Bis{2,2′-[ethane-1,2-diylbis(iminomethylene)]diphenolato-κ2 O,N,N′,O′}cerium(IV) chloroform solvate

2007 ◽  
Vol 63 (11) ◽  
pp. m2777-m2778 ◽  
Author(s):  
Shu-Ping Yang ◽  
Li-Jun Han ◽  
Da-Qi Wang ◽  
Bo Wang
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Title Complex ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Dimensional Network ◽  
Diamine Ligands ◽  
Coordinate Geometry

In the title compound, [Ce(C16H18N2O2)2]·CHCl3, the CeIV atom has an eight-coordinate geometry involving two tetradentate N,N′-(2-oxidobenzyl)ethane-1,2-diamine ligands. The asymmetric unit contains one molecule of the title complex and one chloroform molecule, linked by C—H...O and N—H...Cl hydrogen bonds. These neighbouring molecules are connected by two C—H...π interactions, and by N—H...Cl and C—H...Cl interactions, resulting in a three-dimensional network.

scholarly journals 2,5-Dimethylanilinium 4-hydroxybenzoate–2,5-dimethylaniline–4-hydroxybenzoic acid (1/1/1)

IUCrData ◽  
2016 ◽  
Vol 1 (10) ◽  
Author(s):  
A. Mani ◽  
K. Rajesh ◽  
P. Praveen Kumar ◽  
G. Chakkaravarthi
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Hydroxybenzoic Acid ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

The asymmetric unit of the title compound, C8H12N+·C7H5O3 −·C8H11N·C7H6O3, contains a 2,5-dimethylanilinium cation, 4-hydroxybenzoate anion and neutral 2,5-dimethylaniline and 4-hydroxybenzoic acid molecules. The components are connected by N—H...O, O—H...O and N—H...N hydrogen bonds, which generate R 2 2(8), R 4 4(20) and R 4 4(24) loops, as part of a three-dimensional network. The crystal structure also features weak C—H...π interactions.

scholarly journals 3-(9H-Carbazol-9-yl)propanoic acid

IUCrData ◽  
2016 ◽  
Vol 1 (11) ◽  
Author(s):  
Manpreet Kaur ◽  
Shaaban K. Mohamed ◽  
Mehmet Akkurt ◽  
Jerry P. Jasinski ◽  
Talaat I. El-Emary ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Propanoic Acid ◽  
Asymmetric Unit ◽  
Ring Systems ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

The title compound, C15H13NO2, crystallizes with two molecules (AandB) in the asymmetric unit. The carbazole ring systems of both molecules are close to planar (r.m.s deviations = 0.035 and 0.053 Å). In the crystal,A+AandB+Binversion dimers linked by pairs of O—H...O hydrogen bonds generateR22(8) loops and weak C—H...π interactions link the dimers into a three-dimensional network.

scholarly journals Crystal structure ofN,N′-bis(4-methylphenyl)dithiooxamide

2015 ◽  
Vol 71 (2) ◽  
pp. o67-o67 ◽  
Author(s):  
Antonino Giannetto ◽  
Santo Lanza ◽  
Giuseppe Bruno ◽  
Francesco Nicoló ◽  
Hadi Amiri Rudbari
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Electronic Delocalization ◽  
Dimensional Network

Two half molecules of the title compound, C16H16N2S2, are present in the asymmetric unit and both molecules are completed by crystallographic inversion centers at the mid-points of the central C—C bonds: the lengths of these bonds [1.538 (5) and 1.533 (5) Å] indicate negligible electronic delocalization. Thetrans-dithiooxamide fragment in each molecule is characterized by a pair of intramolecular N—H...S hydrogen bonds. In the crystal, molecules are linked by weak C—H..π interactions, generating a three-dimensional network.

scholarly journals 4,4′-Bipyridine–terephthalic acid (1/1)

