再谈磷的同素异形体(1)——块体磷的同素异形体

结合最新研究进展，全面介绍了块体状磷的同素异形体——白磷、红磷、黑磷等，包括存在、组成、性质、结构、制备、应用等，同时明确了紫磷、希拖夫磷、灰磷、褐磷等概念，提出了大学本科化学教学的建议。     

诺贝尔奖宠儿——碳元素的前世今生

碳元素历史悠久,与现代人类社会联系紧密,对人类未来意义重大,多次斩获诺贝尔奖。在揭开碳元素的发现史之后,介绍了活性炭、碳纤维、玻璃碳等无定形碳以及热解炭等过渡碳的重要作用。此外,晶形碳的经典同素异形体--C60富勒烯、碳纳米管、石墨烯的独特结构造就了其在纳米材料领域的非凡用途;新型同素异形体的合成、发现与应用更是碳元素研究领域的热点。     

Cubic C8: An Observable Allotrope of Carbon?

Ab initio and DFT calculations are used to investigate the structure, electronic properties, spectra and reactivity of cubic C₈, which is predicted to be aromatic according to Hirsch′s rule. Although highly strained and with a small amount of diradical character, the carbon cube represents a surprisingly deep minimum and should therefore be observable as an isolated molecule. It is, however, predicted to be very reactive, both with itself and triplet oxygen. Calculated IR, Raman, and UV/Vis spectra are provided to aid identification of cubic C₈ should it be synthesized.     

A ketone-functionalized aromatic saddle as a potential building block for negatively curved carbon nanobelts

Herein, we report the synthesis and crystal structure of a novel ketone-functionalized aromatic saddle, which is a potential building block for synthesis of negatively curved carbon nanobelts.