“…Besides the electrostatic attraction between oppositely charged ions in the crystal packing, intra­molecular C—H⋯O and several inter­molecular C—H⋯O, C—H⋯N and O—H⋯O hydrogen-bonding inter­actions between the cations, anions and water mol­ecules are observed.…”
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“…The tridentate Schiff base ligand of the title complex, [V(C(15)H(12)N(2)O(4))O(C(12)H(8)N(2))]·C(3)H(7)NO, was derived from the condensation of 2-hy­droxy-1-naphthaldehyde and l-asparagine. …”
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“…As both the benzoic acid [O—C—C—C torsion angle = 174.8 (2)°] and 4-pyridine­aldazine (r.m.s. deviation of the 16 non-H atoms = 0.041 Å) mol­ecules are almost planar, the resulting three-component aggregate is essentially planar. …”
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“…The crystal structure consists of zigzag polymeric cationic chains parallel to the c axis and uncoordinated anions linked into a three-dimensional supra­molecular architecture by O—H⋯O, C—H⋯O hydrogen bonds and C—H⋯π inter­actions.…”
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“…These dimers are further linked into two-dimensional arrays parallel to the bc plane via inter­molecular N—H⋯O, C—H⋯F and C—H⋯O hydrogen bonds. The crystal is further stabilized by weak π–π [centroid–centroid distance = 3.6921 (7) Å] and C—H⋯π inter­actions.…”
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“…In the title isonipecotamide salt 2C(6)H(13)N(2)O(+)·C(12)H(8)O(6)S(2) (2−), the asymmetric unit comprises one biphenyl-4,4′-disulfonate dianion which lies across a crystallographic inversion centre and another in a general position [dihedral angle between the two phenyl rings is 37.1 (1)°], together with three isonipecotamide cations. …”
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“…In the title compound, [V(C(7)H(3)NO(4))O(C(10)H(8)N(2))]·C(2)H(5)OH, the V(IV) atom exhibits a distorted octa­hedral coordination environment formed by two pyridyl N atoms of 2,2′-bipyridine (bpy), the vanadyl O atom, and two carboxyl­ate O atoms and one pyridyl N atom of the tridentate pyridine-2,6-dicarboxyl­ate (pydc(2−)) ligand. …”
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“…The O-C(6)H(4)-CH=N–C(6)H(4)-O dianion of the title compound, [Mn(C(13)H(9)NO(2))(C(7)H(5)O(2))(C(2)H(6)OS)], acts as an O,N,O′-chelate to bind to the Mn(III) atom, and the three atoms constitute three points [O—Mn—O = 174.43 (11)°] of an octa­hedron around the metal atom. …”
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“…The title compound, H(3)O(+)·C(6)H(2)N(3)O(7) (−), consists of one picrate anion and one oxonium cation. …”
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“…In the title compound, C(10)H(9)N(3)O(3), there is a small twist between the benzene and triazole rings [dihedral angle = 6.32 (7)°]; the carb­oxy­lic acid residue is almost coplanar with the benzene ring to which it is attached [O—C—C—C torsion angle = 1.49 (19)°]. The main deviation from coplanarity of the non-H atoms is found for the hy­droxy group which is almost perpendicular to the remaining atoms [N—C—C—O torsion angle = −75.46 (16)°]. …”
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“…In the crystal, adjacent mol­ecules are connected via inter­molecular N—H⋯O, C—H⋯F, C—H⋯N and C—H⋯O hydrogen bonds, forming a two-dimensional network parallel to the bc plane. …”
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“…The crystal packing features C—H⋯O, C—H⋯F and C—H⋯π(hy­droxy­benzene) inter­actions.…”
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“…An intra­molecular dipole–dipole inter­action between the sulfamide and carboxyl­ate groups, with O(s)⋯C(c) = 2.800 (1) Å and N(s)⋯O(c) = 2.835 (1) Å, controls the orientation of the methyl­benzoate group and the shape of the mol­ecule. …”
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“…One of the meth­oxy groups in one mol­ecule is twisted away from the phenyl ring [C—O—C—C torsion angle = −103.40 (16)°]. The pyran ring adopts a boat conformation whereas the two fused cyclo­hexane rings adopt envelope conformations in both mol­ecules. …”
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“…The title compound, C(13)H(10)OS(2), exhibits twists between the central C(3)O and ethene residues [O—C—C—C torsion angles = −8.4 (3) and 11.8 (3)°], and between the ethene and adjacent thio­phenyl residues [C—C—C—C torsion angles = −4.2 (3) and 10.5 (3)°]. …”
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“…The main difference between the organic mol­ecules is the dihedral angle between the phenyl ring and the best plane defined by the O—C(1)—C(2)—C(3) atoms (r.m.s deviations = 0.003 and 0.043 Å) of the hexa­pyranosyl rings [47.4 (4) and 86.5 (4)°]. …”
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“…In the title hydrate, C(19)H(25)N(3)O(3)S·H(2)O, the configuration at each chiral centre in the organic mol­ecule is S, with the hy­droxy and carbamate substituents being anti [O—C—C—N torsion angle = −179.3 (3)°]. The thio­pyrimidyl and carbamate residues lie to one side of the pseudo-mirror plane defined by the C(5)S backbone of the mol­ecule; this plane approximately bis­ects the benzene ring at the 1- and 4-C atoms. …”
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“…In the crystal structure, adjacent complex mol­ecules are linked into a three-dimensional network via N—H⋯O, C—H⋯Cl and C—H⋯O hydrogen bonds. The structure includes two water mol­ecules, one of which is disordered over two positions with occupancies of 0.753 (15) and 0.247 (15).…”
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“…The organic mol­ecule in the title dihydrate, C(18)H(19)N(3)O(6)·2H(2)O, adopts a twisted U-shape with the major twists evident about the chiral C atom [the C—N—C—C torsion angle is −88.2 (4) °] and about the oxygen–benzyl bond [C—O—C—C = 74.2 (4) °]. The conformation about the imine bond [1.290 (4) Å] is E and an intra­molecular O—H⋯N hydrogen bond helps to establish the near coplanarity of the hy­droxy­benzene and hydrazine groups. …”
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“…In the title compound, [Mn(C(7)H(4)FO(2))(C(12)H(8)N(2))(2)(H(2)O)](C(7)H(4)FO(2))·3H(2)O, the Mn(II) atom is coordinated by four N atoms from two chelating 1,10-phenanthroline ligands and two O atoms from one monodentate 4-fluoro­benzoate ion and one water mol­ecule, forming a distorted octa­hedral geometry. …”
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