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Zinc mercury(II) tetra-kis-(seleno-cyanate).

ABSTRACT: The title crystal, [HgZn(NCSe)4] n , a coordination polymer, has a diamond-like network. In the crystal, the metal ions, Zn(2+) and Hg(2+), are both located on fourfold inversion axes and mimic the role of C atoms in the structure of diamond, and the linear seleno-cyanate bridges replace the C-C bonds. The C-N-Zn unit is almost linear and the C-Se-Hg unit is nearly a right angle. Thus, the HgZn4 (or ZnHg4) arrangement is midway between a tetra-hedron and a square plane, with two types of Hg-Zn-Hg (or Zn-Hg-Zn) angles of 92.38?(6) and 156.45?(6)°.

SUBMITTER: Sun HQ 

PROVIDER: S-EPMC3884434 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Zinc mercury(II) tetra-kis-(seleno-cyanate).

Sun Hai-Qing HQ   Wang Xin-Qiang XQ   Zhang Wei-Wei WW  

Acta crystallographica. Section E, Structure reports online 20130817 Pt 9

The title crystal, [HgZn(NCSe)4] n , a coordination polymer, has a diamond-like network. In the crystal, the metal ions, Zn(2+) and Hg(2+), are both located on fourfold inversion axes and mimic the role of C atoms in the structure of diamond, and the linear seleno-cyanate bridges replace the C-C bonds. The C-N-Zn unit is almost linear and the C-Se-Hg unit is nearly a right angle. Thus, the HgZn4 (or ZnHg4) arrangement is midway between a tetra-hedron and a square plane, with two types of Hg-Zn-H  ...[more]

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