双语化学辞典Chem Lexicon
点群 Point group

C5v 点群特征标表C5v character table

国际符号(Hermann–Mauguin)Hermann–Mauguin symbol 5m
C5vE2C52C5²5σv线性 / 转动linear, rotations二次quadratic
A11111zx²+y², z²
A2111−1Rz
E122cos72°2cos144°0(x, y), (Rx, Ry)(xz, yz)
E222cos144°2cos72°0(x²−y², xy)
阶 hOrder h10
类数Classes4
所属族FamilyCnv
代表分子ExamplesCpNiNO, 碗烯 corannuleneCpNiNO, corannulene

约化可约表示Reduce a representation

输入可约表示在各类上的特征标,按约化公式 \(n_i = \frac{1}{h}\sum_R g_R\,\chi(R)\,\chi_i(R)^{*}\) 求出各不可约表示出现的次数。

Enter the characters of a reducible representation; the reduction formula gives how many times each irreducible representation occurs.