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Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
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Published on: February 7, 2017

2D coordination polymers of macrocyclic oxamide with polycarboxylates: syntheses, crystal structures and magnetic

Ya-Qiu Sun1, Yan-Yan Xu, Dong-Zhao Gao

  • 1Tianjin Key Laboratory of Structure and Performance for Functional Molecule, College of Chemistry, Tianjin Normal University, Tianjin, P R China. hxxysyq@mail.tjnu.edu.cn

Dalton Transactions (Cambridge, England : 2003)
|March 23, 2012
PubMed

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In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...
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