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Crystal structure and Hirshfeld analysis of 2-[bis-(1-methyl-1H-indol-3-yl)meth-yl]benzoic acid.

ABSTRACT: In the title compound, C₂₆H₂₂N₂O₂, the dihedral angles between the 1-methyl-indole units (A and B) and the benzoic acid moiety (C) are A/B = 64.87 (7), A/C = 80.92 (8) and B/C = 75.05 (8)°. An intra-molecular C-H⋯O inter-action arising from the methyne group helps to establish the conformation. In the crystal, R ₂ ²(8) carb-oxy-lic acid inversion dimers linked by pairs of O-H⋯O hydrogen bonds are observed. A Hirshfeld surface analysis shows that the greatest contributions are from H⋯H, C⋯H/H⋯C and O⋯H/H⋯O contacts (percentage values = 54.6%, 29.6% and 10.1%, respectively).

SUBMITTER: Sapari S

PROVIDER: S-EPMC6218917 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure and Hirshfeld surface analysis of 4-{[(anthracen-9-yl)meth-yl]amino}-benzoic acid di-methyl-formamide monosolvate.

Project description:The title compound, C22H17NO2·C3H7NO, was synthesized by condensation of an aromatic aldehyde with a secondary amine and subsequent reduction. It was crystallized from a di-methyl-formamide solution as a monosolvate, C22H17NO2·C3H7NO. The aromatic mol-ecule is non-planar with a dihedral angle between the mean planes of the aniline moiety and the methyl anthracene moiety of 81.36?(8)°. The torsion angle of the Car-yl-CH2-NH-Car-yl backbone is 175.9?(2)°. The crystal structure exhibits a three-dimensional supra-molecular network, resulting from hydrogen-bonding inter-actions between the carb-oxy-lic OH group and the solvent O atom as well as between the amine functionality and the O atom of the carb-oxy-lic group and additional C-H?? inter-actions. Hirshfeld surface analysis was performed to qu-antify the inter-molecular inter-actions.

| S-EPMC7199275 | biostudies-literature

Crystal structure and Hirshfeld surface analysis of 4-{[(anthracen-9-yl)meth-yl]amino}-benzoic acid.

Project description:In the mol-ecule of the title anthracene derivative, C22H17NO2, the benzene ring is inclined to the mean plane of the anthracene ring system (r.m.s. deviation = 0.024 Å) by 75.21 (9)°. In the crystal, mol-ecules are linked by pairs of O-H⋯O hydrogen bonds, forming classical carb-oxy-lic acid inversion dimers with an R 2 2(8) ring motif. The dimers are linked by C-H⋯π inter-actions, forming a supra-molecular framework.

| S-EPMC6944086 | biostudies-literature

2,6-Bis(trifluoro-meth-yl)benzoic acid.

Project description:The title compound, C(9)H(4)F(6)O(2), contains two mol-ecules in the asymmetric unit, one of which exhibits disorder in both of its trifluoro-methyl groups. The dihedral angles between the benzene ring and the carboxyl group are 71.5?(2) and 99.3?(2)° in the two independent mol-ecules. The compound exhibits a catemeric structure resulting from inter-molecular O-H?O hydrogen bonding between the carboxyl groups.

| S-EPMC2969748 | biostudies-literature

A 2:1 co-crystal of 2-methyl-benzoic acid and N,N'-bis-(pyridin-4-ylmeth-yl)ethanedi-amide: crystal structure and Hirshfeld surface analysis.

