Isopropyl 4-nitrobenzoate
نویسندگان
چکیده
In the mol-ecule of the title compound, C(10)H(11)NO(4), the nitro group is approximately coplanar with the benzene ring [dihedral angle = 4.57 (10)°], while the carboxyl-ate group is slightly twisted, making an angle of 12.16 (8)°. In the crystal, weak inter-molecular C-H⋯O hydrogen bonding and π-π stacking inter-actions [centroid-centroid distances = 3.670 (2) and 3.665 (2) Å] are observed.
منابع مشابه
Bis[1-(isopropylideneamino)guanidinium] bis(3-nitrobenzoate) monohydrate
The asymmetric unit of the title salt hydrate, 2C(4)H(11)N(4) (+)·2C(7)H(4)NO(4) (-)·H(2)O, comprises two independent 1-(isopropyl-ideneamino)guanidinium cations, two independent 3-nitro-benzoate anions and a water mol-ecule of crystallization. There are minimal geometric differences between the two planar [maximum deviations 0.061 (2) and 0.088 (2) Å] cations, and between the two almost planar...
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In the title compound, C(9)H(8)FNO(4), C-H⋯O inter-molecular inter-actions form dimers with R(2) (2)(10) motifs. These dimers are arranged into chains parallel to the b axis and the chains are stacked down the c axis.
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The title salt, C(9)H(18)NO(+)·C(7)H(3)ClNO(4) (-), was obtained as an unexpected product of the reaction of 4-chloro-3-nitro-benzoyl isothio-cyanate with pyrrolidine. The six-membered ring of the 4-oxopiperidinium cation adopts a chair conformation. In the crystal structure, two cations and three anions are linked together by inter-molecular N-H⋯O and C-H⋯O hydrogen bonds and arranged diagonal...
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The asymmetric unit of the title co-crystal, C(8)H(12)N(+)·C(7)H(4)NO(4) (-)·C(7)H(5)NO(4), contains two cations, two anions and two neutral 4-nitro-benzoic acid mol-ecules. In the crystal, O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds connect the ions and mol-ecules, forming a three-dimensional network.
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The title compound, CH(6)N(3) (+)·C(7)H(4)NO(4) (-), an anhydrous guanidinium salt, shows a N-H⋯O hydrogen-bond network in which the guanidinium cation is involved in three cyclic R(2) (1)(6) hydrogen-bonding associations with separate carboxyl-ate O-atom acceptors. Further peripheral associations include a cyclic R(1) (2)(4) cation-anion inter-action, forming inter-linked undulating sheets in ...
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