Journal of Chemical Crystallography p. 25 - 28 (2010)
Update date:2022-08-11
Topics:
Jasinski, Jerry P.
Butcher, Ray J.
Swamy
Narayana
Sarojini
Yathirajan
The title compound, C9H10O2S, (I), crystallizes in the triclinic space group, P - 1, with unit cell parameters a = 6.2249(3), b = 7.3733(5), c = 19.5708(12), A, α = 86.746(5)°, β = 88.682(5)°, γ = 86.988(5)°, Z = 4. The molecule consists of a methyl sulfanyl group bonded to benzyl acetic acid at the 4 position crystallizing with two molecules in the asymmetric unit. The carboxylic acid group from the acetic acid moiety in these two molecules forms a classic O-H???O hydrogen bonded dimer with O???O distances of 2.673(2) and 2.646(2) A, in a R22 (8) graph-set motif which link the molecules into pairs around inversion centers in the unit cell. The dihedral angles between the mean planes of the R2 2 (8) graph-set motif with the mean planes of the two nearby benzyl groups within the same dimer in the unit cell are 64.1(6)° and 71.3(4)°, respectively. Within the same dimer the dihedral angle between the two benzyl groups is 45.2(1)°. The structure is supported by a weak intermolecular C-H???Cg π-ring interaction and gives support to molecular packing stability in the unit cell. Comparison to a MOPAC AM1 computational calculation provides support to these observations.
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