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Structural aspects of some organoselenium compounds

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Abstract

The crystal structures of four organoselenium compounds, viz. bis(2-formylphenyl)diselenide (5), bis(2-methylnaphthyl)diselenide (6), organoselenenyl sulfide (7), and spiroselenurane (8) are described. Crystal data for 5: space group Pca21, crystal system orthorhombic, a=7.9969(4) Å, b=20.8794(12) Å, c=15.8307(13) Å, Z=8, R=0.0292. Owing to the presence of a strong Se···O interaction in compound 5 the geometry around the selenium atom may be considered as T-shaped. Crystal data for 6: space group Pna21, crystal system orthorhombic, a=18.2253(12) Å, b=13.0714(8) Å, c=7.7355(5) Å, Z=4, R=0.0570. The molecule has a cisoid conformation. Crystal data for 7: space group Pbcn, crystal system orthorhombic, a=22.2144(13) Å, b=8.0255(4) Å, c=15.4496(9) Å, Z=8, R=0.0292. Due to intramolecular Se···N interaction in 7 the geometry around selenium is T- shaped. Crystal data for 8: space group P21/c, crystal system monoclinic, a=7.4585(5) Å, b=19.5634(13) Å, c=8.0428(5) Å, β=97.1320(10)°, Z=4, R=0.0254. The O−Se−O angle is 172.86(6)°.

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Acknowledgements

This work was supported by the Department of Science (DST) and Technology, New Delhi and Council of Scientific and Industrial Research (CSIR), Government of India, New Delhi.

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Authors and Affiliations

  1. Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India

    Sangit Kumar, Snigdha Panda & Harkesh B. Singh

  2. Fachbereich Chemie, Universität Kaiserslautern, Postfach 3049, Kaiserslautern, 67653, Germany

    Gotthelf Wolmershäuser

  3. Department of Chemistry, Howard University, Washington, DC, 20059, USA

    Ray J. Butcher

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  1. Sangit Kumar
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  2. Snigdha Panda
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  3. Harkesh B. Singh
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  4. Gotthelf Wolmershäuser
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  5. Ray J. Butcher
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Correspondence to Harkesh B. Singh.

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Kumar, S., Panda, S., Singh, H.B. et al. Structural aspects of some organoselenium compounds. Struct Chem 18, 127–132 (2007). https://doi.org/10.1007/s11224-006-9082-5

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