“…There exist dissimilar dihedral angles within the two mol­ecules, for example the carboxylate and isopropyl groups make dihedral angles of 59.6 (4) and 71.7 (3)° in the two molecules. …”
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“…The prop-2-enamide fragment and the nitro group make dihedral angles of 20.42 (6) and 13.54 (17)°, respectively, with the benzene ring. …”
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“…The aromatic ring makes a dihedral angle of 42.84 (8)° with the carboxyl­ate group and an angle of 8.01 (14)° with the nitro group. …”
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“…In the title compound, C(11)H(17)N(2)O(+)·Cl(−), the dihedral angle between the benzene ring and the basal plane of piperazine ring is 39.20 (8)°. …”
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“…In the title compound, C(11)H(9)NO(3), the dihedral angle between the meth­oxy­benzene and 1H-pyrrole-2,5-dione rings is 75.60 (10)°. …”
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“…In the title compound, [Sn(C(6)H(11))(3)(C(15)H(14)NO(2))], the Sn(IV) atom adopts a distorted tetra­hedral SnOC(3) arrangement. The dihedral angle between the benzene rings in the mefanamic acid mol­ecule is 82.16 (17)° and intra­molecular N—H⋯O and C—H⋯O hydrogen bonds help to establish the conformation. …”
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“…In the title compound, C(15)H(15)NO(2), the dihedral angle between the aromatic rings is 5.86 (6)°, and an intra­molecular N—H⋯O hydrogen bond generates an S(6) motif, which helps to stabilize the enamine–keto tautomer. …”
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“…In the title compound, C(15)H(11)NO(3), the dihedral angle between the meth­oxy­benzene and isoindole ring systems is 70.21 (3)°. …”
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“…In the title compound, C(10)H(9)NO(4), the 2-hy­droxy­anilinic and the 4-oxobut-2-enoic acid groups are almost planar, with r.m.s. deviations of 0.0086 and 0.0262 Å, respectively. The dihedral angle between the two groups is 6.65 (1)°. Intra­molecular N—H⋯O, C—H⋯O and O—H⋯O hydrogen bonds form S(5), S(6) and S(7) ring motifs. …”
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