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Search query: nitroso-ligands
19 articles match your search "nitroso-ligands"Results 1 to 10, sorted by relevance:
research communications
A new alkaline earth metal three-dimensional polar MOF structure in barium carbamoylcyanonitrosomethanide is governed by bridging coordination of the nitroso- and aqua O-atoms, which support a face-sharing connection of coordination polyhedra.
crystallography in latin america
The crystallographic analysis of two novel pyrroles is reported. A nitrosyl derivative revealed strong hydrogen-bond interactions and bifurcated halogen bonds that lead to interstitial voids.
research papers
The molecular [Cu(ccnm)Cl(biq)]·acn complex (acn is acetonitrile, biq is 2,2′-biquinoline and ccnm is carbamoylcyanonitrosomethanide) was obtained as a result of nucleophilic addition of water to the dicyanonitrosomethanide ion in the presence of CuII and biq. The spectral and magnetic properties of the complex were investigated.
research communications
The anthracycline biosynthetic enzyme DnmZ has been structurally characterized in ligand-free and thymidine diphosphate-bound forms.
metal-organic compounds
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In the centrosymmetric title compound, [Cu(C5H11N2O2)2], the Cu2+ ion, located on an inversion centre (Wyckoff position 2b), is in a square-planar environment, surounded by four O atoms of the N—O groups of two N-nitroso-N-pentylhydroxylaminate ligands [Cu—O = 1.9042 (17) and 1.9095 (16) Å]. The hydroxylaminate monoanions are bidentate chelating ligands. The Cu2+ cations form stacks along [010], with intermolecular Cu
N contacts of 3.146 (2) and 3.653 (2) Å.
N contacts of 3.146 (2) and 3.653 (2) Å.research communicationsOpen access
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Two new chiral cyanide-bridged bimetallic coordination polymers involving the ligand (R)-propane-1,2-diamine (Lpn) are described. One compound is a zigzag cyanide-bridged chain polymer in which the asymmetric unit consists of two independent chiral {[Cu(Lpn)2][Fe(CN)5(NO)]} units and two water molecules, while the second compound is a two-dimensional cyanide-bridged coordination polymer, in which the asymmetric unit consists of two chiral {[Cu(Lpn)2][Cr(CN)6]}− anions bridged by a chiral [Cu(Lpn)2]2+ cation and five water molecules.
metal-organic compounds
In the title compound, bis(N-nitroso-N-phenylhydroxylaminato)manganese, [Mn(C6H5N2O2)2], the MnII ion has a distorted octahedral coordination defined by four O atoms from two cupferron ligands and two O atoms of the nitroso groups of two adjacent cupferron ligands [Mn-O 2.142 (2)-2.198 (2) Å]. Each nitroso O atom coordinates to two MnII ions resulting in an (-Mn-O-Mn-)n network. The plane of the nitrosohydroxylaminato group is nearly coplanar with that of the phenyl ring.
organic compoundsOpen access
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The crystal structure of the title compound, C8H10N2O3S, displays predominant C—HO hydrogen-bonding and π–π stacking interactions. The hydrogen bonds are between the O atoms of the sulfonyl group and H atoms on methyl groups. The π–π stacking interactions occur between adjacent aromatic rings, with a centroid–centroid distance of 3.868 (11) Å. These interactions lead to the formation of chains parallel to (101).
O hydrogen-bonding and π–π stacking interactions. The hydrogen bonds are between the O atoms of the sulfonyl group and H atoms on methyl groups. The π–π stacking interactions occur between adjacent aromatic rings, with a centroid–centroid distance of 3.868 (11) Å. These interactions lead to the formation of chains parallel to (101).
research papers
The self-assembly of cobalt(II) and nickel(II) octahedra formed by cupferronato and neutral N-donor ligands and their NH2 functions leads to extended two-dimensional hexagonal and pseudo-hexagonal grid-type networks. The solvent molecules play a key role in such systems.
crystallization papers
The dimer formed by the isolated N-terminal domain of riboflavin synthase is assumed to closely resemble the riboflavin-binding motif of the native enzyme. The crystallographic analysis of the domain in the presence of bound riboflavin provides an opportunity to acquire structural information on the riboflavin-binding site.
