• No results found

N-H...N HYDROGEN BONDING

3,4 Di­amino­benzo­nitrile

3,4 Di­amino­benzo­nitrile

... weak NH N hydrogen bonds. NH N hydrogen bonding between the amine and nitrile groups results in chains parallel to [101] in the crystal ...by ...

6

5 Amino 3 (4H 1,2,4 triazol 4 yl) 1H 1,2,4 triazole

5 Amino 3 (4H 1,2,4 triazol 4 yl) 1H 1,2,4 triazole

... strong NH···N hydrogen bonding interactions (see Table 1 for further geometrical details), which direct the crystal packing features of the title ...of hydrogen atoms from each ...

11

N,N′ Bis­(pyridin 4 ylmeth­yl)terephthalamide dihydrate: a self interpenetrating hydrogen bonding network

N,N′ Bis­(pyridin 4 ylmeth­yl)terephthalamide dihydrate: a self interpenetrating hydrogen bonding network

... as hydrogen bonding, – stacking and C—H interactions, play a dominant role in supramolecular self-assembly (Casnati et ...Accordingly, N-substituted aromatic amides should be useful molecular ...

7

Di­pentyl 2,6 di­amino­benzo[1,2 b:4,5 b′]di­furan 3,7 di­carboxyl­ate

Di­pentyl 2,6 di­amino­benzo[1,2 b:4,5 b′]di­furan 3,7 di­carboxyl­ate

... intramolecular NH···O=C hydrogen bonds (Table ...intramolecular hydrogen bonding involving the amino group and ester carbonyl helps to lock the syn conformation of ester with respect ...

8

Bis(4 hy­dr­oxy N iso­propyl N methyl­trypt­ammo­nium) fumarate: a new crystalline form of miprocin

Bis(4 hy­dr­oxy N iso­propyl N methyl­trypt­ammo­nium) fumarate: a new crystalline form of miprocin

... The hydrogen bonding of the tryptammonium cation in the structure of the title compound (Table 1), with hydrogen bonds shown as dashed ...an NH interaction ...level. Hydrogen ...

10

N—H⋯S and N—H⋯O hydrogen bonding in tetra n butyl­ammonium (imidazolidine 2 thione 2κS)dioxo 1κ2O di μ sulfido 1:2κ4S:S copper(I)tungstate(VI)

N—H⋯S and N—H⋯O hydrogen bonding in tetra n butyl­ammonium (imidazolidine 2 thione 2κS)dioxo 1κ2O di μ sulfido 1:2κ4S:S copper(I)tungstate(VI)

... was stirred at room temperature for 5 min. CuCl (0.099 g, 1 mmol) was added and the mixture was stirred for 1 h. Imt (0.112 g, 1.1 mmol) was added and the mixture was stirred at room temperature for 4 h and ...

12

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 ...

9

Synthesis and Crystal Structure of Salen Ligands Derived from Unsymmetrical Vicinal Diamine

Synthesis and Crystal Structure of Salen Ligands Derived from Unsymmetrical Vicinal Diamine

... exhibiting N….H-O type hydrogen bonding ...The bonding parameters of C=N & C-O signify an exclusive formation of enol-imine form over the other tautomeric forms of Schiff ...

6

4 (Hex­yl­oxy)aniline

4 (Hex­yl­oxy)aniline

... for hydrogen bonding, very weak intermolecular interactions are observed in the crystal structure (Table 2); NH N bonds link mol- ecules along [100] and NH O ...

7

To bend or not to bend : Are heteroatom interactions within conjugated molecules effective in dictating conformation and planarity?

To bend or not to bend : Are heteroatom interactions within conjugated molecules effective in dictating conformation and planarity?

... C–H N hydro- gen bonding is off-set by the unfavourable S S interaction in one conformer, whereas the S N close contact in the alternative geometry is presumably deterred by steric hindrance ...

7

Bis{4 [(Z) N′ (4 hy­droxy­benzyl­­idene)hydrazino] 8 (tri­fluoro­meth­yl)quinolinium} sulfate dihydrate

Bis{4 [(Z) N′ (4 hy­droxy­benzyl­­idene)hydrazino] 8 (tri­fluoro­meth­yl)quinolinium} sulfate dihydrate

... and NH O hydrogen bonding between H atoms from 4-hydroxyphenyl O atoms and the O atoms of nearby water molecules and sulfate anions, as well as H atoms from the N atom of ...

19

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

... Extensive hydrogen-bonding interactions occur in the crystal structure (Table ...involves hydrogen-bonding interactions with the NH groups from each of the tacn ligands, the ...

15

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 ...

20

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)

... C—H 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 coordination of this ...

12

1,4,10,13 Tetra­oxa 7,16 diazo­nia­cyclo­octa­decane bis­­(hexa­fluoro­phosphate): PF6− acting as a pseudohalide

1,4,10,13 Tetra­oxa 7,16 diazo­nia­cyclo­octa­decane bis­­(hexa­fluoro­phosphate): PF6− acting as a pseudohalide

... The hydrogen bonding in each of these structures consists of an acceptor atom above and below the pocket of the macrocycle, with two NH donor groups, one from each N atom of the ...the ...

7

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 ...

9

L Aspartic acid nitrate–L aspartic acid (1/1)

L Aspartic acid nitrate–L aspartic acid (1/1)

... amino N atom of both residues forms NH···O hydrogen bonds with the nitrate anion, and the α- and β-carboxyl ...Three-centered hydrogen bonding is observed in both ...IV ...

10

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

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

... N4—H···O2 hydrogen bonds to form a linear hydrogen-bonded supramolecular chain ...N4—H···O2 hydrogen bond was previously proposed for a single stranded poly(C) nucleotide based on an ...

12

N—H⋯O and O—H⋯O hydrogen bonds in crystal engineering: trimethoprim hydrogen glutarate

N—H⋯O and O—H⋯O hydrogen bonds in crystal engineering: trimethoprim hydrogen glutarate

... the hydrogen-bonding patterns in the crystal structures of trimethoprim formate (Umadevi & Muthiah, 1994), trimethoprim perchlorate (Umadevi, 1997), trimethoprim salicylate monohydrate (Murugesan & ...

11

N,N′ (4,5 Di­methyl 1,2 phenyl­ene)bis­­(pyridine 2 carboxamide)

N,N′ (4,5 Di­methyl 1,2 phenyl­ene)bis­­(pyridine 2 carboxamide)

... intramolecular NH···N interactions and in the crystal structure an intermolecular asymmetric cyclic hydrogen-bonding association involving both amide NH donors and a ...

8

Show all 10000 documents...

Related subjects