Abstract
In the title compound, C25H26N2OS, the diethyl-substituted benzene ring forms dihedral angles of 67.38 (9) and 55.32 (9)° with the terminal benzene rings. The molecule adopts a trans–cis conformation with respect to the orientations of the diphenylmethane and 1,3-diethylbenzene groups with respect to the S atom across the C—N bonds. This conformation is stabilized by an intramolecular N—H⋯O hydrogen bond, which generates an S(6) ring. In the crystal, pairs of N—H⋯S hydrogen bonds link the molecules into inversion dimers, forming R 2 2(6) loops. The dimer linkage is reinforced by a pair of C—H⋯S hydrogen bonds, which generate R 2 2(8) loops. Weak C—H⋯π and π–π [centroid–centroid seperation = 3.8821 (10) Å] interactions also occur in the crystal structure.
Highlights
Cis conformation with respect to the orientations of the diphenylmethane and 1,3-diethylbenzene groups with respect to the S atom across the C—N bonds. This conformation is stabilized by an intramolecular N—H O hydrogen bond, which generates an S(6) ring
The dimer linkage is reinforced by a pair of C—H S hydrogen bonds, which generate R22(8) loops
Cg1 is the centroid of the C1–C6 benzene ring
Summary
H atoms treated by a mixture of independent and constrained refinement max = 0.27 e Å3. C25H26N2OS, the diethyl-substituted benzene ring forms dihedral angles of 67.38 (9) and 55.32 (9). Cis conformation with respect to the orientations of the diphenylmethane and 1,3-diethylbenzene groups with respect to the S atom across the C—N bonds. This conformation is stabilized by an intramolecular N—H O hydrogen bond, which generates an S(6) ring. Pairs of N—H S hydrogen bonds link the molecules into inversion dimers, forming R22(6) loops. The dimer linkage is reinforced by a pair of C—H S hydrogen bonds, which generate R22(8) loops. Cg1 is the centroid of the C1–C6 benzene ring. Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009)
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