EPR and optical absorption spectral studies on voglite mineral

Reaction of metal saltsCoCl 2 •6H 2 O,NiCl 2 •6H 2 O and Na 2 [PdCl 4 ] with thymine bisdithiocarbamate and uracil bisthiocarbamate in molar ratio 2:1 (metal/ligand) affords the presumably tetrahedral complexes [M 2 (dtc)(H 2 O) 4 Cl 2 ] M; Co, Ni and square planer complexes [Pd(dtc)(H 2 O) 4 Cl 2 ] dtc=tdtc, utdc. Dithiocarbamates (dtcs) behave as monodentate ligands. Reaction of [M 2 dtc (H 2 O) 4 Cl 2 ] M; Co (II), Ni (II), and Pd(II) with 1,10-Phen.″ or 2,2′-BiPy. (two equivalents) affords tetrahedral complexes of type [M 2 dtc(Amin) 2 Cl 2 ] M; Co, Ni and square planer complexes [Pd 2 dtc(Amin) 2 Cl 2 ], bis(dithiocarbametes) acts as a monodentate ligand and binds to the metal center through the soft sulfur atoms. Antibacterial activity of ligands and complexes is evaluated with two types of bacteria Staphylococcus aurous (gram-positive) and Escherichia coli (gram-negative). The complexes are characterized by physico-chemical and spectroscopic methods.

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Synthesis, Characterization, and Antibacterial Activity of Co(II), Ni(II), and Pd(II) Complexes with Bisdithiocarbamate and Cyclic Amines Ligands

Mohammed

Mustafa

Aziz

2022

Macromolecular Symposia

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Uranium minerals and their relevance to long term storage of nuclear fuels

Baker

2014

Coordination Chemistry Reviews

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Analysis of Ground-State Zero-Field Splitting for Mn ²⁺ in ZnNbOF ₅ ·6(H ₂ O) and CoNbOF ₅ ·6(H ₂ O)

Li¹,

Kuang²

2011

Chinese Phys. Lett.

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The electron paramagnetic resonance spectra of trigonal Mn 2+ centers in ZnNbOF5•6(H2O) and CoNbOF5•6(H2O) crystals are studied on the basis of the complete energy matrices for a 𝑑 5 configuration ion in a trigonal ligand field. It is demonstrated that the local lattice structure around a trigonal Mn 2+ center has an elongation distortion along the crystalline 𝑐3 axis, and when Mn 2+ is doped in the ZnNbOF5•6(H2O) and CoNbOF5•6(H2O) crystals, there is a similar local distortion. From the EPR calculation, the local lattice structure parameters for trigonal Mn 2+ centers in ZnNbOF5•6(H2O) and CoNbOF5•6(H2O) are determined.

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EPR and optical absorption spectral studies on voglite mineral

Cited by 3 publications

References 25 publications

Synthesis, Characterization, and Antibacterial Activity of Co(II), Ni(II), and Pd(II) Complexes with Bisdithiocarbamate and Cyclic Amines Ligands

Synthesis, Characterization, and Antibacterial Activity of Co(II), Ni(II), and Pd(II) Complexes with Bisdithiocarbamate and Cyclic Amines Ligands

Uranium minerals and their relevance to long term storage of nuclear fuels

Analysis of Ground-State Zero-Field Splitting for Mn ²⁺ in ZnNbOF ₅ ·6(H ₂ O) and CoNbOF ₅ ·6(H ₂ O)

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EPR and optical absorption spectral studies on voglite mineral

Cited by 3 publications

References 25 publications

Synthesis, Characterization, and Antibacterial Activity of Co(II), Ni(II), and Pd(II) Complexes with Bisdithiocarbamate and Cyclic Amines Ligands

Synthesis, Characterization, and Antibacterial Activity of Co(II), Ni(II), and Pd(II) Complexes with Bisdithiocarbamate and Cyclic Amines Ligands

Uranium minerals and their relevance to long term storage of nuclear fuels

Analysis of Ground-State Zero-Field Splitting for Mn 2+ in ZnNbOF 5 ·6(H 2 O) and CoNbOF 5 ·6(H 2 O)

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Analysis of Ground-State Zero-Field Splitting for Mn ²⁺ in ZnNbOF ₅ ·6(H ₂ O) and CoNbOF ₅ ·6(H ₂ O)