Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Papa Aly Gaye"'
Autor:
Thierno Moussa Seck, Papa Aly Gaye, Cheikh Ndoye, Ibrahima Elhadji Thiam, Ousmane Diouf, Pascal Retailleau, Mohamed Gaye
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 8, Pp 1349-1352 (2020)
A tetranuclear ZnII complex, [Zn4(C13H11N6O)2Cl6(H2O)2] or {[Zn2(HL)(H2O)(Cl2)](μCl)2[Zn2(HL)(H2O)(Cl)]}2, was synthesized by mixing an equimolar amount of a methanol solution containing ZnCl2 and a methanol solution containing the ligand H2L [1,5-b
Externí odkaz:
https://doaj.org/article/79889a96a7d94dc7a74602aeb2bd8e93
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 9, Pp m1269-m1269 (2011)
The CoII ion in the title complex, (C4H14N2)2[Co(C2O4)3]·2H2O, is coordinated by three oxalate ions, resulting in a distorted octahedral geometry. Two uncoordinated water molecules are present in asymmetric unit. Intermolecular N—H...O and O—H..
Externí odkaz:
https://doaj.org/article/a7d6938f32e84adba6f013d382c29005
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp m1046-m1046 (2011)
The asymmetric unit of the title salt, (C4H14N2)[Cu(C2O4)2], consists of one complex anion and two cationic half-molecules, the other halves being generated by inversion symmetry. The CuII atom in the anion is coordinated by two bidentate oxalate lig
Externí odkaz:
https://doaj.org/article/a520daf0166847799956ca26b988c3f5
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 5, Pp o1168-o1168 (2011)
The title compound, C7H9N3S2, crystallizes with two unique molecules in the unit cell, both present as thiosemicarbazide tautomers. The molecules differ principally in the dihedral angles between the thiophene ring planes and the planes through the n
Externí odkaz:
https://doaj.org/article/722a13ec25044ded9970a9805a4cf7c0
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 6, Pp o1252-o1252 (2009)
In the title compound, C6H9N2S+·Cl−·CH4N2S, the 4,6-dimethyl-2-thioxo-1,2-dihydropyrimidin-3-ium cation is protonated at one of the pyrimidine N atoms. The cations are bridged by the chloride anions through a pair of N—H...Cl hydrogen bonds. Th
Externí odkaz:
https://doaj.org/article/42b5c362d06340a58123c2b58d8a2027
Autor:
Mbossé Ndiaye-Gueye, Amar Diop, Papa Aly Gaye, Ibrahima Elhadji Thiam, Farba Bouyagui Tamboura, Mohamed Gaye
Publikováno v:
Earthline Journal of Chemical Sciences. :81-95
Herein we reported the binuclear complexes of the 1-(pyridin-2-yl)-2-(pyridin-2-ylmethylene)hydrazine ligand (HL) [Ln2(HL)2(CH3COO)6].n(H2O) (Ln = Y, Pr, Gd and Er). The binuclear complexes are characterized by IR and physical measurement. Spectrosco
Autor:
Moussa Faye, Nathalie Gruber, Mouhamadou Moustapha Sow, Mohamed Gaye, Papa Aly Gaye, Moussa Dieng, Farba Bouyagui Tamboura
Publikováno v:
Earthline Journal of Chemical Sciences. :99-117
The use of N'–(1–(pyridin–2–yl)ethylidene)nicotinohydrazide (HL) in lanthanide(III) chemistry has yielded one mononuclear and one dinuclear complexes. The 1:1 Nd(NO3)3.6H2O or Pr(CH3COO)3.6H2O/HL in methanol afforded the complexes [Nd (HL)2(N
Publikováno v:
European Journal of Chemistry. 12:159-164
Complexes of Co(II), [Co(C 26 H 24 N 8 O 2 )]·(ClO 4 ) 2 ·(H 2 O) 2 (1), and Cu(II), [Cu(C 26 H 23 N 8 O 2 )]·(ClO 4 ) (2), have been synthesized. The prepared two compounds were characterized by elemental analysis, infrared and their structures w
Autor:
Ousmane Diouf, Ibrahima Elhadji Thiam, Cheikh Ndoye, Thierno Moussa Seck, Papa Aly Gaye, Pascal Retailleau, Mohamed Gaye
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 8, Pp 1349-1352 (2020)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
A symmetrical dicarbonohydrazide was used to synthesize a centrosymmetric tetranuclear zinc(II) complex in which two of the zinc cations are pentacoordinated and the other two are hexacoordinated.
A tetranuclear ZnII complex, [Zn4(C13H11
A tetranuclear ZnII complex, [Zn4(C13H11
Publikováno v:
Chemistry Africa. 3:949-954
A new Mn(II) complex prepared by the reaction of 1,5-bis(1-(pyridin-2-yl)ethylidene)carbonohydrazide (H2L) with Mn(II) ion is reported in this paper. The H2L ligand is structurally characterized by elemental analysis, NMR and infrared spectroscopies.