scholarly journals Bis(2,2′-bipyridyl-κ2N,N′)chloridonickel(II) nitrate trihydrate

2014 ◽  
Vol 70 (5) ◽  
pp. m190-m191 ◽  
Author(s):  
Mehdi Boutebdja ◽  
Adel Beghidja ◽  
Chahrazed Beghidja ◽  
Zouaoui Setifi ◽  
Hocine Merazig
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Three Dimensional ◽  
Chloride Ion ◽  
Stacking Interactions ◽  
Trigonal Bipyramidal Geometry ◽  
Trigonal Bipyramidal ◽  
Nitrate Trihydrate ◽  
Hydrated Salt ◽  
Dimensional Network

In the title hydrated salt, [NiCl(C10H8N2)2](NO3)·3H2O, the Ni2+ion is coordinated by two 2,2′-bipyridyl (2,2′-bpy) ligands and a chloride ion in a trigonal–bipyramidal geometry. The chloride ion occupies an equatorial site and the dihedral angle between the 2,2′-bpy ring systems is 72.02 (6)°. In the crystal, the components are linked by C—H...O and O—H...O hydrogen bonds and aromatic π–π stacking interactions [shortest centroid–centroid separation = 3.635 (2) Å], generating a three-dimensional network.

scholarly journals Crystal structure of aquabis[2-(1H-benzimidazol-2-yl-κN3)aniline-κN]zinc dinitrate

2015 ◽  
Vol 71 (4) ◽  
pp. m85-m86 ◽  
Author(s):  
Yongtae Kim ◽  
Sung Kwon Kang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Equatorial Plane ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Aqua Ligand ◽  
Trigonal Bipyramidal ◽  
Dimensional Network ◽  
Distorted Trigonal Bipyramidal

The cation of the complex title salt, [Zn(C13H11N3)2(H2O)](NO3)2, lies about a twofold rotation axis, which passes through the ZnIIatom and the O atom of the aqua ligand. The ZnIIatom adopts a distorted trigonal–bipyramidal geometry defined by two N atoms in axial positions [angle = 166.24 (7)°], and two N and one O atom in the equatorial plane [range of angles: 115.17 (7)–122.42 (3)°]. The dihedral angle between the imidazole and aniline rings is 23.86 (5)°. In the crystal, N—H...O and O—H...O hydrogen bonds link the components into a three-dimensional network.

scholarly journals N-(3-Chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-N-propionylpropionamide

2014 ◽  
Vol 70 (2) ◽  
pp. o102-o102
Author(s):  
Nabil Idris ◽  
Ray J. Butcher ◽  
Oladapo Bakare
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Carbonyl Groups ◽  
Π Stacking ◽  
Dimensional Network ◽  
Centroid Distance ◽  
Title Molecule ◽  
Imide Group

In the title molecule, C16H14ClNO4, the four essentially planar atoms of the imide group [r.m.s. deviation = 0.0286 (11) Å] form a dihedral angle of 77.36 (13)° with the naphthoquinone group [maximun deviation = 0.111 (2) Å for the carbonyl O atom in the naphthalene 1-position] and the two imide carbonyl groups are orientedantiwith respect to each other. In the crystal, molecules are connected by weak C—H...O hydrogen bonds, as well as π–π stacking interactions [centroid–centroid distance = 3.888 (3) Å], forming a three-dimensional network.

scholarly journals tert-Butyl 3-amino-5-bromo-1H-indazole-1-carboxylate

IUCrData ◽  
2021 ◽  
Vol 6 (7) ◽  
Author(s):  
Aravazhi Amalan Thiruvalluvar ◽  
Raviraj Kusanur ◽  
Makuteswaran Sridharan
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Tert Butyl ◽  
Compound C ◽  
Π Stacking ◽  
Dimensional Network ◽  
Benzene Rings

In the title compound, C12H14BrN3O2, the pyrazole and benzene rings are nearly co-planar with a dihedral angle between the rings of 2.36 (5)°. In the crystal, inversion dimers linked by pairwise N—H...N hydrogen bonds generate R 2 2(8) loops. The dimers are linked into a three-dimensional network by weak aromatic π–π stacking interactions [centroid–centroid separation = 3.7394 (6) Å] and C—H...O and C—H...Br hydrogen bonds.

scholarly journals 1-(3-Methoxyphenyl)-2-(phenylsulfonyl)ethan-1-one

2012 ◽  
Vol 68 (8) ◽  
pp. o2562-o2562 ◽  
Author(s):  
Sammer Yousuf ◽  
Sarosh Iqbal ◽  
Nida Ambreen ◽  
Khalid M. Khan
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Compound C ◽  
Π Stacking ◽  
Dimensional Network ◽  
Phenyl Rings

In the title compound, C15H14O4S, the dihedral angle between the benzene and phenyl rings is 88.74 (10)°. In the crystal, molecules are linked into a three-dimensional network by C—H...O hydrogen bonds and π–π stacking interactions [centroid–centroid distances = 3.6092 (13)–3.8651 (13) Å].

scholarly journals A new polymorph of aquabis(1,10-phenanthroline-κ2N,N′)copper(II) dinitrate

2014 ◽  
Vol 70 (5) ◽  
pp. m185-m186 ◽  
Author(s):  
Mehdi Boutebdja ◽  
Asma Lehleh ◽  
Adel Beghidja ◽  
Zouaoui Setifi ◽  
Hocine Merazig
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Three Dimensional ◽  
Space Groups ◽  
Trigonal Bipyramidal Geometry ◽  
Trigonal Bipyramidal ◽  
Dimensional Network ◽  
Title Molecule ◽  
Nitrate Anions ◽  
Phenanthroline Ligands