2012 ◽  
Vol 68 (6) ◽  
pp. o1711-o1711 ◽  
Author(s):  
Vandavasi Koteswara Rao ◽  
Matthias Zeller ◽  
Sherri R. Lovelace-Cameron
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Terephthalic Acid ◽  
Three Dimensional ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Supramolecular Layer

The asymmetric unit of the title compound, C10H8N2·C8H6O4, consists of one half-molecule of each moiety, 4,4′-bipyridine (bpy) and terephthalic acid (bdc), both being located on crystallographic inversion centers. They are linked together via strong intermolecular O—H...N hydrogen bonds, forming infinite chains propagating along [1-21]. The chains are further connected through C—H...O interactions giving sheets in (012). The sheets are linked via π–π interactions between the bpy rings and the bdc–bpy rings [centroid–centroid distances = 3.690 (2) and 3.869 (2) Å], resulting in the formation of a three-dimensional supramolecular layer-like structure.

scholarly journals 5-(4-Fluorophenyl)-2-(4-methylphenyl)-3-methylsulfanyl-1-benzofuran

2014 ◽  
Vol 70 (3) ◽  
pp. o258-o258
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Title Compound ◽  
Three Dimensional ◽  
Dihedral Angles ◽  
Asymmetric Unit ◽  
Ring Systems ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
Independent Molecules

The asymmetric unit of the title compound, C22H17FOS, contains two independent molecules (AandB). The dihedral angles between the benzofuran ring systems [r.m.s. deviations of 0.026 (1), 0.004 (1) and 0.003 (1) Å, respectively, for moleculeA, and 0.002 (1), 0.004 (1) and 0.005 (1) Å forB] and the pendant 4-fluorophenyl and 4-methylphenyl rings are 39.48 (4) and 30.86 (5)°, respectively, for moleculeA, and 33.34 (6) and 20.99 (8)° forB. In the crystal, molecules are linked by weak C—H...F and C—H...π interactions, resulting in a three-dimensional network.

scholarly journals (3aR*,8bR*)-3a,8b-Dihydroxy-1-(4-methylphenyl)-2-methylsulfanyl-3-nitro-1,8b-dihydroindeno[1,2-b]pyrrol-4(3aH)-one

2014 ◽  
Vol 70 (3) ◽  
pp. o279-o280
Author(s):  
R. A. Nagalakshmi ◽  
J. Suresh ◽  
R. Ranjith Kumar ◽  
V. Jeyachandran ◽  
P. L. Nilantha Lakshman
Keyword(s):  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dihedral Angles ◽  
Asymmetric Unit ◽  
Compound C ◽  
Dimensional Network ◽  
Independent Molecules ◽  
Hydroxy Groups

The asymmetric unit of the title compound, C19H16N2O5S, contains four independent molecules (A,B,CandD), with two molecules (BandD) displaying disorder in their methylsulfanyl groups [occupancy ratios of 0.797 (11):0.203 (11) and 0.85 (2):0.15 (2)]. The nitro groups are twisted slightly out of the planes of the 2-pyrroline rings to which they are bonded with dihedral angles of 10.17 (1), 8.01 (1), 9.44 (1) and 8.87 (1)° in moleculesA,B,CandD, respectively. The 2-pyrroline rings are almost orthogonal to the attached tolyl rings, forming dihedral angles of 73.44 (1), 81.21 (1), 88.18 (8) and 73.94 (1)° for moleculesA,B,CandD, respectively. A weak intramolecular O—H...O interaction is observed in moleculesBandC. The two hydroxy groups in each molecule are involved in intermolecular O—H...O hydrogen bonding. In the crystal, molecules are connectedviaO—H...O and C—H...O hydrogen bonds, forming a complex three-dimensional network.

scholarly journals Crystal structure ofN-(quinolin-6-yl)hydroxylamine

2014 ◽  
Vol 70 (11) ◽  
pp. 322-324 ◽  
Author(s):  
Anuruddha Rajapakse ◽  
Roman Hillebrand ◽  
Sarah M. Lewis ◽  
Zachary D. Parsons ◽  
Charles L. Barnes ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules ◽  
A Minor

