Results 1 to 10 of about 2,584 (187)
Acta Crystallographica Section E, 2011 The title compound, H3O+·C6H2N3O7−, consists of one picrate anion and one oxonium cation. The oxonium cation is located on a crystallographic twofold axis and both its H atoms are disordered, each over two symmetry-equivalent positions
Shou-Wen Jin +4 more
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Liquid-Liquid Extraction of Transition Metal Cations by Glyoximes and Their Macrocyclic Glyoxime Ether Derivatives [PDF]
Journal of Chemistry, 2013 Liquid-liquid extraction of various alkalis (Li+, Na+, K+, and Cs+), transition metals (Co2+, Ni2+, Cu2+, Zn2+, Cd2+, and Hg2+), and Pb2+ cations with phenylglyoxime (L1), p-tolylglyoxime (L2), N′-(4′-Benzo[15-crown-5])phenylaminoglyoxime (L3), and N ...
Nazan Karapinar +2 more
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Acta Crystallographica Section E Structure Reports Online, 2011 IN THE CATION OF THE TITLE COMPOUND [SYSTEMATIC NAME: (RS)-4-(3-carb-oxy-1-ethyl-6,8-difluoro-4-oxo-1,4-dihydro-quinolin-7-yl)-2-methyl-piperazin-1-ium 2,4,6-trinitro-phenolate], C(17)H(20)F(2)N(3)O(3) (+)·C(6)H(2)N(3)O(7) (-), the piper-azine ring adopts a slightly distorted chair conformation and contains a protonated N atom. An intra-molecular O-H⋯O
Jasinski, J. P. +4 more
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Crystals, 2023 The crystal structures of two pseudopolymorphic forms of S(+)clopidogrel–picrate are reported. Form 1 crystallizes in the monoclinic space group P21 with an ionic couple S(+)ClopH+·Pic− and a molecule of solvent ethanol in the asymmetric unit, while Form
Aleksandar Cvetkovski +6 more
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Acta Crystallographica Section E Structure Reports Online, 2011 There is one cation-anion pair in the asymmetric unit of the title compound [systematic name: 4-(3-carb-oxy-6-fluoro-4-oxo-1,4-dihydroquinolin-7-yl)-1-ethyl-piperazin-1-ium 2,4,6-tri-nitro-phenolate], C(19)H(23)FN(3)O(3) (+)·C(6)H(2)N(3)O(7) (-). The six-membered piperazine group in the cation adopts a slightly distorted chair conformation and contains
Jasinski, J. P. +4 more
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Acta Crystallographica Section E Structure Reports Online, 2009 THE TITLE COMPOUND [SYSTEMATIC NAME: 4-(2,2-diphenyl-2-prop-oxyacet-oxy)-1-methyl-piperidin-1-ium picrate], C(23)H(30)NO(3) (+)·C(6)H(2)N(3)O(7) (-), crystallizes as a salt with one cation-anion (propiverinium picrate) pair in the asymmetric unit. A significant number of conformational changes are observed between the crystalline environment of this ...
Jasinski, Jerry P. +4 more
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Acta Crystallographica Section E Structure Reports Online, 2011 In the crystal structure of the title compound, C(6)H(6)N(3) (+)·C(6)H(2)N(3)O(7) (-), anions and cations are linked into chains along [010] by inter-molecular N-H⋯O hydrogen bonds. These chains are further stabilized by weak C-H⋯O hydrogen bonds and π-π stacking inter-actions with a centroid-centroid distance of 3.908 (1) Å.
Bo Zeng, Ji Li, Guo-dong Wang
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Chlorimipraminium picrate [PDF]
Acta Crystallographica Section E Structure Reports Online, 2010 The title compound {systematic name: 3-chloro-5-[3-(dimethyl-amino)prop-yl]-10,11-dihydro-5H-dibenz[b,f]azepinium picrate}, C(19)H(24)ClN(2) (+)·C(6)H(2)N(3)O(7) (-), crystallizes with two independent cation-anion pairs in the asymmetric unit. The chlorimipraminium cation contains two benzene rings (one with a chloro substituent) fused to a V-shaped ...
Jasinski, Jerry P. +4 more
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Acta Crystallographica Section E Structure Reports Online, 2010 IN THE CATION OF THE TITLE SALT (SYSTEMATIC NAME: 5-{5-chloro-3-[4-(methyl-sulfon-yl)phen-yl]-2-pyrid-yl}-2-methyl-pyridinium 2,4,6-trinitro-phenolate), C(18)H(16)ClN(2)O(2)S(+)·C(6)H(2)N(3)O(7) (-), the mean planes of the two pyridine rings in the bipyridine unit are twisted by 33.9 (2)° with respect to each other. The dihedral angles between the mean
Jasinski, J. P. +4 more
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Acta Crystallographica Section E Structure Reports Online, 2010 The title compound, C(13)H(13)F(2)N(6)O(+)·C(6)H(2)N(3)O(7) (-), is the first structurally characterized salt of the cation of fluconazole [systematic name 2-(2,4-difluorophenyl)-1,3-bis(1H-1,2,4-triazol-1-yl)propan-2-ol], a synthetic anti-fungal agent.
Dutkiewicz, Grzegorz +4 more
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