BASUDEB DUTTA
Articles written in Journal of Chemical Sciences
Volume 128 Issue 12 December 2016 pp 1861-1869 Regular Article
DILIP KUMAR MAITY FAZLE HAQUE BASUDEB DUTTA BISWAJIT BHATTACHARYA DEBAJYOTI GHOSHAL
Assembly of diphenylphosphate (dpp) with Cu(II) salts in combination with the different Ndonor linkers, e.g., pentamethyldiethylenetriamine (pmdeta), bis-(3-aminopropyl)amine (bapa) and 4-Picolene (4-pic), yielded three new metal-organic coordination complexes, namely {[Cu(dpp)(pmdeta)]·ClO₄.H₂O}₂ (1), {[{[Cu(dpp)(bapa)H₂O]·ClO₄} (2) and [Cu(dpp)2(4-pic)₂]₂ (3) by stirring the constituent reactants at room temperature. Complexes 1–3 were characterized by single crystal X-ray diffraction analysis and were further characterized by elemental analysis, infrared spectroscopy (IR) and powder X-ray diffraction (PXRD) studies. Compound 1 exhibits a dimeric Cu(II) complex which forms a 1D supramolecular chain along the crystallographic c-axis by means of intermolecular π .. .π interactions. Compounds 2 and 3 form a monomeric and dimeric complex of Cu(II) respectively, which are further extended into a supramolecular 2D structure viaC-H..π interactions for 2 and a 3D structure for 3 with the help of both intermolecular C-H..π and π . . . π interactions for 3. In addition, the solid state UV-Vis spectra of compounds 1-3 and free dpp ligand have beeninvestigated at room temperature.
Volume 132 All articles Published: January 2020 Article ID 0009
BASUDEB DUTTA AKHTARUZZAMAN HIROKI SATO TAKASHIRO AKITSU ALEXANDRA M Z SLAWIN UDDALOK KAR CHITTARANJAN SINHA MOHAMMAD HEDAYETULLAH MIR
Two hitherto unknown one-dimensional coordination polymers (1D CPs) [M(adc)(4-spy)2 (H2O)2]n, (M = Mn(II) (1) and Co(II) (2); H2adc = acetylenedicarboxylic acid and 4-spy = 4-styrylpyridine) have been characterized by infrared spectra, elemental analysis, thermogravimetric analyses (TGA), powder X-ray diffraction (PXRD) patterns and single-crystal X-ray diffraction techniques. Both these compounds 1 and 2, are isostructural and construct 3D supramolecular networks by the combination of hydrogen bonding and C–H...p interactions. Interestingly, these two materials exhibit variable temperature magnetic moment
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