The Crystal and Molecular Structure and Properties of Diaqua[N-salicylidene – (S) – (+) – glutamato]copper(II) Monohydrate

1991 ◽  
Vol 46 (10) ◽  
pp. 1323-1327 ◽  
Author(s):  
J. Krätsmár-Šmogrovič ◽  
F. Pavelčík ◽  
J. Soldánová ◽  
J. Sivy ◽  
V. Seressová ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Magnetic Behaviour ◽  
Title Complex ◽  
Donor Atom ◽  
Structure And Properties ◽  
X Ray Diffraction ◽  
X Ray ◽  
Anhydrous Compound ◽  
Tridentate Schiff Base

The crystal and molecular structure of the title complex was determinated by single crystal X-ray diffraction (R = 0.066 for 1059 observed reflections). The approximately square-pyramidal coordination of Cu(II) results from donor atoms O(12), O(1), N(1), O(5) of one H2O molecule as well as the tridentate Schiff base dianion ligand and from the weakly bonded O(1) donor atom of one other H2O molecule in the apical site.The magnetic behaviour of the complex studied obeys the Curie—Weiss law in the temperature range 94—309 K with a small value of the Weiss constant, θ = 1.4 Κ. A similar cryomagnetic behaviour is also characteristic for the anhydrous compound, [N-salicylidene—(S)—(+)-glutamato]copper(II), obtained by thermal dehydration of the title complex.

Structural studies in the ruthenium(II)/(±)-ortho-Phenylenebis{methyl(phenyl)-phosphine/arsine} system. I. Crystal structure of trans-Carbonylhydridobis-[(±)-ortho-phenylenebis {methyl(phenyl)phosphine)]ruthenium(II)hexafluorophosphate(V)-acetone (1/2)

1983 ◽  
Vol 36 (2) ◽  
pp. 259 ◽  
Author(s):  
SC Grocott ◽  
BW Skelton ◽  
AH White
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Diffraction Study ◽  
Crystal And Molecular Structure ◽  
Title Complex ◽  
Structural Studies ◽  
X Ray Diffraction ◽  
X Ray ◽  
Ruthenium Atom ◽  
Methyl Phenyl

The crystal and molecular structure of the title complex, trans-[RuH(CO)(opmpp)2]+ (PF6)-.2(CH3)2- CO [opmpp ≡ (�)-ortho-phenylenebis {methyl(phenyl)phosphine) , o-C6H4(PMePh)2], has been established by a single-crystal X-ray diffraction study at 295(1) K, being refined to a residual of 0.066 for 2293 independent 'observed' reflections. Crystals are monoclinic, C2/c, a 11.943(4), b 26.151(9), c 15.974(6) �, β 90.97(7)�, Z 4. In the model adopted, the ruthenium atom is located on a crystallographic twofold axis; the carbonyl and hydrido ligands lie trans to each other and are disordered about the ruthenium atom. The ruthenium-phosphorus distances are 2.320(2) and 2.317(2)�.

Structural studies in the ruthenium(II)/(±)-ortho-Phenylenebis{methyl(phenyl)-phosphine/arsine} system. III. Crystal structures of Dichlorocarbonyl(dimethyl sulfoxide)-[ortho-phenylenebis {methyl(phenyl)phosphine}]ruthenium(II) and of cis-dicarbonyldichloro[(±)-ortho-phenylenebis{methyl(phenyl)arsine}]ruthenium(II)

1983 ◽  
Vol 36 (2) ◽  
pp. 271 ◽  
Author(s):  
SR Hall ◽  
BW Skelton ◽  
AH White
Keyword(s):  
Molecular Structure ◽  
Diffraction Study ◽  
Dimethyl Sulfoxide ◽  
Crystal And Molecular Structure ◽  
Title Complex ◽  
Structural Studies ◽  
X Ray Diffraction ◽  
X Ray ◽  
Carbonyl Ligands ◽  
Methyl Phenyl

The crystal and molecular structure of the title complex, cis-[Ru(CO)Cl2(dmso)(opmpp)] (1) (dmso ≡ dimethyl sulfoxide, Me2SO; opmpp ≡ (�)-ortho-phenylenebis {methyl(phenyl)phosphine},[o-C6H4(PMePh)2]), has been determined by a single-crystal X-ray diffraction study at 295(1) K, being refined to a residual of 0.050 for 6115 independent 'observed' reflections. Crystals are monoclinic, P21/c, a 11.180(7), b 12.957(6), c 17.567(9) �, β 90.88(5)�, Z 4. The ruthenium-chlorine distances, trans to phosphine and carbonyl ligands, respectively, are 2.469(2), 2.446(2) �; the ruthenium-phosphine distances, trans to the chloride and dimethyl sulfoxide ligands, respectively, are 2.292(1), 2.313(2) �. Ruthenium-sulfur (dmso) is 2.380(2) �, while the ruthenium-carbon(CO) is c. 1.72 �. For cis-[Ru(CO)2Cl2(opmpa)] (2) (opmpa ≡ (�)-ortho-phenylenebis{methyl(phenyl)- arsine}, [o-C6H4(AsMePh)2]), refinement led to a residual of 0.036 for 2423 independent 'observed' reflections. Crystals are monoclinic, P21/c, a 10.497(3), b 11.586(7), c 20.341(9) �, β 105.31(4)�, Z 4. Ruthenium-arsine distances, trans to carbonyl and chlorine ligands, respectively, are 2.404(1), 2.455(1) �. Ruthenium-chlorine distances, trans to arsine and carbonyl ligands, respectively, are 2.443(3), 2.433(2) �, while ruthenium-carbon(CO) distances, trans to arsine and chlorine ligands, respectively, are 1 .920(8), 1 .872(8) �.

