Research Article
A Way to Improve Luminescent Efficiency of Bis-Chalcone Derivatives
Table 1
Summary of crystal data and structure refinement parameters of bis-chalcone 1b.
| | Compound | 1b |
| | Empirical formula | C24H18O4 | | Formula weight | 370.38 | | Temperature (K) | 296() | | Crystal system | Monoclinic | | Space group | P21/n | | (Å) | 4.9841() | | (Å) | 27.0759() | | (Å) | 6.9770() | | (°) | 90.00 | | (°) | 101.37() | | (°) | 90.00 | | Volume (Å3) | 923.05() | | 2 | | Density (calculated) (mg/m3) | 1.333 | | Absorption coefficient (mm−1) | 0.090 | | range for data collection (°) | 3.07 to 25.87 | | Reflections collected | 2111 | | Independent reflections | 1546 | | Data/restraints/parameters | 2111/0/129 | | Final indices [] | = 0.0394
= 0.1164 | | indices (all data) | = 0.0565
= 0.1326 |
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