Cun Zhou scite author profile

et al. 2020

Crystals

To identify the effects of halogen bonding in the architecture of Schiff base complex supramolecular networks, we introduced halogenated Schiff-base 3-Br-5-Cl-salen as ligand and isolated a new salen-type manganese(III) complex [MnIII(Cl)(H2O)(3-Br-5-Cl-salen)] (1) where 3-Br-5-Cl-salen = N,N’-bis(3-bromo-5-chlorosalicylidene)-1,2-diamine. The complex was investigated in the solid-state for halogen bonds (XBs) by single crystal X-ray structure analysis. Meanwhile, theoretical calculations were carried out to rationalize the formation mechanism of different types of XBs in the complex. The analysis result of electronic structure of the halogen bonds indicated that the chlorine atom coordinated to the Mn(III) center possesses the most negative potential and acts as anionic XB acceptor (electron donor) to the adjacent substituted halogens on the ligand, meanwhile the intermolecular Mn-Cl···X-C halogen bonding plays a significant role in directing the packing arrangement of adjacent molecules and linking the 2D layers into a 3D network. In order to verify the above results and acquire detailed information, the title complex was further analyzed by using the Hirshfeld surface analyses.

Crystal structure of bis((3-bromosalicylidene)-ethylenediaminato-κ⁴ N,N′,O,O′) nickel (II), C₁₆H₁₂Br₂NiN₂O₂

et al. 2020

Crystal structure of aqua-azido-κ¹ N-(6,6′-((propane-1,3-diylbis(azanylylidene))bis(methanylylidene))bis(3-bromophenolato)-κ⁴ N,N′,O,O′iron(III), C₁₇H₁₆Br₂FeN₅O₃

Huang

et al. 2020

Crystal structure of bis((3-chlorosalicylidene)-ethylenediaminato-κ⁴N,N′,O,O′)nickel (II), C₁₆H₁₂Cl₂NiN₂O₂

Tan

et al. 2020

Structure of the membrane fusion protein Spr0693 from Streptococcus pneumoniae R6

Yang¹,

Jiang²,

Hou³

et al. 2018