Structural studies in the ruthenium(II)/(±)-ortho-Phenylenebis{methyl(phenyl)-phosphine/arsine) system. II. Crystal structure of trans-Dichloro[(±)-ortho-phenylenebis{methyl(phenyl)-phosphine}][(±)-ortho-phenylenebis(methyl(pheny1)-phosphine) P-oxide]ruthenium(II)

1983 ◽  
Vol 36 (2) ◽  
pp. 267 ◽  
Author(s):  
SR Hall ◽  
BW Skelton ◽  
AH White
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Diffraction Study ◽  
Crystal And Molecular Structure ◽  
Title Complex ◽  
Structural Studies ◽  
X Ray Diffraction ◽  
X Ray ◽  
Oxygen Distance ◽  
Methyl Phenyl

The crystal and molecular structure of the title complex, trans-[RuCl2{(�)-o-C5H4(PMePh)2}{(�)- o-C5H4(PMePh)(P(O)MePh)}], has been established by a single-crystal X-ray diffraction study at 295(1) K, being refined to a residual of 0.037 for 2669 independent 'observed' reflections. Crystals are orthorhombic, P212121, a 16.655(5), b 15.805(4), c 14.823(8) �, Z 4. The chlorine atoms lie trans to each other in the coordination sphere of the six-coordinate ruthenium, with the O-C6H4(PMePh)2 and o-C6H4(PMePh)(P(O)MePh) ligands being P,P? and O,P' bidentate respectively. The ruthenium-chlorine distances are 2.434(2) and 2.425(2) �; the two mutually trans ruthenium- phosphine distances are 2.310(3) and 2.346(2) �, but that which is trans to the oxygen is unusually short, being 2 219(2) �. The ruthenium-oxygen distance is 2.166(5)�.

Crystal and molecular structure of diorganoammonium oxalatotrimethylstannate, [R2NH2][Me3Sn(C2O4)] (R=i-Bu, cyclohexyl)

2011 ◽  
Vol 34 (5-6) ◽  
pp. 127-130 ◽  
Author(s):  
Yaya Sow ◽  
Libasse Diop ◽  
Kieran C. Molloy ◽  
Gabrielle Kociok-Köhn
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Diffraction Study ◽  
Crystal And Molecular Structure ◽  
X Ray Diffraction ◽  
X Ray ◽  
Trigonal Bipyramidal ◽  
Trans Complex ◽  
A Chain ◽  
Distorted Trigonal Bipyramidal

Abstract The title compounds [R2NH2][C2O4SnMe3](R=i-Bu, Cy), in which tin atoms adopt a distorted trigonal bipyramidal configuration, have been prepared and submitted to an X-ray diffraction study. These compounds have been obtained from the reaction of (Cy2NH2)2C2O4·H2O or (i-Bu2NH2)2C2O4 with SnMe3Cl. In both [R2NH2][C2O4SnMe3] compounds, the trans complex has an almost regular trigonal bipyramidal geometry around the tin atom. The SnMe3 residues are connected as a chain with bridging oxalate anions in a trans-SnC3O2 framework, the oxygen atoms being in axial positions. The cations connect linear adjacent chains through NH…O hydrogen bonds giving layered structures.

Crystal and molecular structure of trans-[RhCl(CO)(PtBu2Ph)2]

2018 ◽  
Vol 73 (12) ◽  
pp. 1029-1032
Author(s):  
Peter Mayer ◽  
Hans-Christian Böttcher
Keyword(s):  
Molecular Structure ◽  
Ir Spectroscopy ◽  
Crystal And Molecular Structure ◽  
Title Complex ◽  
High Yield ◽  
X Ray ◽  
Carbonyl Ligands ◽  
Pale Yellow ◽  
X Ray Crystallography ◽  
Type Complex

AbstractTreatment of THF solutions containing the rhodium(II) complex trans-[RhCl2(PtBu2Ph)2] (1) with [Fe2(CO)9] in the same solvent resulted in the formation of the Vaska-type complex trans-[RhCl(CO)(PtBu2Ph)2] (2) in high yield. The title complex 2 was obtained as pale yellow crystals, characterized by NMR and IR spectroscopy, as well as by microanalyses. Additionally, the molecular structure of 2 has been established by X-ray crystallography. As often reported for similar constituted compounds, the chlorido and carbonyl ligands in crystals of 2 are strongly disordered.

scholarly journals Synthesis, characterization and single crystal X-ray analysis of azobenzene-4, 4′-dicarbonyl chloride

2018 ◽  
Vol 6 (2) ◽  
pp. 132-136
Author(s):  
Pramod Kumar Yadav
Keyword(s):  
Molecular Structure ◽  
Single Crystal ◽  
Elemental Analysis ◽  
Title Compound ◽  
Crystal And Molecular Structure ◽  
Molecular Aggregation ◽  
X Ray Diffraction ◽  
Secondary Interaction ◽  
Triclinic Crystal System ◽  
X Ray

The title compound azobenzene-4, 4′-dicarbonyl chloride has been synthesized in distilled dichlomethane and characterized by elemental analysis (C, H, N), IR and NMR (1H & 13C) studies. The crystal and molecular structure was further confirmed using single crystal X-ray diffraction analysis. It was crystallized in triclinic crystal system with space group P-1. The centrosymmetrically related molecules held together via C–H---O secondary interaction result in molecular aggregation of the compound.  Int. J. Appl. Sci. Biotechnol. Vol 6(2): 132-136

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