Search results for "Inorganic & Nuclear"

showing 3 items of 143 documents

Two new organic-selenate salts: syntheses and crystal structures of bis(di-iso-propylammonium) selenate and di-n-butylammonium hydrogenoselenate

2017

Abstract Two new dialkyammonium selenate salts [i-Pr2NH2]2[SeO4] (1) and [n-Bu2NH2][HSeO4] (2) have been isolated and characterized by single-crystal X-ray diffraction. Salt 1 crystallizes in the monoclinic system, space group P21/n with a=8.7190(5), b=8.8500(4), c=22.5953(9) Å, β=94.6290(17)°, V=1737.84(14) Å3 and Z=4. Salt 2 crystallizes in the monoclinic system space group P21/n with a=10.9328(9), b=8.1700(6), c=13.8095(11) Å, β=97.130(3)°, V=1223.94(17) Å3 and Z=4. In both salts, dialkylammonium cations and selenate anions are connected through NH···O and OH···O hydrogen bonds. In the crystal structure, 1 and 2 are organized in layer-like arrangements. Structural characterizations were …

spectroscopyGeneral ChemistryCrystal structure[CHIM.INOR]Chemical Sciences/Inorganic chemistry010402 general chemistry010403 inorganic & nuclear chemistry01 natural sciencesSelenatedialkylammonium cation[ CHIM ] Chemical Scienceshydrogen bonding networkNMR0104 chemical sciencesCrystallographychemistry.chemical_compoundchemistryX-ray crystallographyorganic-selenate salt[CHIM]Chemical SciencesComputingMilieux_MISCELLANEOUSX-ray crystallography
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N-[3-Methyl-1-phenyl-1-(1H-tetrazol-1-yl)butan-2-yl]acetamide

2016

In the molecule of the title compound, C14H19N5O, the dihedral angle formed between the tetrazole and phenyl rings is 68.39 (4)°. In the crystal, molecules are linked by N—H...N, C—H...N and C—H...O hydrogen bonds to form two-dimensional networks extending parallel to thebcplane.

tetrazolecrystal structureacetamidebiologyChemistryHydrogen bondPlane (geometry)StereochemistryGeneral MedicineCrystal structureDihedral angle010402 general chemistry010403 inorganic & nuclear chemistrybiology.organism_classification01 natural sciences0104 chemical sciencesCrystalchemistry.chemical_compoundCrystallographyhydrogen bondslcsh:QD901-999TetraTetrazolelcsh:CrystallographyAcetamideIUCrData
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Crystal structure and Hirshfeld surface analysis of (Z)-4-chloro-N′-(4-oxothiazolidin-2-ylidene)benzenesulfonohydrazide monohydrate

2018

The asymmetric unit of the title thiazole derivative containing a sulfonylhydrazinic moiety, C9H8ClN3O3S2·H2O, consists of two independent molecules and two water molecules. The central parts of the molecules are twisted as both the molecules are bent at both the S and N atoms. In the crystal, N—H...N, N—H...O, C—H...O and O—H...O hydrogen-bonding interactions connect the molecules, forming layers parallel to the ab plane. Two-dimensional fingerprint plots associated with the Hirshfeld surface show that the largest contributions to the crystal packing come from O...H/H...O (32.9%) and H...H (22.6%) interactions.

thiazole derivativecrystal structureCrystallography010405 organic chemistryHydrogen bondBent molecular geometryGeneral ChemistryCrystal structure010403 inorganic & nuclear chemistryCondensed Matter PhysicsHydrazide01 natural sciences0104 chemical sciencesCrystalchemistry.chemical_compoundCrystallographychemistryQD901-999hydrogen bondsMoietyHirshfeld surface analysisGeneral Materials SciencePhysics::Chemical PhysicsBenzeneDerivative (chemistry)Acta Crystallographica Section E: Crystallographic Communications
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