Coordination behaviour of methazolamide [N(-4-methyl-2-sulfamoyl-Δ2-1,3,4-thiadiazolin-5-ylidene)] acetamide, an inhibitor of carbonic anhydrase enzyme. Synthesis, crystal structure and properties of bis(methazolamidate)tetrammine nickel(II)

Abstract The interaction of methazolamide (Hmacm) with Ni(II) ion and ammonia molecules gives rise to the complex of formula [Ni(macm)2(NH3)4]. The complex crystallizes in the monoclinic P21/n space group with a = 14.255(4), b = 7.126(2), c = 12.444(3) A, β = 113.12(3)° and Z = 2. The structure was refined to R = 0.065 (Rw = 0.065). The complex consists of monomeric units which interact through hydrogen bonds and van der Waals contacts. The Ni(II) ion is coordinated with the deprotonated sulfonamido nitrogen of the macm− ligand in axial sites and the ammonia molecules in equatorial positions. IR, electronic spectra and 1H NMR results are also reported.

Synthese, Struktur und magnetische Eigenschaften eines achtkernigen Nickel(II)-Komplexes mit einer zentralenhexahedro-Ni8-Einheit

Synthesis, Crystal Structure, and Magnetic Properties of an Octanuclear Nickel(II) Complex with ahexahedro-Ni8 Core

CCDC 2043144: Experimental Crystal Structure Determination

Related Article: E. Pilichos, M. Font-Bardia, A. Escuer, J. Mayans|2021|Dalton Trans.|50|1746|doi:10.1039/D0DT04224B

CCDC 2043145: Experimental Crystal Structure Determination

Related Article: E. Pilichos, M. Font-Bardia, A. Escuer, J. Mayans|2021|Dalton Trans.|50|1746|doi:10.1039/D0DT04224B

CCDC 125321: Experimental Crystal Structure Determination

Related Article: J.Faus, F.Lloret, M.Julve, J.M.Clemente-Juan, M.C.Munoz, X.Solans, M.Font-Bardia|1996|Angew.Chem.,Int.Ed.|35|1485|doi:10.1002/anie.199614851

CCDC 2043146: Experimental Crystal Structure Determination

Related Article: E. Pilichos, M. Font-Bardia, A. Escuer, J. Mayans|2021|Dalton Trans.|50|1746|doi:10.1039/D0DT04224B