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C-H...N HYDROGEN BONDING

Crystal structure analysis of [5 (4 meth­­oxy­phen­yl) 2 methyl 2H 1,2,3 triazol 4 yl](thio­phen 2 yl)methanone

Crystal structure analysis of [5 (4 meth­­oxy­phen­yl) 2 methyl 2H 1,2,3 triazol 4 yl](thio­phen 2 yl)methanone

... weak CH N hydrogen-bonding dimeric motifs (Table 1) involving the methyl hydrogen H15C (sp 3 ) of the methoxy group with the triazol nitrogen N3 [C15 N3 = ...thiophene ...

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Crystal structure of a mononuclear copper(II) complex with 2 meth­oxy N,N bis­­(quinolin 2 yl­meth­yl)­ethyl­amine (DQMEA)

Crystal structure of a mononuclear copper(II) complex with 2 meth­oxy N,N bis­­(quinolin 2 yl­meth­yl)­ethyl­amine (DQMEA)

... molecular CH N hydrogen-bonding interaction takes place between a quinolyl hydrogen (H11) and the nitrogen atom of the acetonitrile ligand (N4), which may help stabilize the ...

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N—H⋯O hydrogen bonding in the adduct of N (2 amino­ethyl) 2 hy­droxy­benz­amide with picric acid

N—H⋯O hydrogen bonding in the adduct of N (2 amino­ethyl) 2 hy­droxy­benz­amide with picric acid

... of N-(2-aminioethyl)-2-hydroxybenzamide are interlaced with the benzene rings of picric acid, to form columns along the a,b ...by NH···O interactions to two adjacent nearly perpendicular aromatic ...

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Intermolecular N–H⋯O hydrogen bonding inter­actions in 5 fluoro­cytosinium salicyl­ate

Intermolecular N–H⋯O hydrogen bonding inter­actions in 5 fluoro­cytosinium salicyl­ate

... O2 hydrogen bonds to form a linear hydrogen-bonded supramolecular chain ...O2 hydrogen bond was previously proposed for a single stranded poly(C) nucleotide based on an NMR study (Broido & ...

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Crystal structures of (aceto­nitrile κN)tris­­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)cobalt(II) aceto­nitrile disolvate and tetra­kis­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)nickel(II) methanol penta­solvate

Crystal structures of (aceto­nitrile κN)tris­­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)cobalt(II) aceto­nitrile disolvate and tetra­kis­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)nickel(II) methanol penta­solvate

... intermolecular NH S hydrogen bonding between the H atoms of the amino groups and the S atoms of the thiocyanate anions or the pyridine-4-thioamide ligands into a three-dimensional ...

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Crystal structure of catena poly[bis­­(tetra­ethyl­ammonium) [tetra­aqua­tris­(μ dicyanamido κ2N1:N5)bis­(dicyanamido κN1)di­cobaltate(II)] dicyanamide]

Crystal structure of catena poly[bis­­(tetra­ethyl­ammonium) [tetra­aqua­tris­(μ dicyanamido κ2N1:N5)bis­(dicyanamido κN1)di­cobaltate(II)] dicyanamide]

... O—H N hydrogen bonding between aqua ligands and dicyanamido ligands or the dicyanamide ...addition, CH N interactions are present between the tetraethylammonium cations ...

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Highly fluorinated naphthalenes and bifurcated C–H⋯F–C hydrogen bonding

Highly fluorinated naphthalenes and bifurcated C–H⋯F–C hydrogen bonding

... weak hydrogen bonding acceptor groups, Dunitz and Taylor examined the C – F group 6 in a survey of crystal structures from the Cambridge Structural Database 7 and Protein Data ...– H ⋯ F – ...

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Crystal structure of trans diammine(1,4,8,11 tetra­aza­cyclo­tetra­decane κ4N)chromium(III) tetra­chlorido­zincate chloride monohydrate from synchrotron data

Crystal structure of trans diammine(1,4,8,11 tetra­aza­cyclo­tetra­decane κ4N)chromium(III) tetra­chlorido­zincate chloride monohydrate from synchrotron data

... through NH Cl and O—H Cl hydrogen-bonding ...includes NH Cl, CH Cl, NH O and O—H Cl hydrogen bonding between ...

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Crystal structure of bis­­(quinolin 1 ium) tetra­chlorido­ferrate(III) chloride

Crystal structure of bis­­(quinolin 1 ium) tetra­chlorido­ferrate(III) chloride

... are NH Cl hydrogen-bonding interactions between the protonated N atoms of the quinolinium cations and the chloride anion, which together with – stacking between adjacent quinolinium ...

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Crystal structure of bis­­[bis­­(1,4,7 tri­aza­cyclo­nonane κ3N,N′,N′′)chromium(III)] tris­­(tetra­chlorido­zincate) monohydrate from synchrotron X ray data

Crystal structure of bis­­[bis­­(1,4,7 tri­aza­cyclo­nonane κ3N,N′,N′′)chromium(III)] tris­­(tetra­chlorido­zincate) monohydrate from synchrotron X ray data

... The structures of the molecular components in the asymmetric unit of the title complex (I), drawn with displacement ellipsoids at the 70% probability level. Dashed lines represent hydrogen-bonding ...

