (number 2) | Unit cell dimensions | = 6.841(7) Å | = 8.712(8) Å | = 17.874(17) Å | Volume | 1031.5(17) Å3 | | 2 | Density (calculated) | 1.508 g cm−1 | Absorption coefficient | 0.127 mm | (000) | 476 | Crystal size | 0.30 × 0.15 × 0.10 mm | Theta range for data collection | 2.852 to 25.03° | Index ranges | −8 ≤ ≤ 8, −10 ≤ ≤ 10, 0 ≤ ≤ 21 | Reflections collected | 3627 | Independent reflections | 3627 (int) = 0.0424 | Reflections | > 2.0 sigma() 2043 | Completeness to theta = 25.03° | 99.5% | Absorption correction | Empirical | Refinement method | Full-matrix least-squares on | Data/restraints/parameters | 3627/0/308 | Goodness-of-fit on | 0.964 | Final indices > 2 sigma() | = 0.0602, = 0.1433 | indices (all data) | = 0.1015, = 0.1553 | Largest diff. peak and hole | 0.510 and −0.306 eÅ−3 |
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