scholarly journals Crystal structure of aquatris{μ-N-[bis(diethylamino)phosphoryl]-2,2,2-trichloroacetamidato-κ3O,O′:O}calciumsodium

2016 ◽  
Vol 72 (12) ◽  
pp. 1683-1686 ◽  
Author(s):  
Iuliia Shatrava ◽  
Kateryna Gubina ◽  
Vladimir Ovchynnikov ◽  
Viktoriya Dyakonenko ◽  
Vladimir Amirkhanov
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Water Molecules ◽  
Carbonyl Groups ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Phosphoryl Groups ◽  
Cl Atoms ◽  
Distorted Octahedral Coordination Environment

In the molecular structure of the title compound, [CaNa(C10H20Cl3N3O2P)3(H2O)], the Ca2+ion has a slightly distorted octahedral coordination environment defined by six O atoms which belong to the carbonyl and phosphoryl groups of the three coordinating ligands. Two Cl atoms of CCl3groups and four O atoms form the coordination environment of the Na+ion: three from the carbonyl groups of ligands and one O atom from a coordinating water molecule. In the crystal, the bimetallic complexes are assembled into chains along thec-axis directionviaO—H...O hydrogen bonds that involve the coordinating water molecules and the phosphoryl groups.

scholarly journals Crystal structure of tetraaquabis(1,3-dimethyl-2,6-dioxo-7H-purin-7-ido-κN7)cobalt(II)

2017 ◽  
Vol 73 (9) ◽  
pp. 1302-1304 ◽  
Author(s):  
Hicham El Hamdani ◽  
Mohammed El Amane ◽  
Carine Duhayon
Keyword(s):  
Crystal Structure ◽  
Three Dimensional ◽  
Title Complex ◽  
Water Molecules ◽  
Supramolecular Network ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Intramolecular Hydrogen ◽  
Distorted Octahedral Coordination Environment

The title complex, [Co(C7H7N4O2)2(H2O)4], comprises mononuclear molecules consisting of a CoIIion, two deprotonated theophylline ligands (systematic name: 1,3-dimethyl-7H-purine-2,6-dione) and four coordinating water molecules. The CoIIatom lies on an inversion centre and has a slightly distorted octahedral coordination environment, with two N atoms of twotrans-oriented theophylline ligands and the O atoms of four water molecules. An intramolecular hydrogen bond stabilizes this conformation. A three-dimensional supramolecular network structure is formed by intermolecular O—H...O and O—H...N hydrogen bonds.

scholarly journals Crystal structure ofcatena-poly[[[diaquacobalt(II)]-bis(μ-hex-3-enedinitrile-κ2N:N′)] bis(tetrafluoridoborate)]

2015 ◽  
Vol 71 (6) ◽  
pp. m135-m136
Author(s):  
Jung-Su Son ◽  
Sung-Chul Lim ◽  
Hochun Lee ◽  
Seung-Tae Hong
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Three Dimensional ◽  
Water Molecules ◽  
Counter Anion ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Distorted Octahedral Coordination Environment

In the structure of the title salt, [Co(C6H6N2)2(H2O)2](BF4)2, the CoIIatom is located on an inversion centre. The transition metal is in a slightly distorted octahedral coordination environment, defined by the cyano N atoms of four hex-3-enedinitrile ligands in equatorial positions and the O atoms of two water molecules in axial positions. The bridging mode of the hex-3-enedinitrile ligands leads to the formation of cationic chains extending parallel to [1-10]. The BF4−counter-anion is disordered over two sets of sites [occupancy ratio = 0.512 (19):0.489 (19)]. It is located in the voids between the cationic chains and is connected to the aqua ligands of the latter through O—H...F hydrogen bonds. One methylene H atom of the hex-3-enedinitrile ligand forms another and weak C—H...O hydrogen bond with a water O atom of a neighbouring chain, thus consolidating the three-dimensional network structure.

scholarly journals Crystal structure of aqua[N-(2-oxidobenzyl-κO)-L-leucinato-κ2N,O](1,10-phenanthroline-κ2N,N′)nickel(II) pentahydrate

2015 ◽  
Vol 71 (2) ◽  
pp. 195-198 ◽  
Author(s):  
Md. Serajul Haque Faizi ◽  
Natalia O. Sharkina
Keyword(s):  
Crystal Structure ◽  
Three Dimensional ◽  
Water Molecules ◽  
Complex Molecules ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Phenanthroline Ligand ◽  
Distorted Octahedral Coordination Environment

In the title compound, [Ni(C13H17NO3)(C12H8N2)(H2O)]·5H2O, the NiIIatom is in a distorted octahedral coordination environment provided by the two N atoms of one bidentate phenanthroline ligand and two O atoms and one N atom from a tridentate 2-[(2-hydroxybenzyl)amino]-4-methylpentanoic acid (HAMA) ligand and one water molecule. The complex was prepared by the reaction of nickel(II) nitrate with HAMA in the presence of 1,10-phenanthroline in a 1:1:1 ratio. In the crystal, the complex molecules and solvate water molecules are associatedviaO—H...O hydrogen bonds into a three-dimensional network.

scholarly journals Crystal structure of bis[N,N-bis(2-hydroxyethyl)glycinato-κ3O1,N,O2]cobalt(II) monohydrate

2015 ◽  
Vol 71 (11) ◽  
pp. m199-m200 ◽  
Author(s):  
Yang Liu ◽  
Dan Zhou ◽  
Hai-Hui Liu ◽  
Chen-Cong He
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Water Molecules ◽  
Hydrogen Bond Donor ◽  
Apical Position ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Donor And Acceptor ◽  
Distorted Octahedral Coordination Environment

The title compound, [Co(C6H12O4)2]·H2O, was prepared by mild heating of an aqueous solution. The CoIIion has a slightly distorted octahedral coordination environment which is defined by two N atoms occupying the apical position, while the equatorial plane is furnished by two hydroxy O atoms and two carboxylate O atoms. The four hydroxy O atoms from two distinctN,N-bis(2-hydroxyethyl)glycine (bicH2−) ligands act as hydrogen-bond donors with two carboxylate O atoms as acceptors to form O—H...O hydrogen-bonded layers extending parallel to (100). In addition, the guest water molecule acts as both a hydrogen-bond donor and acceptor, so that each Co(bicH2)2molecule is connected simultaneously to six neighbouring Co(bicH2)2and two guest water molecules by hydrogen bonding.

scholarly journals Bis(2-methoxyanilinium) hexabromidostannate(IV) dihydrate

2013 ◽  
Vol 69 (12) ◽  
pp. m678-m679 ◽  
Author(s):  
Hassen Chouaib ◽  
Sahel Karoui ◽  
Slaheddine Kamoun ◽  
Francois Michaud
Keyword(s):  
Lattice Water Molecule ◽  
Water Molecules ◽  
Inversion Center ◽  
Asymmetric Unit ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Lattice Water ◽  
Compound C ◽  
Distorted Octahedral ◽  
Distorted Octahedral Coordination Environment

The asymmetric unit of the title compound, (C7H10NO)2[SnBr6]·2H2O, contains one cation, one half-dianion and one lattice water molecule. The [SnBr6]2−dianion, located on an inversion center, exhibits a highly distorted octahedral coordination environment, with Sn—Br bond lengths ranging from 2.2426 (9) to 3.0886 (13) Å. In the crystal, O—H...Br, N—H...Br, N—H...O and C—H...Br hydrogen bonds consolidate the packing, which can be described as consisting of alternating anionic (containing dianions and lattice water molecules) and cationic layers parallel toabplane.

scholarly journals Bis[2-(2-aminoethyl)-1H-benzimidazole-κ2 N 2,N 3](nitrato-κ2 O,O′)cobalt(II) chloride trihydrate

2012 ◽  
Vol 68 (6) ◽  
pp. m711-m712
Author(s):  
Jing Zhao ◽  
Heng Zhang ◽  
Guoyi Zhu
Keyword(s):  
Three Dimensional ◽  
Water Molecules ◽  
Nitrate Anion ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Benzene Rings ◽  
Chloride Trihydrate ◽  
Distorted Octahedral Coordination Environment

In the title compound, [Co(NO3)(C9H11N3)2]Cl·3H2O, the CoII atom is coordinated by four N atoms from two chelating 2-(2-aminoethyl)-1H-benzimidazole ligands and two O atoms from one nitrate anion in a distorted octahedral coordination environment. In the crystal, N—H...Cl, N—H...O, O—H...Cl and O—H...O hydrogen bonds link the complex cations, chloride anions and solvent water molecules into a three-dimensional network. π–π interactions between the imidazole and benzene rings and between the benzene rings are observed [centroid–centroid distances = 3.903 (3), 3.720 (3), 3.774 (3) and 3.926 (3) Å].

scholarly journals Crystal structure of 4-(dimethylamino)pyridiniumcis-diaquabis(oxalato-κ2O,O′)ferrate(III) hemihydrate

2015 ◽  
Vol 71 (8) ◽  
pp. 934-936 ◽  
Author(s):  
Edith Dimitri Djomo ◽  
Frédéric Capet ◽  
Justin Nenwa ◽  
Michel M. Bélombé ◽  
Michel Foulon
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Bond Length ◽  
Three Dimensional ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Ionic Components ◽  
Distorted Octahedral Coordination Environment

The FeIIIions in the hybrid title salt, (C7H11N2)[Fe(C2O4)2(H2O)2]·0.5H2O, show a distorted octahedral coordination environment, with four O atoms from two chelating oxalate dianions and two O atoms from twocisaqua ligands. The average Fe—O(oxalate) bond length [2.00 (2) Å] is shorter than the average Fe—O(water) bond length [2.027 (19) Å]. The ionic components are connectedviaintermolecular N—H...O and O—H...O hydrogen bonds into a three-dimensional network.

scholarly journals Dibromidobis[1-(2-bromobenzyl)-3-(pyrimidin-2-yl)-1H-imidazol-2(3H)-one]copper(II)

2012 ◽  
Vol 68 (6) ◽  
pp. m785-m785 ◽  
Author(s):  
Chun-Xin Lu
Keyword(s):  
Bond Length ◽  
Dihedral Angle ◽  
Title Complex ◽  
Carbonyl Groups ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Carbonyl Bond ◽  
Coordination Plane ◽  
Distorted Octahedral Coordination Environment

In the title complex, [CuBr2(C14H11BrN4O)2], the CuII ion is located on an inversion centre and is coordinated by two ketonic O atoms, two N atoms and two Br atoms, forming a distorted octahedral coordination environment. The two carbonyl groups are trans positioned with C=O bond lengths of 1.256 (5) Å, in agreement with a classical carbonyl bond. The Cu—O bond length is 2.011 (3) Å. The two bromobenzyl rings are approximately parallel to one another, forming a dihedral angle of 70.1 (4)° with the coordination plane.

scholarly journals catena-Poly[[diaqua(1H-imidazo[4,5-f][1,10]phenanthroline)cobalt(II)]-μ-sulfato]

2009 ◽  
Vol 65 (6) ◽  
pp. m618-m618 ◽  
Author(s):  
Jian Yu
Keyword(s):  
Three Dimensional ◽  
Title Complex ◽  
Water Molecules ◽  
Coordination Environment ◽  
One Dimensional ◽  
Distorted Octahedral Coordination ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Coordinated Water ◽  
Distorted Octahedral Coordination Environment

The CoIIion in the title complex, [Co(SO4)(C13H8N4)(H2O)2]n, has a slightly distorted octahedral coordination environment formed by two O atoms from two symmetry-related bridging sulfate ligands, two N atoms from a bis-chelating 1H-imidazo[4,5-f][1,10]phenanthroline (IPL) ligand and two O atoms from coordinated water molecules. The bridging sulfate ligands connect CoIIions to form a one-dimensional chain along theb-axis direction. In the crystal structure, intermolecular O—H...O, O—H...N and N—H...O hydrogen bonds link the chains into a three-dimensional network.

scholarly journals Crystal structure of tris(trans-1,2-cyclohexanediamine-κ2N,N′)chromium(III) tetrachloridozincate chloride trihydrate from synchrotron data

2016 ◽  
Vol 72 (5) ◽  
pp. 671-674 ◽  
Author(s):  
Dohyun Moon ◽  
Jong-Ha Choi
Keyword(s):  
Crystal Packing ◽  
Three Dimensional ◽  
Water Molecules ◽  
Coordination Environment ◽  
Bite Angle ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
The Mean ◽  
Cl Atoms ◽  
Distorted Octahedral Coordination Environment

The structure of the title double salt, [Cr(rac-chxn)3][ZnCl4]Cl·3H2O (chxn istrans-1,2-cyclohexanediamine; C6H14N2), has been determined from synchrotron data. The CrIIIion is coordinated by six N atoms of three chelating chxn ligands, displaying a slightly distorted octahedral coordination environment. The distorted tetrahedral [ZnCl4]2−anion, the isolated Cl−anion and three lattice water molecules remain outside the coordination sphere. The Cr—N(chxn) bond lengths are in a narrow range between 2.0737 (12) and 2.0928 (12) Å; the mean N—Cr—N bite angle is 82.1 (4)°. The crystal packing is stabilized by hydrogen-bonding interactions between the amino groups of the chxn ligands and the water molecules as donor groups, and O atoms of the water molecules, chloride anions and Cl atoms of the [ZnCl4]2−anions as acceptor groups, leading to the formation of a three-dimensional network. The [ZnCl4]2−anion is disordered over two sets of sites with an occupancy ratio of 0.94:0.06.

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