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利用一组内部坐标和三个欧拉角描述八极形变系统的集体运动，动能被分解成三部分：体坐标系下的形变振动，体坐标系围绕实验室系的转动以及振动和转动的耦合．量子化的动能算符被导出，一些特殊八极形变下的集体谱被讨论．
Using a set of internal coordinates and three Euler angles to describe the collective motion of the octupole deformable system, the kinetic energy is decomposed into three parts: the deformation vibration in the body coordinate system, the rotation of the body coordinate system in the laboratory, and the coupling of vibration and rotation . Quantum kinetic operators are derived, and some special octupole transformations of collective spectra are discussed.