The title compound, C9H8N2O, crystallized with four independent molecules in the asymmetric unit. The four molecules are linkedviaone O—H...N and two N—H...N hydrogen bonds, forming a tetramer-like unit. In the crystal, molecules are further linked by O—H...N and N—H...O hydrogen bonds forming layers parallel to (001). These layers are linkedviaC—H...O hydrogen bonds and a number of weak C—H...π interactions, forming a three-dimensional structure. The crystal was refined as a non-merohedral twin with a minor twin component of 0.319.

scholarly journals N-(6-Chloro-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl)benzenesulfonamide

2014 ◽  
Vol 70 (4) ◽  
pp. o445-o445
Author(s):  
Venkatesh B. Devaru ◽  
K. S. Katagi ◽  
O. Kotresh ◽  
H. K. Arunkashi ◽  
H. C. Devarajegowda
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Phenyl Ring ◽  
Three Dimensional ◽  
Dihedral Angles ◽  
Stacking Interactions ◽  
Asymmetric Unit ◽  
Compound C ◽  
Dimensional Network ◽  
Centroid Distance

The asymmetric unit of the title compound, C13H11ClN4O2S, contains two molecules (AandB), in which the dihedral angles between the 1H-imidazo[4,5-c]pyridine system and terminal phenyl ring are 80.83 (10) and 62.34 (1)°. In the crystal,A–Bdimers are linked by pairs of N—H...N hydrogen bonds, which generateR22(10) loops. The dimers are linked by C—H...O and C—H...Cl interactions, generating a three-dimensional network. Aromatic π–π stacking interactions [shortest centroid–centroid distance = 3.5211 (12) Å] are also observed.

scholarly journals 3-Aminobenzoic acid–4,4′-bipyridine (2/3)

2012 ◽  
Vol 68 (8) ◽  
pp. o2569-o2569 ◽  
Author(s):  
Pornsuda Lhengwan ◽  
Supakit Achiwawanich ◽  
Tanwawan Duangthongyou
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Supramolecular Structure ◽  
Three Dimensional ◽  
Aminobenzoic Acid ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
The Third

The asymmetric unit of the title compound, 3C10H8N2·2C7H7NO2, consists of three molecules of 4,4′-bipyridine (bpy) and two molecules of 3-aminobenzoic acid (bza). Two molecules of bza and two molecules of bpy are connectedviaO—H...N, N—H...N and N—H...O hydrogen bonds, forming forming infinite double-stranded zigzag chains along thecaxis. The third molecule of bpy is linked to the chain by weak C—H...O interactions. Adjacent chains are linked via π–π interactions [centroid–centroid distances = 3.759 (3)–3.928 (3) Å] involving the pyridine rings of bpy molecules, resulting in a sheet-like structure parallel to (100). These sheets are stackedviaC—H...π interactions, resulting finally in the formation of a three-dimensional supramolecular structure.

scholarly journals 2,6-Bis(1H-benzimidazol-2-yl)pyridine butyric acid monosolvate dihydrate

2012 ◽  
Vol 68 (6) ◽  
pp. o1820-o1820 ◽  
Author(s):  
Songzhu Lin ◽  
Ruokun Jia ◽  
Aimin He
Keyword(s):  
Hydrogen Bonds ◽  
Butyric Acid ◽  
Title Compound ◽  
Crystal Packing ◽  
Three Dimensional ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
Molecular Skeleton

In the title compound, C19H13N5·C4H8O2·2H2O, the molecular skeleton of the 2,6-bis(benzimidazol-2-yl)pyridine (bbip) molecule is essentially planar (r.m.s. deviation = 0.023 Å). An extensive three-dimensional network of intermolecular N—H...O, O—H...O and O—H...N hydrogen bonds consolidates the crystal packing, which also exhibits π–π interactions between the five- and six-membered rings from neighbouring bbip molecules.

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