• M B Deshmukh

      Articles written in Bulletin of Materials Science

    • X-ray analysis of 2-aniline benzo(2,3-𝑏) cyclopentane-1,3-dione

      Rajnikant Dinesh Mousmi M B Deshmukh Anshu Sawhney

      More Details Abstract Fulltext PDF

      The molecular and crystal structure of 2-aniline benzo(2,3-𝑏) cyclopentane-1,3-dione has been determined by X-ray crystallographic techniques. This compound crystallizes in the orthorhombic space group 𝑃212121 with unit cell parameters: 𝑎 = 5.467(1), 𝑏 = 10.657(3), 𝑐 = 19.602(6) Å; 𝑉 = 1142.01(5) Å3, 𝑍 = 4. The crystal structure has been resolved up to an 𝑅-factor 0.050 for 1129 reflections. All the three rings in the structure are planar. However, the dihedral angle between the phenyl ring and the moiety comprising of a five-membered and six-membered ring is 92.4°. The oxygen atom O1 acts as a trifurcated acceptor and is involved in the formation of three intermolecular interactions.

    • Synthesis, X-ray structure and N–H…O interactions in 1,3-diphenyl-urea

      Rajnikant Dinesh M B Deshmukh Kamni

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      The synthesis, X-ray structure and role of intermolecular interactions have been studied in case of 1,3-diphenyl-urea, owing to its medicinal importance. The compound crystallizes in orthorhombic crystal system (space group, 𝑃𝑛𝑎21) with unit cell parameters, 𝑎 = 9.118(3), 𝑏 = 10.558(2), 𝑐 = 11.780(3) Å and 𝑍 = 4. The structure has been solved by direct methods and refined to a final 𝑅-value of 0.0316. The oxygen atom of the carbonyl group is responsible for the existence of two N–H…O intermolecular interactions.

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