The title molecule, [Cu(C12H8N2)2(H2O)](NO3)2, is a new polymorph of a compound which up to now has been reported to crystallize space groups inC2/candCc. The crystal studied was twinned by non-merohedry (final BASF factor of 0.40043) with the structure being solved and refined inP-1. The CuIIatom is coordinated by four N atoms from two 1,10-phenanthroline ligands and an O atom from a water molecule in an approximate trigonal–bipyramidal geometry. Discrete entities of one cation and two nitrate anions are formed by water–nitrate O—H...O hydrogen bonds. The components are further assembled into a three-dimensional network by C—H...O hydrogen bonds.

scholarly journals Diethyl 4-(3-ethoxy-4-hydroxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

IUCrData ◽  
2017 ◽  
Vol 2 (7) ◽  
Author(s):  
N. L. Prasad ◽  
Noor Shahina Begum
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Axial Orientation ◽  
Boat Conformation ◽  
Stacking Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
Dihydropyridine Ring

In the title compound, C21H27NO6, the 1,4-dihydropyridine ring adopts a shallow boat conformation, with the 3-ethoxy-4-hydroxyphenyl substituent in an axial orientation [dihedral angle between ring planes = 85.49 (12)°]. In the crystal, N—H...O and O—H...O hydrogen bonds link the molecules into (001) sheets. The packing is consolidated by C—H...O and π–π stacking interactions, which leads to a three-dimensional network.

scholarly journals Crystal structure of 1-methyl-2-methylamino-3-nitro-1H-chromeno[2,3-b]pyridin-5(10aH)-one

2015 ◽  
Vol 71 (11) ◽  
pp. o824-o825
Author(s):  
Rajamani Raja ◽  
Nataraj Poomathi ◽  
Paramasivam T. Perumal ◽  
A. SubbiahPandi
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Pyran Ring ◽  
Compound C ◽  
Dimensional Network

In the title compound, C14H13N3O4, the pyran ring adopts an envelope conformation with the methine C atom as the flap. The dihedral angle between the benzene and hydropyridine rings is 29.33 (3)°. The methylamine C atom deviates from the plane of its attached ring by 0.380 (5) Å and an intramolecular N—H...O hydrogen bond closes anS(6) ring. In the crystal, weak C—H...O hydrogen bonds and aromatic π–π stacking interactions [centroid–centroid distances vary from 3.6529 (10) to 3.6872 (10) Å] link the molecules, generating a three-dimensional network.

scholarly journals Crystal structure of 8-hydroxyquinolinium 2-carboxy-6-nitrobenzoate monohydrate

2015 ◽  
Vol 71 (4) ◽  
pp. o261-o262 ◽  
Author(s):  
M. Divya Bharathi ◽  
G. Ahila ◽  
J. Mohana ◽  
G. Chakkaravarthi ◽  
G. Anbalagan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Three Dimensional ◽  
Carboxylate Group ◽  
Hydrated Salt ◽  
Dimensional Network

In the title hydrated salt, C9H8NO+·C8H4NO6−·H2O, the deprotonated carboxylate group is almost normal to its attached benzene ring [dihedral angle = 83.56 (8)°], whereas the protonated carboxylate group is close to parallel [dihedral angle = 24.56 (9)°]. In the crystal, the components are linked by N—H...O and O—H...O hydrogen bonds, generating [001] chains. The packing is consolidated by C—H...O and π–π [centroid-to-centroid distances = 3.6408 (9) and 3.6507 (9) Å] interactions, which result in a three-dimensional network.

scholarly journals Crystal structure of 5-[(4-carboxybenzyl)oxy]isophthalic acid

2016 ◽  
Vol 72 (8) ◽  
pp. 1219-1222
Author(s):  
Md. Serajul Haque Faizi ◽  
Musheer Ahmad ◽  
Akram Ali ◽  
Vadim A. Potaskalov
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Molecular Shape ◽  
Isophthalic Acid ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

The molecular shape of the title compound, C16H12O7, is bent around the central CH2—O bond. The two benzene rings are almost perpendicular to one another, making a dihedral angle of 87.78 (7)°. In the crystal, each molecule is linked to three others by three pairs of O—H...O hydrogen bonds, forming undulating sheets parallel to thebcplane and enclosingR22(8) ring motifs. The sheets are linked by C—H...O hydrogen bonds and C—H...π interactions, forming a three-dimensional network.

scholarly journals Crystal structure of 2-bromo-1,4-dihydroxy-9,10-anthraquinone

2014 ◽  
Vol 70 (10) ◽  
pp. o1130-o1130 ◽  
Author(s):  
Wataru Furukawa ◽  
Munenori Takehara ◽  
Yoshinori Inoue ◽  
Chitoshi Kitamura
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Compound C ◽  
Π Stacking ◽  
Dimensional Network

In an attempt to brominate 1,4-dipropoxy-9,10-anthraquinone, a mixture of products, including the title compound, C14H7BrO4, was obtained. The molecule is essentially planar (r.m.s. deviation = 0.029 Å) and two intramolecular O—H...O hydrogen bonds occur. In the crystal, the molecules are linked by weak C—H...O hydrogen bonds, Br...O contacts [3.240 (5) Å], and π–π stacking interactions [shortest centroid–centroid separation = 3.562 (4) Å], generating a three-dimensional network.

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