Hydrothermal Synthesis, Crystal Structure and Optical Properties of [M(en)3](ndt)·H2O (M=NiII, CoII, MnII and ndt=1,5-Naphthalenedithiolate)

• Published in: Chinese journal of chemistry Vol. 24; no. 5; pp. 695 - 700
• Main Authors: Yu, Jing-Hua, Wei, Yong-Ge, Ding, Chang-Jiang, Du, Hong-Guang, Yan, Sheng-Gang, Guo, Hong-You
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 01.05.2006; WILEY‐VCH Verlag
• Subjects: crystal structure; dithiolate; hydrothermal synthesis; opticalproperty; tris(ethylenediamine)-metal chelate
• ISSN: 1001-604X; 1614-7065
• DOI: 10.1002/cjoc.200690132

Three novel compounds [Ni(en)3](ndt)·H2O (1), [Co(en)3](ndt)·H2O (2) and [Mn(en)3](ndt)·H2O (3) (en=ethylenediamine, ndt=1,5‐naphthalenedithiolate) have been synthesized under hydrothermal conditions. The structures were characterized by single crystal X‐ray diffraction and all belong to monoclinic space group Cc. The [M(en)3]2+ cations (M=NiII, CoII, MnII), ndt anions and crystallized water molecules assemble an iso‐structural three‐dimensional network through H‐bonding interactions. Optical absorption properties and band gaps of such three compouds were determined with UV/Vis/NIR diffuse reflectance spectra.