Journal
IUCRJ
Volume 4, Issue -, Pages 65-71Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S2052252516019072
Keywords
cycloaddition reaction; curved single crystals; photosalient property; Zn(II) complex
Funding
- Ministry of Education, Singapore, through NUS FRC grant [R-143-000-604-112]
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A dramatic effect of crystal morphology, photoreactivity and photosalient property is observed in a zinc(II) complex due to solvent effects and fluorine substitution at the backbone of the ligand. Of the two crystal forms with a 3-fluoro derivative, one yielded a curved morphology of single crystals and the second form shows photoreactivity in the solid state, whereas crystals of the 2-fluoro derivative pop during the [2 + 2] photocycloaddition reaction. This is the first report documenting curved single crystals of metal complexes obtained naturally during crystallization, although such bent crystals have been observed in extended solids naturally, or bent by mechanical force or by UV irradiation.
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