THE APPLICATION OF ∑ RELATIONSHIP LINEAR THEORY (Ⅱ)—— THE PROBLEM OF APPLICATION OF ∑7, RELATIONSHIP
Ninghai Hu, Liu Yongsheng, ZHOU QING-LIAN, GUO DONG-YAO, (1)吉林大学理论化学研究所,长春; (2)中国科学院长春应用化学研究所 · Acta Physica Sinica · 1987
A feasible calculation procedure of ∑7 relationship is proposed based on the ∑ relationship linear theory and tested with five known crystal structures. A comparison is made between ∑7 and ∑3 relationships and their practical value in crystal structure analysis are discussed.