Browsing by Author "Vega, Andrés"
Now showing items 1-20 of 25
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(BLACKWELL PUBLISHING, 2008-06)The structure of the title compound, (C10H10N3)(2)[ZnCl4], is composed of C10H9N3H+ ( DPAH(+)) cations and [ ZnCl4](2-) anions. The two pyridyl rings of DPAH+ are approximately coplanar, with a dihedral angle of 7.2 ( ...
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(BLACKWELL PUBLISHING, 2006-10)The molecule of the title compound, C19H20O2S, corresponds to a chiral sulfinyldienol with two stereogenic centres, viz. the C atom susbtituted by the hydroxy group and the sulfinyl S atom. The molecule displays a V-shape ...
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4-(2-Hydroxyphenyl)-2-phenyl-2,3-dihydro-1H-1,5-benzodiazepine and the 2-(2,3-dimethoxyphenyl)-, ... (BLACKWELL PUBLISHING, 2007-07)The 1,5-benzodiazepine ring system exhibits a puckered boatlike conformation for all four title compounds [4-(2-hydroxyphenyl)2- phenyl-2,3-dihydro-1H-1,5-benzodiazepine, C21H18N2O, (I), 2-(2,3-dimethoxyphenyl)-4-(2-hydr ...
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(WILEY-BLACKWELL PUBLISHING, INC, 2009-02)The title molecule, C14H14O3, contains two fused six-membered carbon rings with keto groups at positions 1, 4 and 5 and a gem-diethyl group at position 8. The molecule is close to planar (maximum deviation = 0.044 angstrom), ...
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(BLACKWELL PUBLISHING, 2008-07)In the title molecule, C16H16O3, the ring system is planar and an intramolecular hydrogen bond is present. The molecular packing is dominated by an intermolecular hydrogen bond and by pi-stacking interactions [interplanar ...
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(AMER CHEMICAL SOC, 2007-08)Two new ligands, 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methylphenol (HL) and 2-[(bis(2-pyridylmethyl)amino)methyl]- 4-methyl-6-(methylthio)phenol (HSL), were synthesized and were used to prepare the trinuclear copper(II) ...
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(WILEY-BLACKWELL PUBLISHING, 2008-09)The molecular conformation of the title compound, C18H18O5, is stabilized by a strong intramolecular hydrogen bond between the hydroxyl and carbonyl groups. The C = C double bond displays an E configuration while the ...
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(AMER CHEMICAL SOC, 2006-04-10)Three structures of novel cluster carboxylates of molybdenum(II) (la-c) and copper(II) (2) with the OOC-CCHCo2(CO)(6) ligand are presented. The solvent topology plays an important role in the formation of the crystal lattice ...
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(SOC MEXICANA FISICA, 2008-04)A systematic study of the colineal and no-colineal magnetic properties and the metallic behavior in free standing clusters of Pd-N (2 <= N <= 21) is carried out. We also study the effect of the twinning in clusters on the ...
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(BLACKWELL PUBLISHING, 2008-04)A series of five compounds containing the bicyclo[3.3.0]octa-2,6-diene skeleton are described, namely tetramethyl cis,cis-3,7-dihydroxybicyclo[3.3.0]octa-2,6-diene-2,4-exo,6,8-exo-tetracarboxylate, C(16)H(18)O(10), (I), ...
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(Elsevier S.A., 2002)Reaction of propiolic acid (HCCCOOH) with dicobalt octacarbonyl (Co 2(CO)8) and tetracobalt dodecacarbonyl (Co 4(CO)12) leads to the organometallic carboxylic acids (CO)6Co2HCC-COOH (1) and (CO)10Co 4HCC-COOH (2) in good ...
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(SOCIEDAD CHILENA DE QUIMICA, 2000-06)Copper(ll) trifluoroacetate with three coordinated water molecules and two dioxane molecules (1) crystallized as a linear chain surrounded by a net of hydrogen bonds to the dioxane and trifluoroacetate. This-complex ...
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(International Union of Crystallography, 2013)In the structure of the title compound, {[Cu2(C10H2O8)- (H2O)6] 4H2O}n, the benzene-1,2,4,5-tetracarboxylate ligand, (btec)4 , is located on a crystallographic inversion centre in a 4-coordination mode. The coordination ...
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(The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics, 2007-07)We report a comparative study of the magnetic properties of free-standing PdN clusters (2 ≤ N ≤ 21) obtained through two different theoretical approaches that are extensively employed in electronic structure calculations: ...
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(Elsevier, 2013)The magnetic properties of [(VO)3(l-PO4)2(2,20-bpy)(l-OH2)]1/3H2O (1) and (VO)2H4P2O9 (2), a tubular and a layered vanadium(IV) phosphates containing triply oxido bridged VIV dimers, are analyzed considering the ...
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(2002)The reaction of the organometallic carboxylic acid HOOCCCHCo2(CO)6 with copper(II) methoxide leads to a new inorganometallic cluster; Cu3{í2-(CCHCo2(CO)6)}3. This cluster has a triangular core of copper(I) centers ...
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(AMER CHEMICAL SOC,, 2006-01-23)The trimer [Co-3(mu-OOCCF3)(4)(mu-H2O)(2)(OOCCF3)(2)(H2O)(2)(C4H8O2)]center dot 2C(4)H(8)O(2) (1) is composed of three tetragonally distorted Coll centers bridged by four trifluoroacetates and two bridging water molecules. ...
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(Royal Soc Chemistry, England, 2021)In this work, we describe the photoisomerization of facial rhenium(I) tricarbonyl complexes bearing P,Nbidentate pyridyl/phosphine ligands with different chelating rings and anions: RePNBr, RePNTfO, and RePNNBr, which ...
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Polyoxometalate cluster [V12B18O60H6] functionalized with the copper(II) bis-ethylenediamine complex (Elsevier, 2011)Three compounds based on the polyoxometalate building block [V12B18O60H6], (Na)10[(H2O)V12- B18O60H6] 18H2O (1), Na8[Cu(en)2]2[V12B18O60H6](NO3)2 14.7H2O (2), Na7[Cu(en)2]2[V12B18O60H6] (NO3) 15.5H2O (3), (en = ...
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(Wiley-Blackwell, 2018)The reaction of 2-aminonicotinaldehyde with 2- or 4-methoxyacetophenone in basic media leads to the new ligands 2-(4-methoxyphenyl)-1,8-naphthyridine and 2-(2-methoxyphenyl)-1,8-naphthyridine, respectively, in high yield. ...