Project description:The asymmetric unit of the title 2:1 co-crystal, 2C8H8O2·C14H14N4O2, comprises an acid mol-ecule in a general position and half a di-amide mol-ecule, the latter being located about a centre of inversion. In the acid, the carb-oxy-lic acid group is twisted out of the plane of the benzene ring to which it is attached [dihedral angle = 28.51 (8)°] and the carbonyl O atom and methyl group lie approximately to the same side of the mol-ecule [hy-droxy-O-C-C-C(H) torsion angle = -27.92 (17)°]. In the di-amide, the central C4N2O2 core is almost planar (r.m.s. deviation = 0.031 Å), and the pyridyl rings are perpendicular, lying to either side of the central plane [central residue/pyridyl dihedral angle = 88.60 (5)°]. In the mol-ecular packing, three-mol-ecule aggregates are formed via hy-droxy-O-H⋯N(pyrid-yl) hydrogen bonds. These are connected into a supra-molecular layer parallel to (12[Formula: see text]) via amide-N-H⋯O(carbon-yl) hydrogen bonds, as well as methyl-ene-C-H⋯O(amide) inter-actions. Significant π-π inter-actions occur between benzene/benzene, pyrid-yl/benzene and pyrid-yl/pyridyl rings within and between layers to consolidate the three-dimensional packing.

| S-EPMC4778829 | biostudies-literature

Crystal structure of 4-(tri-methyl-germ-yl)benzoic acid.

Project description:The title compound, [Ge(CH3)3(C7H5O2)], was obtained as a by-product in the synthesis of the corresponding aldehyde. Two slightly different mol-ecules are present in the asymmetric unit. In both mol-ecules, the geometry of the aromatic ring plane is distorted by varying intensities. Additionally, the Ge atoms deviate from the mean aromatic ring planes. Whereas the distance of the Ge atom to the ring plane is only 0.101?(4)?Å in the first mol-ecule, this distance is increased to 0.210?(4)?Å in the second. In the crystal structure, centrosymmetric O-H?O hydrogen-bonded dimers are formed. The title compound is isostructural with the Si analogue [Haberecht et al. (2004 ?). Acta Cryst. E60, o329-0330].

| S-EPMC4459299 | biostudies-literature

Crystal structure, Hirshfeld surface analysis and computational study of the 1:2 co-crystal formed between N,N'-bis-[(pyridin-4-yl)meth-yl]ethanedi-amide and 3-chloro-benzoic acid.

Project description:The asymmetric unit of the title 1:2 co-crystal, C14H14N4O2·2C7H5ClO2, comprises a half-mol-ecule of oxalamide (4 LH2), being located about a centre of inversion, and a mol-ecule of3-chloro-benzoic acid (3-ClBA) in a general position. From symmetry, the 4 LH2 mol-ecule has a (+)anti-periplanar conformation with the 4-pyridyl residues lying to either side of the central, planar C2N2O2 chromophore with the dihedral angle between the core and pyridyl ring being 74.69?(11)°; intra-molecular amide-N-H?O(amide) hydrogen bonds are noted. The 3-ClBA mol-ecule exhibits a small twist as seen in the C6/CO2 dihedral angle of 8.731?(12)°. In the mol-ecular packing, three-mol-ecule aggregates are formed via carb-oxy-lic acid-O-H?N(pyrid-yl) hydrogen bonding. These are connected into a supra-molecular tape along [111] through amide-N-H?O(carbon-yl) hydrogen bonding. Additional points of contact between mol-ecules include pyridyl and benzoic acid-C-H?O(amide), methyl-ene-C-H?O(carbon-yl) and C-Cl??(pyrid-yl) inter-actions so a three-dimensional architecture results. The contributions to the calculated Hirshfeld surface are dominated by H?H (28.5%), H?O/O?H (23.2%), H?C/C?H (23.3%), H?Cl/Cl?H (10.0%) and C?Cl/C?Cl (6.2%) contacts. Computational chemistry confirms the C-Cl?? inter-action is weak, and the importance of both electrostatic and dispersion terms in sustaining the mol-ecular packing despite the strong electrostatic term provided by the carb-oxy-lic acid-O-H?N(pyrid-yl) hydrogen bonds.

| S-EPMC7274012 | biostudies-literature

2,2'-(Disulfanedi-yl)di-benzoic acid N,N-di-methyl-formamide monosolvate: crystal structure, Hirshfeld surface analysis and computational study.

