[PDF] Top 20 Characterising organic hydrogen bonds
Has 10000 "Characterising organic hydrogen bonds" found on our website. Below are the top 20 most common "Characterising organic hydrogen bonds".
Characterising organic hydrogen bonds
... the hydrogen bond, this time in the frame of molecular orbital theory, at the Hartree-Fock ...small hydrogen bonded systems led them to a conclusion in line with Coulson’s ideas, ...strong hydrogen ... See full document
259
Two dimensional network of C–H⋯Cl–Co hydrogen bonds in the structure of 1,1,4,4 tetraisopropylpiperazinium tetrachlorocobaltate(II)
... in hydrogen bonds of the CÐH Cl type with C atoms of neighbouring organic dications, while the Cl4 atom does not act as a hydrogen-bond ...two hydrogen bonds each from atoms C13 ... See full document
12
Guaninium sulfate monohydrate
... between organic bases and inorganic ...intricate hydrogen-bond network ...is hydrogen bonded to four sulfate groups [via N1—H1···O2 for the first group, N3—H3···O3 and N2—H21···O1 for the second ... See full document
9
Bis(2,3 dimethylanilinium) diaquabis[dihydrogendiphosphato(2−)]cobaltate(II)
... via hydrogen bonds and stacked perpen- dicular to the c ...protonated organic 2,3-dimethyl- anilinium cations occupy the interlayer spaces and interact with the anionic framework through N—H O ... See full document
8
Swelling of acetylated wood I. Swelling in organic liquids
... The drastic change in ∆ V due to the acetylation can be interpreted by the following two factors: easier adsorption of nonpolar or low-polarity liquid molecules onto the wood where the low-polarity acetyl groups are ... See full document
6
Bis[4 (dimethylamino)pyridinium] octaaquachloridolanthanum(III) tetrachloride trihydrate
... 4-(dimethylamino)pyridinium cations, four chloride anions and three water molecules (Fig. 1). Atom La1 is coordinated by eight water molecules with distances ranging from 2.510 (1) to 2.588 (2) Å, and by one chloride ion ... See full document
12
Asymmetric catalysis with bifunctional cinchona alkaloid based urea and thiourea organocatalysts
... two hydrogen bonds to a range of organic and inorganic Lewis-bases, 11 therefore it was reasonable to expect that they would be capable of accelerating reactions by forming LUMO-lowering ... See full document
12
Crystal structure of (Z) N benzylidene 1 phenylmethanamine oxide hydrogen peroxide monosolvate
... The organic molecule forms two hydrogen bonds, involving the negatively charged oxide atom O3, with adjacent peroxide molecules and the conformation is stabilized by an aromatic C27—H O3 ... See full document
8
Quinoline 2 sulfonamide
... different hydrogen-bond patterns in the solid ...primary hydrogen-bond connectivity is somewhat predictable. Two general hydrogen-bond rules based on empirical observations of hundreds of crystal ... See full document
9
Crystal structures of isotypic poly[bis(benzimidazolium) [tetra μ iodido stannate(II)]] and poly[bis(5,6 difluorobenzimidazolium) [tetra μ iodido stannate(II)]]
... these organic molecules are terminated with one or two protonated primary amine ...X hydrogen bonds to any of the bridging and terminal halogen atoms in the inorganic layers (Mitzi et ...and ... See full document
11
Bis(imidazo[1,2 a]pyridin 1 ium) tetrachloridocuprate(II) dihydrate
... cation is coordinated by four Cl atoms and adopts a distorted tetrahedral geometry. Two molecules of imidazo[1,2-a]pyridine are protonated ensuring electrical neutrality. O—H Cl and N—H O hydrogen bonds ... See full document
7
Synthesis and Structural Investigations of Layered Perovskite System: [NH3-(CH2)3-COOH]2MCL4 ( M= Cd, Hg)
... gives the 2D properties for this compound. The compound cohesion is assured by two different interactions: The bonding between the organic and inorganic layers is established by N-H…Cl hydrogen bonds ... See full document
9
trans 1,2 Bis(1 methylbenzimidazol 2 yl)cyclohexane monohydrate
... N(imine) hydrogen bonds (Table 2) with the organic molecules to yield infinite chains or columns parallel to the c axis direction, in which successive molecules of a given type are related by the 2 1 ... See full document
12
4,4,4 Trifluoro 3 hydroxy 3 (trifluoromethyl)butanoic acid
... O hydrogen bonds ...O hydrogen bonds give rise to the formation of carboxylic acid ...these hydrogen bonds, C—H O contacts connect the molecules into infinite strands along the a ... See full document
8
Boc tyrosyl D alanyl glycyl N methyl phenylalanyl O methyl methionine hydrate: a protected analog of metkephamid
... Inter-chain hydrogen bonding in Boc-Tyr-d-Ala-Gly-NMe-Phe-Met- OMe. The six hydrogen bonds between the pair of peptide molecules in the asymmetric unit and the two hydrogen bonds ... See full document
21
Bis(2,4,6 triaminopyrimidin 1 ium) sulfate pentahydrate
... O hydrogen bonds. The combination of hydrogen- bonding interactions and – stacking leads to the formation of a three-dimensional network with alternating columns of TAPH + cations and channels filled ... See full document
15
Reactions of organic sulphur sulphur bonds
... benzene by the method of Gilman and Gainer68 • Thiophenol wae reacted with diethyl azodicarboxylate in ether and E,-aminothiophenol was then added to the reaction mixture... Phenyl-p-ami[r] ... See full document
120
On the directionality and non-linearity of halogen and hydrogen bonds
... between hydrogen and halogen bonds that is well reproduced by CCSD(T)-F12b, the angular geometry j and the intermolecular bond lengths provide additional areas of comparison for theory and ... See full document
11
The 1:2 adduct N,N dimethylethylenediamine 1,4 diium bis(2,4 dinitrophenolate)
... NÐH bonds involved in hydrogen bonds to the O atoms of the phenolate and nitro groups, and with six of its eight CÐH bonds involved in interactions with the O atoms of the nitro groups of the ... See full document
9
6,6′ Dichloro 3,3′ (butane 1,4 diyldioxy)diflavone
... O hydrogen bonds and the crystal packing is stabilized by CÐH Cl intermolecular hydrogen bonds (Table ...O1 hydrogen bond is involved in R 1 1 (5) ring ... See full document
9
Related subjects