scholarly journals Poly[[{μ4-2,2′-[butane-1,4-diylbis(sulfanediyl)]bis(1,3,4-thiadiazole)}silver(I)] perchlorate sesquihydrate]

2012 ◽  
Vol 68 (6) ◽  
pp. m845-m845
Author(s):  
Jia-Jia Li ◽  
Wei-Min Zhu

In the polymeric title compound, {[Ag(C8H10N4S4)]ClO4·1.5H2O} n , the AgI atom has a slightly distorted trigonal-planar coordination geometry provided by three N-atom donors from the thiadiazole rings of three symmetry-related 2,2′-[butane-1,4-diylbis(sulfanediyl)]bis(1,3,4-thiadiazole) ligands. Centrosymmetrically related AgI atoms are bridged by the N–N fragments of rings, forming six-membered dinuclear metallacycles, which are further linked by the alkyl spacers of the thiadiazole ligands into a layer network extending parallel to (0-21). The crystal structure is stabilized by intermolecular O—H...O hydrogen bonds. The O atoms of the perchlorate anion and one water molecule are disordered over two sets of sites with refined occupancy ratios of 0.640 (6):0.360 (6) and 0.663 (11):0.337 (11), respectively. The second water molecule shows half-occupancy.

2006 ◽  
Vol 62 (4) ◽  
pp. m668-m670
Author(s):  
Xin-Gen Hu ◽  
Hong-Ping Xiao

In the title compound, {[Co(C8H3BrO4)(C12H8N2)(H2O)]·H2O} n , each CoII ion is six-coordinated by three O atoms from three carboxylate groups of three 4-bromoisophthalate dianions, one water molecule, and two N atoms from a 1,10-phenanthroline ligand. The coordination geometry around the CoII cation is octahedral. Whereas the 1,10-phenanthroline ligand chelates to just one CoII cation, the 4-bromoisophthalate dianions are bonded to three CoII cations. The crystal structure is stabilized by several hydrogen bonds.


2007 ◽  
Vol 63 (11) ◽  
pp. m2646-m2647 ◽  
Author(s):  
Jing Li ◽  
Dapeng Dong ◽  
Yanyu Zhu ◽  
Zhengang Sun ◽  
Hui Chen

The title compound, [Cu{HO3PCH(OH)CO2}(H2O)]·2H2O, was prepared by a hydrothermal reaction. The distorted square-pyramidal coordination geometry of copper(II) is built up of one phosphonate O atom, one hydroxy O atom, two carboxylate O atoms and one water molecule. In the crystal structure, a number of O—H...O hydrogen bonds involving the hydroxy groups, carboxylate O atoms, phosphonate O atoms, and uncoordinated and coordinated water molecules are found.


Author(s):  
Abdelhakim Laachir ◽  
Fouad Bentiss ◽  
Salaheddine Guesmi ◽  
Mohamed Saadi ◽  
Lahcen El Ammari

In the mononuclear title complex, [Co(N3)2(C12H8N4S)2], the cobalt(II) atom is located on an inversion centre and displays an axially weakly compressed octahedral coordination geometry. The equatorial positions are occupied by the N atoms of two 2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole ligands, whereas the axial positions are occupied by N atoms of the azide anions. The thiadiazole and pyridine rings linked to the metal are almost coplanar, with a maximum deviation from the mean plane of 0.0273 (16) Å. The cohesion of the crystal is ensured by weak C—H...N hydrogen bonds and by π–π interactions between pyridine rings [intercentroid distance = 3.6356 (11) Å], forming a layered arrangement parallel to (001). The structure of the title compound is isotypic with that of the analogous nickel(II) complex [Laachiret al.(2013).Acta Cryst.E69, m351–m352].


2006 ◽  
Vol 62 (5) ◽  
pp. o1754-o1755
Author(s):  
Neng-Fang She ◽  
Sheng-Li Hu ◽  
Hui-Zhen Guo ◽  
An-Xin Wu

The title compound, C24H18Br2N4O2·H2O, forms a supramolecular structure via N—H...O, O—H...O and C—H...O hydrogen bonds. In the crystal structure, the water molecule serves as a bifurcated hydrogen-bond acceptor and as a hydrogen-bond donor.


