“…In the title compound, 2C(4)H(7)N(2) (+)·C(4)H(4)O(4) (2−)·C(4)H(6)O(4), the asymmetric unit consists of two 4-methyl­imidazolium cations, one succinate dianion and one netrual succinic acid mol­ecule and within the latter components, the C—O, C=O and C O bonds are clearly evidenced from their relative distances. …”
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“…The Cu(I) atom has a distorted tetra­hedral coordination; the most important geometrical parameters of the mol­ecule are: Cu—P = 2.2377 (10) and 2.2335 (15) Å, Cu—O = 2.084 (2) and 2.082 (2) Å, O—Cu—O = 77.72 (10)°, P—Cu—P = 128.82 (4)° and O—C—C—O = −2.1 (5)°.…”
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“…The eth­oxy group makes a C—O—C—C torsion angle of −7.20 (16)° with the benzene ring. …”
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“…In both mol­ecules, the hydroxyl groups of the diol fragments are cis oriented, the O—C—C—O torsion angles being 60.76 (12) and −55.86 (11)°. …”
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“…In the crystal structure of the title compound, [VO(C(7)H(6)ClN(2)O)(C(10)H(7)ClN(2)O(3))], the V(V) atom is N,O-chelated by the chloro­benzoyl­hydrazidate anion and O,N,O′-chelated by the (chloro­benzoyl­hydrazono)propionate dianion. …”
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“…In the crystal, short inter­molecular O⋯C contacts of 2.835 (4) and 2.868 (4) Å between the carbonyl groups indicate the existence of electrostatic inter­actions, which link the mol­ecules into corrugated sheets parallel to the ab plane.…”
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“…The crystal packing exhibits electrostatic inter­actions between the 5-fluoro­pyrimidin-2(1H)-one fragments of neighbouring mol­ecules as indicated by short O⋯C [2.875 (3) and 2.961 (3) Å] and F⋯C [2.886 (3) Å] contacts.…”
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“…In the title centrosymmetric mononuclear Zr(IV) compound, [ZrCl(4){P(O)(C(6)H(5))(2)P(C(6)H(5))(2)}(2)]·C(6)H(6), the central Zr(IV) ion is coordinated by two O atoms from two symmetry-related (diphenyl­phosphino)diphenyl­phosphine ligands and four Cl atoms in a distorted octahedral geometry with the four Cl atoms in the equatorial positions. …”
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“…In the enanti­omerically pure title compound, C(11)H(19)N(3)O(3)S, the chain C—N—C(O)—O—C—C (from the asymmetric carbon to a methyl of the tert-butyl group) displays an extended conformation. …”
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“…The crystal packing is controlled by N—H⋯O, C—H⋯O and O—H⋯O intra- and inter­molecular hydrogen bonds. …”
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“…In the crystal, mol­ecules are connected by inter­molecular C—H⋯O, C—H⋯Br and O—H⋯Br inter­actions.…”
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“…In the title compound, C(14)H(11)Cl(2)NO, the C—N—C(=O)—C amide unit is almost planar (r.m.s. deviation = 0.0317 Å) and subtends dihedral angles of 65.93 (6) and 29.45 (7)°, respectively, to the dichloro­benzene and tolyl rings. …”
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“…In the title compound, [Cu(2)(C(4)H(4)O(4))(C(10)H(8)N(2))(4)]C(4)H(4)O(4)·12H(2)O, C(10)H(8)N(2)), the centrosymmetic dinuclear cations, succinate anions and water mol­ecules are hydrogen bonded into layers parallel to (010). …”
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“…In the title molecular salt, C(11)H(14)N(3)O(+)·C(14)H(9)O(4)S(2) (−), one of the carboxylic groups of the 2,2′-dithio­dibenzoic acid is deprotonated and the exocyclic amino N atom of the 4-amino­anti­pyrine is protonated. …”
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“…The title mol­ecule is a phenol–imine tautomer, as evidenced by C—O, C—N and C—C bond lengths. In the crystal, mol­ecules are linked by inter­molecular C—H⋯O hydrogen bonds that generate C(8) chains.…”
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“…The structure of the title compound, [Ru(C(10)H(15))(C(13)H(10)O)](C(24)H(20)B), consists of discrete [Cp*Ru(II)benzophenone] cations and tetra­phenyl­borate anions (Cp* = penta­methyl­cyclo­penta­dien­yl). …”
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“…The meth­oxy group is coplanar with the attached benzene ring [C—O—C—C angle = 2.9 (3)°]. In the crystal structure, mol­ecules are linked into chains along the a axis by a weak C—H⋯O(enone) inter­action. …”
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“…The arrangement of carbonyl groups around the ring is of two groups ‘up’ and one ‘down’, and the propeller-style arrangement of substituent groups is spoiled with the plane of the ‘down’ group twisted in the opposite direction; all the C(ring)—O—C—CMe(3 )conformations are trans. In the crystal, aromatic π–π stacking occurs [centroid–centroid separation = 3.320 (1) Å]; the other main inter­molecular inter­action is a C—H⋯π-ring contact on the opposing side from the overlapped ring pairing; there are no short C—H⋯O contacts.…”
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“…In the title compound, [Cu(C(19)H(20)N(2)O(4))(H(2)O)]·C(2)H(3)N, the Cu(II) ion is coordinated by two N and two O atoms from the tetra­dentate Schiff base ligand, which contains a propyl­ene fragment disordered over two conformations in a 0.64 (1):0.36 (1) ratio, and one O atom from the water mol­ecule in a distorted square-pyramidal geometry. …”
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“…The mol­ecule of the title compound, C(13)H(17)N(3)O(4), exists as a zwitterion, with the H atom of the phenol group being transferred to the imine N atom. The C=O, C(Ar)—C(Ar) and C—N bond lengths are in agreement with the oxocyclo­hexa­dienide–iminium zwitterionic form. …”
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