KISHALAY BHAR
Articles written in Journal of Chemical Sciences
Volume 125 Issue 4 July 2013 pp 715-721
Subhasis Roy Somnath Choubey Sumitava Khan Kishalay Bhar Partha Mitra Barindra Kumar Ghosh
One-pot synthesis using a 2:2:1:2 molar ratio of Pb(OAc)2·3H2O, L, piperidinum terephthalate (ptp) and NaClO4/NH4PF6 at room temperature affords two dinuclear compounds of the type [Pb2(L)2(𝜇- tp)](ClO4/PF6)2 (
Volume 125 Issue 4 July 2013 pp 723-730
Subhasish Kundu Subhasis Roy Kishalay Bhar Rajarshi Ghosh Chia-Her Lin Joan Ribas Barindra Kumar Ghosh
One mononuclear cobalt(II) compound of the type [Co(bnzd)2(NCS)2(OH2)2] (
Volume 126 Issue 3 May 2014 pp 763-769 Regular Articles
Subhasis Roy Soumi Chattopadhyay Somnath Choubey Kishalay Bhar Partha Mitra Barindra Kumar Ghosh
Two dinuclear mercury(II) iodide complexes of the types [(L1)Hg(𝜇-I)HgI3] (
Volume 126 Issue 6 November 2014 pp 1685-1694 Regular Articles
Somnath Choubey Soumi Chattopadhayay Kishalay Bhar Subhasis Roy Sumitava Khan Joan Ribas Barindra Kumar Ghosh
A dinuclear compound [Mn2(L)2(𝜇-tp)](PF6)2·3.57H2O (
Volume 130 Issue 8 August 2018 Article ID 0108
MONIKA SHEORAN KISHALAY BHAR TANVEER A KHAN ANUJ K SHARMA
Three phenoxo-bridged dinuclear zinc(II) halide complexes [Zn(L2)(X)]2 (X = Cl, Br, I) were isolated from a reduced Schiff base [HL2 = 2-(((2-(dimethylamino)ethyl)amino)methyl)-4-nitrophenol]. Ligand and complexes were characterized using different physico-chemical and spectroscopic methods. Structural study confirms that [Zn(L2)(Cl)] 2 contains a discrete dinuclear unit where two zinc(II) ions are bridged by the two phenoxo oxygen atoms of the deprotonated ligand (L2). The complex adopts a rare cis-orientation with respect to chloride ions. The rate of hydrolysis of 4-NPP ((4-nitrophenyl)phosphatehexahydrate) in the presence of zinc(II) complexes was measured by initial rate method giving kcat values in the order I > Cl > Br and mechanistic pathway was monitored using ESI-mass spectroscopy. It is worth mentioning that presence of an electron withdrawing − NO2 group in HL2 eventually increases the Lewis acidity of zinc(II) which in turn reduces the nucleophilic character of metal bound water molecule in the intermediate state causing an overall decrease in the rate of hydrolysis of 4-NPP as compared to our previous work with HL1 (2-((2-(dimethylamino)ethylamino)methyl)phenol).
Volume 131 Issue 8 August 2019 Article ID 0084
ARGHYA DUTTA ARNAB CHATTERJEE KISHALAY BHAR ANINDITA BANERJEE RAJARSHI GHOSH
One nickel(II)-dithiolene complex bis(1,2-diphenylethylene-1,2-dithiolate)nickel(II) has been synthesized and crystallographically characterized. The complex is square planar at its metal centre. The compound in its solid-state is found to conduct electricity at room temperature. Variation of conduction is also found on raising the temperature. Instead of a metal…metal orbital overlap, the electron density is expected here to pass through some other covalent and electrostatic bonds of the compound in solid-state resulting in electricity conduction.
Volume 135, 2023
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