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catena Poly[[[bis­­(1,10 phenanthroline)cadmium(II)] μ naphthalene 2,6 di­carboxyl­ato] monohydrate]

catena Poly[[[bis­­(1,10 phenanthroline)cadmium(II)] μ naphthalene 2,6 di­carboxyl­ato] monohydrate]

... it is a rigid linear ligand with two carboxylate groups on opposite sides, so that it is a building block that can link other building blocks in the polymer, and also because the bulky nature and extended -conjugate ...

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Crystal structure of 5 [2 (9H carbazol 9 yl)eth­yl] 1,3,4 oxa­diazole 2(3H) thione

Crystal structure of 5 [2 (9H carbazol 9 yl)eth­yl] 1,3,4 oxa­diazole 2(3H) thione

... A mixture of 3-(9H-carbazol-9-yl)propanehydrazide (1.09 g, 4 mmol) and carbon disulfide (3 ml) in pyridine (15 mL) was heated under reflux on a water bath (333–343 K) overnight. The excess carbon disulfide was removed ...

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Crystal structure of 1 ethyl 3 (2 oxo 1,3 di­thiol 4 yl)quinoxalin 2(1H) one

Crystal structure of 1 ethyl 3 (2 oxo 1,3 di­thiol 4 yl)quinoxalin 2(1H) one

... The title molecule I crystallizes in the monoclinic space group C2/c with Z = 8. The quinoxaline ring system [C4–C11, N1, N2; largest deviation from plane = 0.041 (2) A ˚ for C5] and the dithiolene ring [C1–C3, ...

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Synthesis and Crystal Structure of the Hydrogen Bromide Salt of 1,4,7,10 Tetrakis(2 ((4 methoxy)phenoxy) ethyl) 1,4,7,10 tetraazacyclododecane

Synthesis and Crystal Structure of the Hydrogen Bromide Salt of 1,4,7,10 Tetrakis(2 ((4 methoxy)phenoxy) ethyl) 1,4,7,10 tetraazacyclododecane

... I > 2 σ (I). Corrections for LP factors and semi-empirical absorption were applied based on Sadabs [15]. Unique data (Rint = 0.1233) were used to solve the struc- ture by direct methods with SHELXS-97 program [16]. ...

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Supra­molecular hydrogen bonding patterns in the N(9)—H protonated and N(7)—H tautomeric form of an N6 benzoyl­adenine salt: N6 benzoyl­adeninium nitrate

Supra­molecular hydrogen bonding patterns in the N(9)—H protonated and N(7)—H tautomeric form of an N6 benzoyl­adenine salt: N6 benzoyl­adeninium nitrate

... of N 6 -substituted adenines, adeninium salts and their metal complexes have been inves- tigated in a variety of crystalline ...include N 6 -benzyladenine (Raghunathan et al., 1983), N 6 ...

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2 (2,4 Di­chloro­phenyl) 5 fluoro 6 morpholin 4 yl 1H benz­imidazole monohydrate

2 (2,4 Di­chloro­phenyl) 5 fluoro 6 morpholin 4 yl 1H benz­imidazole monohydrate

... In order to obtain 2-(2,4-Dichlorophenyl)-5-fluoro-6-morpholin-4-yl-1H-benzimidazole (Kuş, 2002), to a suspension of 4-fluoro-5-morpholin-4-yl-benzene-1,2-diamine (Sanna et al., 1998) (0,211 g, 1 mmol) in DMF (5 ml), the ...

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Bis(2,4,6 tri­amino­pyrimidin 1 ium) sulfate penta­hydrate

Bis(2,4,6 tri­amino­pyrimidin 1 ium) sulfate penta­hydrate

... and the mixture was stirred for 1 h. The resulting clear solution was filtered and left to evaporate at room temperature. The crystalline material that formed upon standing for several days was filtered off and ...

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2,4 Di­chloro­anilinium 4 chloro­benzene­sulfonate monohydrate

2,4 Di­chloro­anilinium 4 chloro­benzene­sulfonate monohydrate

... two H atoms of the water molecule have two O atoms of two different negatively charged sulfonate anions as ...simultaneous hydrogen bonds with two H atoms, one from the positively charged NH 3 group ...

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Crystal structure of (2 amino 7 methyl 4 oxido­pteridine 6 carboxyl­ato κ3O4,N5,O6)aqua­(1,10 phenanthroline κ2N,N′)copper(II) trihydrate

Crystal structure of (2 amino 7 methyl 4 oxido­pteridine 6 carboxyl­ato κ3O4,N5,O6)aqua­(1,10 phenanthroline κ2N,N′)copper(II) trihydrate

... 60 h at 310–312 K under subdued light; additional NaOH solution was added for adjusting the initial pH at ...for C 20 H 21 CuN 7 O 7 : C ...

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Di­aqua­bis­(N,N di­ethyl­nicotin­amide)­bis­(4 nitro­benzoato)­zinc(II)

Di­aqua­bis­(N,N di­ethyl­nicotin­amide)­bis­(4 nitro­benzoato)­zinc(II)

... The title compound, (I), was prepared as part of a series of studies of the coordination chemistry of the ligand N,N-di- ethylnicotinamide (DENA). It has a molecular structure (Fig. 1) very similar to that ...

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