Project description:The title 1:1 solvate, C14H10O4S2·C3H7NO, features a twisted mol-ecule of 2,2'-di-thiodi-benzoic acid (DTBA), with the central C-S-S-C torsion angle being -88.57?(6)°, and a mol-ecule of di-methyl-formamide (DMF). The carb-oxy-lic acid groups are, respectively, close to co-planar and twisted with respect to the benzene rings to which they are connected as seen in the CO2/C6 torsion angles of 1.03?(19) and 7.4?(2)°. Intra-molecular, hypervalent S?O inter-actions are noted [S?O = 2.6140?(9) and 2.6827?(9)?Å]. In the crystal, four-mol-ecule aggregates are formed via DTBA-O-H?O(DMF) and DTBA-O-H?O(DTBA) hydrogen bonding, the latter via an eight-membered {?OHCO}2 homosynthon. These are linked into supra-molecular layers parallel to (011) via benzene-C-H?O(DTBA) and DTBA-C=O??(benzene) inter-actions, with the connections between these, giving rise to a three-dimensional architecture, being of the type benzene-C-H??(benzene). An analysis of the calculated Hirshfeld surfaces indicates, in addition to the aforementioned inter-molecular contacts, the presence of stabilizing inter-actions between a benzene ring and a quasi-?-system defined by O-H?O hydrogen bonds between a DTBA dimer, i.e. the eight-membered {?OCOH}2 ring system, and between a benzene ring and a quasi-?(OCOH?OCH) system arising from the DTBA-O-H?O(DMF) hydrogen bond. The inter-centroid separations are 3.65 and 3.49?Å, respectively.

| S-EPMC7336788 | biostudies-literature

3,5-Bis[(pyridin-4-yl)meth-oxy]benzoic acid.

Project description:Single crystals of the title compound, C19H16N2O4, were obtained under hydro-thermal conditions by an unintended recrystallization of the employed microcrystalline starting material. The [(pyridin-4-yl)meth-oxy]benzoic acid unit is nearly planar, with a maximum deviation from the least-squares plane of 0.194?(2)?Å. This plane is inclined by 35.82?(6)° to that defined by the second (pyridin-4-yl)meth-oxy group [in which the largest deviation from the least-squares plane is 0.013?(2)?Å]. In the crystal, mol-ecules are linked by O-H?N hydrogen bonds involving the acid hy-droxy group and a pyridine N atom into chains parallel to [-201].

| S-EPMC3588300 | biostudies-literature

The crystal structure, Hirshfeld surface analysis and energy frameworks of 2-[2-(meth-oxy-carbon-yl)-3,6-bis-(meth-oxy-meth-oxy)phen-yl]acetic acid.

Project description:In the title compound, C14H18O8, (I), the meth-oxy-carbonyl [-C(=O)OCH3] and the acetic acid [-CH2C(=O)OH] groups are inclined to the benzene ring by 79.24?(11) and 76.71?(13)°, respectively, and are normal to each other with a dihedral angle of 90.00?(13)°. In the crystal, mol-ecules are linked by a pair of O-H?O hydrogen bonds forming the familiar acetic acid inversion dimer. The dimers are linked by two C-H?O hydrogen bonds and an offset ?-? inter-action [inter-centroid distance = 3.6405?(14)?Å], forming layers lying parallel to the (10) plane. The layers are linked by a third C-H?O hydrogen bond and a C-H?? inter-action to form a supra-molecular framework.

| S-EPMC7336770 | biostudies-literature

2-Methyl-sulfonyl-4-(trifluoro-meth-yl)benzoic acid.

Project description:In the title mol-ecule, C(9)H(7)F(3)O(4)S, the S and the methyl C atoms of the methyl-sulfonyl group deviate from the benzene ring plane by 0.185?(2) and -1.394?(3)?Å, respectively. In the crystal, O-H?O hydrogen bonds link the mol-ecules into chains along [201]. Weak C-H?O inter-actions further link these chains into layers parallel to the ac plane.

| S-EPMC3379423 | biostudies-literature

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