valence angle

valence angle

[′vā·ləns ‚aŋ·gəl]
(physical chemistry)
References in periodicals archive ?
Because of the symmetry of the benzene ring and the rotation of the benzene ring around the C-X bond could be considered as free rotation, so the flexibility of polyimide only depends on the length of rigid chain and the valence angle of the C-X-C bond [31].