在谈化合物的手性的时候, 先谈谈chirality和parity的区别 chirality是化学中所说的手性 parity翻译为宇称,新规则下的手性 Parity is a general type of specification of chirality. 计算机中对手性原子的重新定义。 parity和chirality都和顺时针逆时针有关 顺时针parity的值为1,逆时针值为2,非手性碳为0,手性 ...
http://www.liv.ac.uk/~afcalder/apt3.html ############ cmd.load_cgo(obj,'segment', 1) Additional states can be appended quite simply like this. Note how thewireframe 'box' is recalled without having to restate the same vertexcoordinates and that the object name 'at ...