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Zenodo (CERN European Organization for Nuclear Research), Apr 28, 2023
The use of N'-(1-(pyridin-2-yl)ethylidene)nicotinohydrazide (HL) in Yttrium (III) chemistry has y... more The use of N'-(1-(pyridin-2-yl)ethylidene)nicotinohydrazide (HL) in Yttrium (III) chemistry has yielded dinuclear complex. The 1:1 Y(CH3COO)3.6H2O/HL in methanol afforded the complex {[Y(L)( 2-OOCCH3)(H2O)]( 1 : 2 :µ-OOCCH3)2[Y(L)( 2-OOCCH3)(H2O)]}. The structure of the complex were solved by single crystal X-ray crystallography. In the complex the Y 3+ atoms are doubly bridged by two acetates anions and each metal ion is coordinated by one tridentate monodeprotonated molecule ligand, one bidentate acetate group and one coordinated water molecule. Each Y 3+ atom is nine-coordinated with an environment best described as a tricapped prismatic geometry. Complex crystallizes in the monoclinic space group P21/n with the following parameters : a = 11.3775(11) Å, b = 14.2462(16) Å, c = 12.0082(12) Å, ꞵ = 100.728(10)°, V = 1912.3(3) Å 3 , Z = 8, R1 = 0.0345, wR2 = 0.0797. The supramolecular structures are consolidated by multiple hydrogen bonds.
Received: 20 January 2021 Received in revised form: 05 April 2021 Accepted: 17 April 2021 Publish... more Received: 20 January 2021 Received in revised form: 05 April 2021 Accepted: 17 April 2021 Published online: 30 June 2021 Printed: 30 June 2021 Complexes of Co(II), [Co(C26H24N8O2)]·(ClO4)2·(H2O)2 (1), and Cu(II), [Cu(C26H23N8O2)]·(ClO4) (2), have been synthesized. The prepared two compounds were characterized by elemental analysis, infrared and their structures were determined by single-crystal X-ray diffraction. The compound 1 crystallizes in the triclinic space group P-1 with the following unit cell parameters: a = 8.880 (5) Å, b = 10.529 (5) Å, c = 18.430 (5) Å, α = 99.407 (5)°, β = 102.174 (5)°, γ = 100.652 (5)°, V = 1618.2 (13) Å3, Z = 2, T = 293(2), μ(MoKα) = 0.77 mm-1, Dcalc = 1.582 g/cm3, 16135 reflections measured (5.050° ≤ 2θ ≤ 59.152°), 7648 unique, Rint = 0.034 which were used in all calculations. The final R1 was 0.066 (I ≥ 2σ(I)) and wR2 was 0.22 (all data). The compound 2 crystallizes in the monoclinic space group P21/c with the following unit cell parameters : a = 11...
Zenodo (CERN European Organization for Nuclear Research), Apr 28, 2023
The use of N'-(1-(pyridin-2-yl)ethylidene)nicotinohydrazide (HL) in Yttrium (III) chemistry has y... more The use of N'-(1-(pyridin-2-yl)ethylidene)nicotinohydrazide (HL) in Yttrium (III) chemistry has yielded dinuclear complex. The 1:1 Y(CH3COO)3.6H2O/HL in methanol afforded the complex {[Y(L)( 2-OOCCH3)(H2O)]( 1 : 2 :µ-OOCCH3)2[Y(L)( 2-OOCCH3)(H2O)]}. The structure of the complex were solved by single crystal X-ray crystallography. In the complex the Y 3+ atoms are doubly bridged by two acetates anions and each metal ion is coordinated by one tridentate monodeprotonated molecule ligand, one bidentate acetate group and one coordinated water molecule. Each Y 3+ atom is nine-coordinated with an environment best described as a tricapped prismatic geometry. Complex crystallizes in the monoclinic space group P21/n with the following parameters : a = 11.3775(11) Å, b = 14.2462(16) Å, c = 12.0082(12) Å, ꞵ = 100.728(10)°, V = 1912.3(3) Å 3 , Z = 8, R1 = 0.0345, wR2 = 0.0797. The supramolecular structures are consolidated by multiple hydrogen bonds.
Received: 20 January 2021 Received in revised form: 05 April 2021 Accepted: 17 April 2021 Publish... more Received: 20 January 2021 Received in revised form: 05 April 2021 Accepted: 17 April 2021 Published online: 30 June 2021 Printed: 30 June 2021 Complexes of Co(II), [Co(C26H24N8O2)]·(ClO4)2·(H2O)2 (1), and Cu(II), [Cu(C26H23N8O2)]·(ClO4) (2), have been synthesized. The prepared two compounds were characterized by elemental analysis, infrared and their structures were determined by single-crystal X-ray diffraction. The compound 1 crystallizes in the triclinic space group P-1 with the following unit cell parameters: a = 8.880 (5) Å, b = 10.529 (5) Å, c = 18.430 (5) Å, α = 99.407 (5)°, β = 102.174 (5)°, γ = 100.652 (5)°, V = 1618.2 (13) Å3, Z = 2, T = 293(2), μ(MoKα) = 0.77 mm-1, Dcalc = 1.582 g/cm3, 16135 reflections measured (5.050° ≤ 2θ ≤ 59.152°), 7648 unique, Rint = 0.034 which were used in all calculations. The final R1 was 0.066 (I ≥ 2σ(I)) and wR2 was 0.22 (all data). The compound 2 crystallizes in the monoclinic space group P21/c with the following unit cell parameters : a = 11...