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Coordination behavior of Schiff base copper complexes and structural characterization

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Abstract

Herein, we report the coordination behavior of 2-Acetyl thiophene thiosemicarbazone with copper chloride at various pH. Three copper complexes, [Cu(C7H9N3S2)2Cl2]Cl2, [Cu(C7H9N3S2)2(H2O)2]Cl2, [Cu(C7H9N3S2)2]Cl2 were synthesized at pH 4, 7, 10 and their structure was characterized. The electrical conductance value of the complexes (176.0 × 103, 184.0, 191.0 (173 Ohm−1 cm2 mole−1) showed that the Schiff base derivative is attached to the metal in 2:1 ratio. The board electronic spectral values (15,400 to 15,950 cm−1) data showed that the complexes were found in the distorted octahedral structure. The value of magnetic moment ranged from 1.90 to 1.95 showing that the complexes were paramagnetic in nature. An IR study showed that all three complexes bind in different coordination modes with the copper such as nitrogen atoms of C=N–, and sulfur atoms of C=S–, Cl−, and sulfur atom of five-membered rings of thiophene.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request

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Authors and Affiliations

  1. P.G. Department of Chemistry, Jai Prakash University, Saran, Chapra, Bihar, 841302, India

    Mukesh Kumar & Ravindra Singh

  2. Department of Chemistry, SBAS, K R Mangalam University, Gurugram, Haryana, 122103, India

    Chandra Mohan

  3. Department of Chemistry, Shyam Lal College, University of Delhi, New Delhi, Delhi, 110032, India

    Sanjay Kumar

  4. Saint-Petersburg University of Aerospace Instrumentation, Saint Petersburg, Russia, 190000

    Kirill Epifantsev

  5. Department of Chemistry, M.J.P.R. University Bareilly, Bareilly, U.P., India

    Vikky Singh

  6. Peter the Great St. Petersburg Polytechnic University, Saint Petersberg, Russia, 195251

    Saurav Dixit

  7. Division of Research & Innovation, Uttaranchal University, Dehradun, 248007, India

    Saurav Dixit

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  1. Mukesh Kumar
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Correspondence to Mukesh Kumar, Chandra Mohan or Ravindra Singh.

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Kumar, M., Mohan, C., Kumar, S. et al. Coordination behavior of Schiff base copper complexes and structural characterization. MRS Advances 7, 939–943 (2022). https://doi.org/10.1557/s43580-022-00348-6

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