Sumana Sarkar

Binuclear Copper(II) Complexes with $N_4O_3$ Coordinating Heptadentate Ligand: Synthesis, Structure, Magnetic Properties, Density-Functional Theory Study, and Catecholase Activity (2008)

Banerjee, Atanu, Sarkar, Sumana, Chopra, Deepak, Colacio, Enrique, Rajak, Kajal Krishna

The $N_4O_3$ coordinating heptadentate ligand afforded binuclear complex $[Cu_2(H_2L)(\mu-OH)](ClO_4)_2$ (1) and $[Cu_2(L)(H_2O)_2]PF_6$ (2). In complex 1, two copper ions are held together by...

Binuclear Copper(II) Complexes with $N_4O_3$ Coordinating Heptadentate Ligand: Synthesis, Structure, Magnetic Properties, Density-Functional Theory Study, and Catecholase Activity (2008)

Banerjee, Atanu, Sarkar, Sumana, Chopra, Deepak, Colacio, Enrique, Rajak, Kajal Krishna

The $N_4O_3$ coordinating heptadentate ligand afforded binuclear complex $[Cu_2(H_2L)(\mu-OH)](ClO_4)_2$ (1) and $[Cu_2(L)(H_2O)_2]PF_6$ (2). In complex 1, two copper ions are held together by...

A Ferromagnetically Coupled, Bent, Trinuclear Copper(II) Complex: Synthesis, Structure, Hydrogen-Bonding Network, Magnetic Properties and DNA Interaction Study (2006)

Sarkar, Sumana, Mondal, Amrita, Chopra, Deepak, Ribas, Joan, Rajak, Kajal Krishna

A bent trinuclear copper(II) complex (1) incorporating $_\mu$-phenoxo, $_\mu$-syn-syn carboxylato, and $\mu_3$-chloro bridges and an O,N'N-coordinated reduced Schiff-base ligand is reported. The...

Synthesis, structure and magnetic properties of two end-on double azido bridged nickel(II) dinuclear entities incorporating N,N,N-coordinating tridentate reduced schiff base ligands (2006)

Sarkar, Sumana, Mondal, Amrita, El Fallah, Mohamed Salah, Ribas, Joan, Chopra, Deepak, Stoeckli-Evans, Helen, ...

Complexes of the general formula $[Ni_{2}L_{2}(\mu_{1,1}-N_{3})_{2}(N_{3})_{2}]$ have been synthesised in good yields by reacting $Ni(NO_{3})_{2}{\cdot}6H_{2}O$ with L in the presence of excess of...

Competing Magnetic Interactions in a Dinuclear Ni(II) Complex: Antiferromagnetic O-H...O Moiety and Ferromagnetic $N_{3}^{-}$ Ligand (2006)

Sarkar, Sumana, Datta, Ayan, Mondal, Amrita, Chopra, Deepak, Ribas, Joan, Rajak, Kajal Krishna, ...

Synthesis, structural characteristics, magnetic studies and DFT calculations in Ni(II) dinuclear complexes containing two bridging $N_{3}^{-}$ and an O-H...O linkage reveal the existence of...

Synthesis, structure and magnetic properties of two end-on double azido bridged nickel(II) dinuclear entities incorporating N,N,N-coordinating tridentate reduced schiff base ligands (2006)

Sarkar, Sumana, Mondal, Amrita, El Fallah, Mohamed Salah, Ribas, Joan, Chopra, Deepak, Stoeckli-Evans, Helen, ...

Complexes of the general formula $[Ni_{2}L_{2}(\mu_{1,1}-N_{3})_{2}(N_{3})_{2}]$ have been synthesised in good yields by reacting $Ni(NO_{3})_{2}{\cdot}6H_{2}O$ with L in the presence of excess of...

Competing Magnetic Interactions in a Dinuclear Ni(II) Complex: Antiferromagnetic O-H...O Moiety and Ferromagnetic $N_{3}^{-}$ Ligand (2006)

Sarkar, Sumana, Datta, Ayan, Mondal, Amrita, Chopra, Deepak, Ribas, Joan, Rajak, Kajal Krishna, ...

Synthesis, structural characteristics, magnetic studies and DFT calculations in Ni(II) dinuclear complexes containing two bridging $N_{3}^{-}$ and an O-H...O linkage reveal the existence of...

A Ferromagnetically Coupled, Bent, Trinuclear Copper(II) Complex: Synthesis, Structure, Hydrogen-Bonding Network, Magnetic Properties and DNA Interaction Study (2006)

Sarkar, Sumana, Mondal, Amrita, Chopra, Deepak, Ribas, Joan, Rajak, Kajal Krishna

A bent trinuclear copper(II) complex (1) incorporating $_\mu$-phenoxo, $_\mu$-syn-syn carboxylato, and $\mu_3$-chloro bridges and an O,N'N-coordinated reduced Schiff-base ligand is reported. The...

A family of oxorhenium(v) complexes incorporating chelated monoanionionn ONN reduced Schiff base and dianionic ONNO tetradentate ligands:synthesis, spectroscopic and electrochemical studies (2004)

Mondal, Amrita, Sarkar, Sumana, Chopra, Deepak, Row, Guru TN, Rajak, Kajal Krishna

The green colored complexes of the type $Re^{\mathrm{v}}O(L_{SB})Cl_{2}$, 1, have been synthesised by reacting $NBu_{4}[ReOCl_{4}]$ with $HL_{SB}$ in dry ethanol. Here, $L_{SB}$− are the...

A family of oxorhenium(v) complexes incorporating chelated monoanionionn ONN reduced Schiff base and dianionic ONNO tetradentate ligands:synthesis, spectroscopic and electrochemical studies (2004)

Mondal, Amrita, Sarkar, Sumana, Chopra, Deepak, Row, Guru TN, Rajak, Kajal Krishna

The green colored complexes of the type $Re^{\mathrm{v}}O(L_{SB})Cl_{2}$, 1, have been synthesised by reacting $NBu_{4}[ReOCl_{4}]$ with $HL_{SB}$ in dry ethanol. Here, $L_{SB}$− are the...