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Advanced Search Results For "Chetioui S"

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 "Chetioui S"
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Étude des dommages induits dans l'ADN par irradiation laser X-UV à 21.2 nm

Publication Type: Periodical

Source(s): Journal de Physique IV - Proceedings; June 2005, Vol. 127 Issue: 1 p177-180, 4p

Abstract: We report the preliminary result of the application of the collisional Ne-like soft x-ray laser as radiation source to induce DNA damage. The goal of this experiment was a test bed study of the damage yields induced by soft x-ray radiation in dried ...

Synthesis and crystal structure of 2-(1,3-dithietan-2-yl-idene)cyclo-hexane-1,3-dione.

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Oct 13; Vol. 78 (Pt 11), pp. 1118-1121. Date of Electronic Publication: 2022 Oct 13 (Print Publication: 2022).

Abstract: The title compound, C 8 H 8 O 2 S 2 , contains a cyclo-hexane-1,3-dione ring, which has a twist-boat conformation. The C 2 S 2 ring is close to planar (r.m.s. deviation = 0.023 Å) and the dihedral angle between the mean planes of the cyclo-hexane and 1...

Crystal structure and Hirshfeld surface analysis of 1-[( E )-2-(5-chloro-2-hy-droxy-phen-yl)hydrazin-1-yl-idene]naphthalen-2(1 H )-one.

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2021 May 28; Vol. 77 (Pt 6), pp. 672-676. Date of Electronic Publication: 2021 May 28 (Print Publication: 2021).

Abstract: The title compound, C 16 H 11 ClN 2 O 2 , was obtained by diazo-tization of 2-amino-4-chloro-phenol followed by a coupling reaction with β-naphthol. There are two mol-ecules ( A and B ) in the asymmetric unit. The crystal structure features only one ty...

Crystal structure, characterization and Hirshfeld analysis of bis-{( E )-1-[(2,4,6-tri-bromo-phen-yl)diazen-yl]naphthalen-2-olato}copper(II) dimethyl sulfoxide monosolvate.

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2020 Feb 18; Vol. 76 (Pt 3), pp. 382-386. Date of Electronic Publication: 2020 Feb 18 (Print Publication: 2020).

Abstract: In the title compound, [Cu(C 16 H 8 Br 3 N 2 O) 2 ]·C 2 H 6 OS, the Cu II atom is tetra-coordinated in a square-planar coordination, being surrounded by two N atoms and two O atoms from two N , O -bidentate ( E )-1-[(2,4,6-tri-bromo-phen-yl)diazen-yl]n...

Crystal structure and Hirshfeld surface analysis of (2 E ,2' E )-1,1'-[seleno-bis-(4,1-phenyl-ene)]bis-[3-(4-chloro-phen-yl)prop-2-en-1-one].

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2019 Oct 22; Vol. 75 (Pt 11), pp. 1724-1728. Date of Electronic Publication: 2019 Oct 22 (Print Publication: 2019).

Abstract: In the title com-pound, C 30 H 20 Cl 2 O 2 Se, the C-Se-C angle is 99.0 (2)°, with the dihedral angle between the planes of the attached benzene rings being 79.1 (3)°. The average endocyclic angles (Se-C-C) facing the Se atom are 122.1 (5) and 122.2 (5...

Crystal structures of a copper(II) and the isotypic nickel(II) and palladium(II) complexes of the ligand (E)-1-[(2,4,6-tri-bromo-phen-yl)diazen-yl]naphthalen-2-ol.

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2016 Jul 12; Vol. 72 (Pt 8), pp. 1093-8. Date of Electronic Publication: 2016 Jul 12 (Print Publication: 2016).

Abstract: In the copper(II) complex, bis-{(E)-1-[(2,4,6-tri-bromo-phen-yl)diazen-yl]naph-thalen-2-olato}copper(II), [Cu(C16H8Br3N2O)2], (I), the metal cation is coord-inated by two N atoms and two O atoms from two bidentate (E)-1-[(2,4,6-tri-bromo-phen-yl)diazen...

Crystal structure of bis-{μ-1-[(E)-(3-meth-oxy-phen-yl)diazen-yl]naphthalen-2-olato-κ(3) N (2),O:O}bis-({1-[(E)-(3-meth-oxy-phen-yl)diazen-yl]naphthalen-2-olato-κ(2) N (2),O}copper(II)).

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2015 Nov 07; Vol. 71 (Pt 12), pp. m211-2. Date of Electronic Publication: 2015 Nov 07 (Print Publication: 2015).

Abstract: The title dinuclear Cu(II) complex, [Cu2(C17H13N2O2)4], is located on an inversion centre. The Cu(II) atoms are each five-coordinated in a distorted square-pyramidal geometry by two N atoms and two O atoms from two bidentate ligands and one bridging O ...

Crystal structure of bis-{1-[(E)-(2-meth-oxy-phen-yl)diazen-yl]naphthalen-2-olato-κ(3) O,N (2),O'}copper(II) containing an unknown solvate.

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2015 Oct 31; Vol. 71 (Pt 11), pp. m207-8. Date of Electronic Publication: 2015 Oct 31 (Print Publication: 2015).

Abstract: The title complex, [Cu(C17H13N2O2)2], crystallizes with two independent mol-ecules in the asymmetric unit. Each Cu(II) atom has a distorted ocahedral coordination environment defined by two N atoms and four O atoms from two tridentate 1-[(E)-(2-meth-ox...

(E)-1-(2-Phenyl-diazen-2-ium-1-yl)naph-thalen-2-olate.

Publication Type: Academic Journal

Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2013 Jul 27; Vol. 69 (Pt 8), pp. o1335-6. Date of Electronic Publication: 2013 Jul 27 (Print Publication: 2013).

Abstract: In the title zwitterionic compound, C16H12N2O, the dihedral angle between the phenyl ring and the naphthalene ring system is 17.85 (8)°; an intra-molecular N-H⋯O hydrogen bond occurs. In the crystal, π-π stacking is observed between naphthalene ring sy...

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