Alimi Lukman O, Lama Prem, Smith Vincent J, Barbour Leonard J
Department of Chemistry and Polymer Science, University of Stellenbosch, Matieland, 7602, Stellenbosch, South Africa.
Chem Commun (Camb). 2018 Mar 25;54(24):2994-2997. doi: 10.1039/c8cc00775f. Epub 2018 Mar 6.
4-Bromobenzonitrile was crystallised by sublimation under vacuum. The crystals show highly flexible plastic bending along two perpendicular faces when a mechanical force is applied. The rare occurrence of bending along two perpendicular faces results in twisting or helix formation.
4-溴苯甲腈通过真空升华结晶。当施加机械力时,晶体在两个相互垂直的面上表现出高度灵活的塑性弯曲。沿两个相互垂直的面发生弯曲的情况很少见,会导致扭曲或螺旋形成。