The second important contribution that Werner made to the study of coordination chemistry was the postulate that the bonds to the ligands were fixed in space and therefore could be treated by the application of structural principles.

• 沃纳对配位化学研究所作的第二个重要贡献是：他提出配位体的价键在空间是固定的,因此,能够应用结构原理加以处理。