6533b7d5fe1ef96bd1263d42

RESEARCH PRODUCT

Crystal structure analysis of a star-shaped triazine compound: a combination of single-crystal three-dimensional electron diffraction and powder X-ray diffraction.

Till OpatzHerbert MeierLars AndernachJacco Van De StreekTatiana Gorelik

subject

DiffractionChemistryMetals and Alloys02 engineering and technologyCrystal structure010402 general chemistry021001 nanoscience & nanotechnology01 natural sciencesAtomic and Molecular Physics and Optics0104 chemical sciencesElectronic Optical and Magnetic MaterialsDipolesymbols.namesakeCrystallographyElectron diffractionX-ray crystallographyMaterials Chemistrysymbols0210 nano-technologySingle crystalPowder diffractionDebye

description

The solid-state structure of star-shaped 2,4,6-tris{(E)-2-[4-(dimethylamino)-phenyl]ethenyl}-1,3,5-triazine is determined from a powder sample by exploiting the respective strengths of single-crystal three-dimensional electron diffraction and powder X-ray diffraction data. The unit-cell parameters were determined from single crystal electron diffraction data. Using this information, the powder X-ray diffraction data were indexed, and the crystal structure was determined from the powder diffraction profile. The compound crystallizes in a noncentrosymmetric space group,P212121. The molecular conformation in the crystal structure was used to calculate the molecular dipole moment of 3.22 Debye, which enables the material to show nonlinear optical effects.

10.1107/s2052520618006686https://pubmed.ncbi.nlm.nih.gov/29927391