Keywords: Synergic.svg en Diagram showing synergic back-bonding in transition metal carbonyls zh 說明金屬羰基配合物的協合成鍵 own own manual drawing sarang 2010-12-02 PD File Synergic jpg File Synergic png File Synergic zh png I did my best drawing this diagram If anybody can better do it -- sarang<span style color 800 > </span>사랑 20 18 2 December 2010 UTC ValidSVG Chemical bonding Carbonyl complexes Transition metals |