H-Atom
Production of complex organic molecules: H-atom addition versus UV irradiation
... A closer look at Fig. 7 shows that ground-based observations, i.e. C/1995 O1-(Hale-Bopp) in Crovisier et al. (2004), C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy) in Biver et al. (2014), yield upper limit MF/EG ratios of ...
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Energy Shift of H Atom Electrons Due to Gibbons Hawking Thermal Bath
... of H-atom electrons is determined by calculating an electron coupling to the Gibbons-Hawking ectromagnetic field thermal ...in H-atom is determined in the framework of non- relativistic ...
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Redetermination and H atom refinement of (S) (+) ibuprofen
... conclusions: (a) the hydrogen bond in the racemate is more linear than in the S-enantiomer; (b) one of the O···O distances in (S)-IBP is essentially the same as that in the racemate, but the other is longer; (c) the ...
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4 {[4 (Dimethylamino)benzylidene]amino}benzenesulfonamide
... (16) ring motifs. These dimers are linked by N— H O hydrogen bonds, between the sulfonamide nitrogen-H atom and one sulfonamide O atom, forming sheets lying parallel to (100). Within the ...
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Crystal structure of potassium sodium heptahydrogen hexamolybdocobaltate(III) octahydrate: an extra protonated B series Anderson type heteropolyoxidometalate
... shared H atom on the pseudocentre between atoms O7B and O10B. The H atoms of all the water molecules (OW) were refined with distances and angles restraints of O—H = ...
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Rerefinement of the co crystal of 4 hydroxypyridine with 4 hydroxypyridinium nitrate
... molecule assembly (which lies on an inversion center) whose components are linked through their O atoms by a short hydrogen bond [2.446 (3) AÊ]. The cation is formally the 4- hydroxypyridinium cation and the neutral ...
5
Bis(2 carboxy N {[1 (2 hydroxyethyl) 3,3 dimethylindolin 2 ylidene]methylimino}anilinium) sulfate monohydrate
... imine H atom is intramolecularly in contact with the adjacent carboxyl O atom, forming an S(6) motif, while all the carboxylic acid H atoms are hydrogen bonded to O atoms of the sulfate ...
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Abstract: The stepwise hydrogenation of the C=C bond and C=O group of acrolein on Au 3
... of H atom bonding to C1, C2, C3 and O atoms of acrolein, ...The atom numbering of acrolein is C1–C2–C3–O4 ...one H atoms bonded to C1, C2 and C3 atoms, respectively, and the O atom has ...
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Reactive Desorption of CO Hydrogenation Products under Cold Pre-stellar Core Conditions
... A detailed analysis of the data presented in Figure 5 shows that N RD ( ) C does not decrease linearly with time; roughly during the fi rst 60 minutes, the decrease is faster ( for all three investigated temperatures ) . ...
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4 Hydroxy 6 methyl 2 (sulfonatoethylsulfanyl)pyrimidin 1 ium monohydrate
... Recent investigations into the synthesis and structures of 2- (alkylthio)pyrimidines, such as the 4,6-dichloro-2-(methyl- thio)- (Lynch & McClenaghan, 2000), 6-chloro-2-(methyl- thio)-4-[(2-phenylethyl)amino]- (Lynch ...
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7 (4 Fluorobenzylamino) 2 phenyl 1,2,4 triazolo[1,5 a][1,3,5]triazin 5 amine methanol disolvate†
... In the crystal, centrosymmetric inversion dimers connected via intermolecular N—H N hydrogen bonds between H atom of the primary amino group and the triazine N atom [R228 graph-set moti[r] ...
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Influences of H on the Adsorption of a Single Ag Atom on Si(111) 7 × 7 Surface
... and H atoms from that of 19H-Si(111)-7 9 ...isolated H atoms are calculated with the same lattice parameters and atomic positions as the relaxed Ag adsorbed 19H-Si(111)-7 9 7 ...isolated H atoms, (c) ...
6
2 Propyl mesityl sulfone† †
... α-H atom providing extensive intermolecular hydrogen bonding with the sulfonyl group), (V) (possessing neither a mesityl group nor α-H atom) and (VI) (possessing an α-H atom but ...
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Hydrazinium 2 amino 4 nitrobenzoate dihydrate: crystal structure and Hirshfeld surface analysis
... HN4 atom also forming a hydrogen bond to a nitro-O4 atom indicating that the HN4 atom is bifurcated ...carboxylate-O1 atom and to a water molecule and at the same time accept a hydrogen bond ...
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N Methylbenzimidazole N methylbenzimidazolium hexafluorophosphate
... from atom N3, a symmetry-related N3 atom is ...the H atom displays symmetry-induced disorder (see refinement details and ...2). Atom N3 turns out to be protonated in 50% of the ...
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[4 Amino N (pyrimidin 2 yl)benzenesulfonamido κN](triphenylarsine κAs)gold(I)
... The compound (I) has a slightly shorter NÐAu distance than that seen in (sulfadiazinato)(triphenylphosphine)gold(I), which has an NÐAu distance of 2.0707 (18) AÊ. As the tri- phenylarsine ligand is slightly more Lewis ...
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N—H⋯O hydrogen bonding in the adduct of N (2 aminoethyl) 2 hydroxybenzamide with picric acid
... the H atom in the hydrogen bond between phenoxy atom O3 and amino atom N2 was localized on the N atom, indicating that the N atom is positively charged and the O atom ...
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A potential synthon for models of vanadium haloperoxidase: (3,5 dimethylpyrazole)bis[2 hydroxy 2 methylbutanoato(1–)]oxovanadium(IV)
... the H atoms. The disordered non-H-atom sites were modelled with isotropic displacement ...pyrazole atom H2N were located and modelled with isotropic displacement ...hydroxy ...
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Hydrogen bis[L lysinium(2+)] dichloride perchlorate
... an H atom from hydrochloric acid. The H atom of the perchloric acid is liberated and bonded with molecule 2 and, as a result, the perchloric acid exists as perchlorate ...N atom ...
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Ramipril†
... All H atoms were found in the electron-density difference map, but most of them were placed in idealized geometry with ®xed isotropic displacement ...the H atom of the carboxylic acid group (H1) and ...
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