Abstract
In the title compound, C18H14O6S, the coumarin ring system is nearly planar, with a maximum out-of-plane deviation of 0.032 (2) Å. The dihedral angle between the benzene ring and the coumarin ring system is 32.41 (8)°. The crystal packing is stabilized by intermolecular C—H⋯O interactions, generating C(8), C(10) and C(11) chains and an R 2 2(10) ring. The formyl group is disordered over two sets of sites, with occupancies of 0.548 (5) and 0.452 (5).
Highlights
In the title compound, C18H14O6S, the coumarin ring system is nearly planar, with a maximum out-of-plane deviation of
The crystal packing is stabilized by intermolecular C—H O interactions, generating C(8), C(10) and C(11) chains and an R22(10) ring
The formyl group is disordered over two sets of sites, with occupancies of 0.548 (5) and 0.452 (5)
Summary
Bapsetd a School of Display and Chemical Engineering, Yeungnam University, Gyeongsan, Gyeoungbuk 712-749, Republic of Korea, bDepartment of Physics, Dr M.G.R. Educational and Research Institute University, Periyar E.V.R. High Road, Maduravoyal, Chennai 600 095, India, cDepartment of Chemistry, Karnatak University’s. Karnatak Science College, Dharwad 580 001, Karnataka, India, and dDepartment of Chemistry, B.K. College, Belgaum 590 001, Karnataka, India
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