IUCrData ◽  
2019 ◽  
Vol 4 (12) ◽  
Author(s):  
Kwang Ha

In the title compound, [Pd(C7H3NO4)(C10H8N2)]·H2O, the PdII cation is four-coordinated in a distorted square-planar coordination geometry defined by the two N atoms of the 2,2′-bipyridine ligand, one O atom and one N atom from the pyridine-2,6-dicarboxylate anion. The complex and solvent water molecule are linked by intermolecular hydrogen bonds. In the crystal, the complex molecules are stacked in columns along the a axis.


2012 ◽  
Vol 68 (6) ◽  
pp. m784-m784
Author(s):  
Jaroslava Haníková ◽  
Juraj Kuchár ◽  
Zdeněk Trávníček ◽  
Juraj Černák

The title compound, [Cu2(OH)2(C6H16N2)2(H2O)](BF4)2, consists of dinuclear centrosymmetric [Cu2(OH)2(tmen)2(H2O)]2+ complex cations (tmen = N,N,N′,N′-tetramethylethane-1,2-diamine) and tetrafluoridoborate anions. In the cation, the CuII atom shows a slightly distorted square-pyramidal coordination geometry provided by a pair of μ-OH− anions and by the N atoms of a chelate tmen ligand in the basal plane. The apical position is statistically occupied by the O atom of a half-occupancy water molecule. The F atoms of the anion are disordered over three sets of sites with occupancies of 0.598 (9):0.269 (6):0.134 (8). The crystal packing is governed by ionic forces as well as by O—H...F hydrogen bonds.


1999 ◽  
Vol 14 (3) ◽  
pp. 166-170
Author(s):  
J. A. Kaduk

The title compound was identified as the major phase in a corrosion deposit by indexing its powder pattern, and locating an isostructural vanadium(II) compound in the NIST Crystal Data Identification File. The identity of the compound was confirmed by a Rietveld refinement. Hexaaquairon(II) trifluoromethanesulfonate crystallizes in the monoclinic space group C2/m, with a=18.6415(14), b=6.9291(5), c=6.5938(5) Å, β=104.742(6)°, V=823.68(10) Å3, and Z=2. The structure consists of alternating layers of octahedral hexaaquairon(II) cations and triflate anions. The cations and anions are linked into layers parallel to the bc plane by hydrogen bonds. Each water molecule donates two protons to sulfonate oxygens, and each sulfonate oxygen acts as an acceptor of two protons. A reference powder diffraction pattern is reported.


2007 ◽  
Vol 63 (11) ◽  
pp. m2802-m2802 ◽  
Author(s):  
Yong Hou ◽  
Hongrong Zuo ◽  
Qian Huang ◽  
Chunlin Ni

The title compound, (C5H12N)2[Ni(C4N2S2)2], is a new [Ni(mnt)2]2− salt (mnt2− is 1,2-dicyanoethene-1,2-dithiolate) with piperidinium [(PIH)+] cations. The NiII ion lies on an inversion centre and the asymmetric unit contains a (PIH)+ cation and one half of the [Ni(mnt)2]2− anion. The NiII ion exhibits a square-planar coordination geometry. In the crystal structure, weak C—H...N, C—H...S and C—H...Ni hydrogen bonds are observed between the anions and the cations.


2012 ◽  
Vol 68 (6) ◽  
pp. m820-m821 ◽  
Author(s):  
Małgorzata Sikorska ◽  
Maria Gazda ◽  
Jaroslaw Chojnacki

The title compound {systematic name: bis(μ2-dihydrogen 4-azaniumyl-1-hydroxybutane-1,1-diphosphonato)bis[aqua(dihydrogen 4-azaniumyl-1-hydroxybutane-1,1-diphosphonato)nickel(II)] dihydrate}, [Ni2(C4H12NO7P2)4(H2O)2]·2H2O, was synthesiized under hydrothermal conditions. Its structure is isotypic with the CoII analogue. The crystal structure is built up from centrosymmetric dinuclear complex molecules and the structure is reinforced by a net of intermolecular O—H...O and N—H...O hydrogen bonds. One water molecule is bound to the NiII atom in the octahedral coordination sphere, while the second is part of the intermolecular hydrogen-bond system.


2009 ◽  
Vol 65 (6) ◽  
pp. m683-m683 ◽  
Author(s):  
Li-Zhuang Chen

In the title compound, (C6H6NO2)2[SbCl5]·H2O, the SbIIIatom exhibits a distorted square-pyramidal coordination geometry. The crystal structure is stabilized by intermolecular N—H...Cl, N—H...O, O—H...Cl and O—H...O hydrogen bonds, forming an extended three-dimensional network.


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