Synthesis and crystal structure of trans-tetraqua-bis(2-(((7-hydroxy-3-(4-hydroxy-3-sulfonatophenyl)-4-oxo-4H-chromen-8-yl)methyl)ammonio)acetato-κO)cobalt(II) hexahydrate, C36H48CoN2O28S2
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چکیده
منابع مشابه
Crystal structure of 2-(4-tert-butylphenyl)-3-hydroxy-4H-chromen-4-one
Yellow-green fluorescent crystals of the title compound, C19H18O3, were obtained by the reaction of hy-droxy-aceto-phenone and 4-tert-butyl-benzaldehyde with hydrogen peroxide as oxidant. The plane of the benzene ring is slightly twisted to the mean plane of the 4H-chromene-4-one moiety (r.m.s. deviation = 0.0191 Å) by 10.53 (8)°. In the crystal, mol-ecules are linked by pairs of O-H⋯O hydrogen...
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In the title compound, C11H8O3, the fused-ring system is almost planar (r.m.s. deviation = 0.020 Å), with the largest deviation from the least-squares plane [0.0462 (17) Å] being for a pyran C atom. The dihedral angle between the plane of the fused-ring system and acetyl plane is 5.149 (16)°. In the crystal, the fused rings are linked by aromatic π-π stacking inter-actions [centroid-centroid di...
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In the title compound, C23H14Cl4N2O7, the pyran ring has an envelope conformation with the methine C atom as the flap. The chromene rings are almost planar (r.m.s. deviations of 0.027 and 0.018 Å) and their mean planes are inclined to one another by 85.61 (10)°. The mean planes of the pyran ring and the chromene ring fused to it are inclined to one another by 7.41 (13)°. The mol-ecular structur...
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In the title compound, C12H11N3O2S, the dihedral angle between the 4H-chromen-4-one ring system and the -CH=N-NH-CS-NH- unit is 6.22 (1)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds generate R 2 (2)(14) loops. The dimers are reinforced by a pair of C-H⋯O inter-actions, which generate R 2 (2)(10) loops.
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In the title compound, C10H6O4, also known as 3-carb-oxy-chromone, the non-H atoms of the chromone ring are essentially coplanar (r.m.s. deviation = 0.0057 Å), with the maximum deviation from their least-squares plane [0.011 (2) Å] being for a pyran C atom. The dihedral angle between the fused ring and plane of the carb-oxy group is 3.06 (2)°. An intra-molecular hydrogen bond is formed between ...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2017
ISSN: 2197-4578,1433-7266
DOI: 10.1515/ncrs-2017-0153