scholarly journals Crystal structure of bis{2-[bis(2-hydroxyethyl)amino]ethanol-κ3O,N,O′}zinc terephthalate

2014 ◽  
Vol 70 (11) ◽  
pp. m361-m362 ◽  
Author(s):  
Ya-Ping Li ◽  
Hu Zang ◽  
Dajun Sun ◽  
Julia Ming ◽  
Guan-Fang Su
Keyword(s):  
Crystal Structure ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Distorted Octahedral ◽  
Dimensional Crystal

In the title salt, [Zn(C6H15NO3)2](C8H4O4), the ZnIIcation, located on a centre of inversion, is coordinated by four O atoms and two N atoms from two tridentate 2-[bis(2-hydroxyethyl)amino]ethanol (BHEA) ligands, giving rise to a slightly distorted octahedral geometry. The terephthalate dianion, located about a centre of inversion, is not coordinated to ZnIIbut is connected through O—H...O contacts with [Zn(BHEA)2]2+cations, leading to a three-dimensional crystal structure.

The first three-dimensional FeIII–SrIIheterometallic coordination polymer: poly[[diaquatetrakis(μ3-pyridine-2,3-dicarboxylato)diiron(III)strontium(II)] dihydrate]

2015 ◽  
Vol 71 (10) ◽  
pp. 903-907 ◽  
Author(s):  
Yongfeng Yang ◽  
Tao Li ◽  
Yanmei Chen
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Coordination Polymer ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Water Molecules ◽  
Coordination Geometry ◽  
One Dimensional ◽  
Distorted Octahedral

The title compound, poly[[diaqua-1κ2O-tetrakis(μ3-pyridine-2,3-dicarboxylato)-2:1:2′κ10N,O2:O2′,O3:O3′;2:1:2′κ8O3:O3′:N,O2-diiron(III)strontium(II)] dihydrate], {[Fe2Sr(C7H3O4)4(H2O)2]·2H2O}n, which has triclinic (P\overline{1}) symmetry, was prepared by the reaction of pyridine-2,3-dicarboxylic acid, SrCl2·6H2O and Fe(OAc)2(OH) (OAc is acetate) in the presence of imidazole in water at 363 K. In the crystal structure, the pyridine-2,3-dicarboxylate (pydc2−) ligand exhibits μ3-η1,η1:η1:η1and μ3-η1,η1:η1,η1:η1coordination modes, bridging two FeIIIcations and one SrIIcation. The SrIIcation, which is located on an inversion centre, is eight-coordinated by six O atoms of four pydc2−ligands and two water molecules. The coordination geometry of the SrIIcation can be best described as distorted dodecahedral. The FeIIIcation is six-coordinated by O and N atoms of four pydc2−ligands in a slightly distorted octahedral geometry. Each FeIIIcation bridges two neighbouring FeIIIcations to form a one-dimensional [Fe2(pydc)4]nchain. The chains are connected by SrIIcations to form a three-dimensional framework. The topology type of this framework istfj. The structure displays O—H...O and C—H...O hydrogen bonding.

Bis[1,3-bis(1H-benzimidazol-2-yl)benzene-κN 3]bis(nitrato-κ2 O,O′)cadmium(II) dihydrate

2007 ◽  
Vol 63 (11) ◽  
pp. m2752-m2752 ◽  
Author(s):  
Fa-Yan Meng ◽  
Yi-Ming Zhang ◽  
Seik Weng Ng
Keyword(s):  
Crystal Structure ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Title Complex ◽  
Distorted Octahedral Geometry ◽  
Water Molecules ◽  
Complex Molecules ◽  
Solvent Water ◽  
Dimensional Network ◽  
Distorted Octahedral

In the title complex, [Cd(NO3)2(C20H14N4)2]·2H2O, the CdII ion, which lies on a crystallographic twofold axis, is bis-chelated by two nitrate ligands and is coordinated by one tertiary N atom from each of two 1,3-bis(1H-benzimidazol-2-ylmethyl)benzene ligands in a distorted octahedral geometry. In the crystal structure, complex molecules and solvent water molecules are connected via hydrogen bonds to form a three-dimensional network.

scholarly journals Crystal structure of a dinuclear CoIIcomplex with bridging fluoride ligands: di-μ-fluorido-bis{tris[(6-methylpyridin-2-yl)methyl]amine}dicobalt(II) bis(tetrafluoridoborate)

2014 ◽  
Vol 70 (11) ◽  
pp. m359-m360 ◽  
Author(s):  
Masataka Inomata ◽  
Yusaku Suenaga
Keyword(s):  
Crystal Structure ◽  
Complex Cation ◽  
Three Dimensional ