nitrogen atom
Engineering and Characterization of Cytochrome P450 Enzymes for Nitrogen Atom Transfer Reactions
... For recent non-natural P450 chemistry, the reactive intermediates are derived from the reaction of enzyme with synthetic reagents. That these reactions do not require the sophisticated P450 catalytic cycle with its ...
150
Effect of Boron (Nitrogen) Divacancy Complex Defects on the Electronic Properties of Graphene Nanoribbon
... is strongly electronegative because of the neighboring vacancy and the p electron is lo- calized around the nitrogen atom. In 2VBN and 2VBN1 configurations, the degeneracy of energy band around the Fermi ...
7
(Nitrato κ2O,O′)bis(1,10 phenanthroline κ2N,N′)copper(II) tricyanomethanide
... one nitrogen atom (N20 and N40) occupying an equatorial position and one nitrogen atom (N10 and N30) coordinated in an axial position (corresponding bond lengths are reported in Table of ...
10
Poly[[diaqua μ4 pyrazine 2,3 dicarboxylato κ6N,O2:O2′:O3,O3′:O3 strontium(II)] monohydrate]
... hetero-ring nitrogen atom and the carboxylate oxygen atom nearest to it and both oxygen atoms of the second carb- oxylic group are ...oxygen atom from the carboxylic group involved in the ...
9
N1 (4 Methylphenyl)piperidine 1,4 dicarboxamide
... the nitrogen atom of the piperidine moiety and the oxygen atom of the secondary amide group (which also acts as acceptor for one set of N–H···O hydrogen ...oxygen atom of its own functional ...
8
CRYSTAL STRUCTURE AND CHARACTERIZATION OF NEUTRAL COBALT(III) 2,3-PYRIDINEDICARBOXYLATE COMPLEX
... Each ligand coordinates in a chelate mode through the pyridine nitrogen atom and an oxygen atom from one deprotonated 2-carboxylic acid group, forming a five-membered chelate ring (Figure 2). The ...
6
Crystal structure of aqua 1κO {μ 2 [(2 hydroxyethyl)methylamino]ethanolato 2:1κ4O1,N,O2:O1}[μ 2,2′ (methylimino)diethanolato 1:2κ4O,N,O′:O]dithiocyanato 1κN,2κN chromium(III)copper(II)
... metal atom as well by a bridging O atom to the neighbouring metal ...amino nitrogen atom of the mdea ligand and atom N1 of the thiocyanato ligand in the basal plane, and by the ...
10
The crystal structures of two new coumarin derivatives: 2 (4 {2 [(2 oxo 2H chromen 4 yl)oxy]acetyl}piperazin 1 yl)acetamide and N (2,4 dimethoxybenzyl) 2 [(2 oxo 2H chromen 4 yl)oxy]acetamide
... imidic nitrogen atom, the molecules display intramolecular N—H N and N—H O hydrogen bonds, between the amide nitrogen and the nitrogen atom N2 of the piperazine ring for compound (I), ...
17
4 [Bis(4 fluorophenyl)methyl] 1 [(2E) 3 phenylprop 2 en 1 yl]piperazin 1 ium 3 carboxypropanoate
... In the crystal, C–H···O contacts whose range falls by up to more than 0.3 Å below the sum of van-der-Waals radii of the atoms participating are observed next to classical hydrogen bonds of the O–H···O and N–H···O type. ...
11
Triethylammonium 8 acetyl 3 methyl 9 phenyl 7 oxo 2 azaspiro[4 5]dec 2 ene 4 nitronate
... The nitrogen atom N3 of the triethylammonium residue is linked via a hydrogen bond with the oxygen atom O4 of the acinitro group and it is not coplanar with this group [dihedral angle C14—N2—O4—N3 = ...
13
← Return to Article Details MAGNETIC ANALYSIS OF TWO [COBALT- IMIDAZOLE-CARBOXYLATE] COMPLEXES: ORBITAL CONTRIBUTION
... For compound 2, the cobalt metal center is coordinated in equatorial position and in trans configuration by two imidazole dicarboxylate ligands bonded to the metal center by the nitrogen atom from the ...
6
Crystal structures of two CuII compounds: catena poly[[chloridocopper(II)] μ N [ethoxy(pyridin 2 yl)methylidene] N′ [oxido(pyridin 3 yl)methylidene]hydrazine κ4N,N′,O:N′′] and di μ chlorido 1:4κ2Cl:Cl 2:3κ2Cl:Cl dichlorido 2κCl,4κCl bis[μ3 ethoxy(pyridin 2 yl)methanolato 1:2:3κ3O:N,O:O;1:3:4κ3O:O:N,O]bis[μ2 ethoxy(pyridin 2 yl)methanolato 1:2κ3N,O:O;3:4κ3N,O:O]tetracopper(II)
... The condensation reaction of pyridine-2-carbaldehyde and nicotinic acid hydrazide in ethanol in the presence of copper acetate yields two different complexes whose ligands are respectively a hemiacetal ...
16
The coordination of a multidentate NxOy donor (x and y ≤ 2) oxazolidine based ligand with Cd(II) and Hg(II); structural, spectral, and theoretical studies
... there are three set of signals including, 7−9 ppm for aromatic units, 5−6 ppm for the hydrogen on the chiral carbon and alcoholic group, 2.5−4 ppm for aliphatic moieties. After coordination, the signals in the aromatic ...
24
Analysis of two [2]catenanes based on electron densities from invariom refinement and results from DFT calculations
... pyridine nitrogen atom of the thread as ...hydrogen atom H(11) which is the donor of the HB between the macrocycle and the thread situated ...
11
Rationalization of the Reactivity of Heteroaromatic Compounds
... non-basic nitrogen. Pyridine possesses an important nitrogen atom in addition to additionally pyrrole is actually comprised of a non-basic nitrogen atom as well as additionally our ...
5
Regiochemical and Stereochemical Studies of the Intramolecular Dipolar Cycloaddition of Nitrones Derived from Quaternary Aldehydes
... oxygen atom with a proton - to a nitrogen atom has been suggested to explain conformational preferences, see for example (a) Sandoval - Lira, ...
5
Bis(2 benzamidobenzimidazolato κ2N1,O)(N,N dimethylformamide κO)copper(II)
... Cu(II) atom is surrounded by five atoms (Table 1): two molecules of the ligand are linked to the metal atom by one nitrogen atom and one oxygen atom for each moiety and one oxygen ...
9
2 Amino 5 methylpyridinium 3 hydroxypyridine 2 carboxylate
... The asymmetric unit (Fig. 1) contains one 2-amino-5-methylpyridinium cation and one 3-hydroxypicolinate anion. An intramolecular O1—H1O1···O2 hydrogen bond in the 3-hydroxypicolinate anion generates an S(6) ring motif. ...
8
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 sheets there ...
9
Studies of 6a thiathiophthenes, 1,6,6a triselenapentalenes, and related systems
... The magnetic susceptibilities of the iron (III) chelates with 136 the ligands (CLX) have been investigated over a temperature range. The moments of the complexes vary between 8.31 and 5.61 B.M, at room temperature and ...
224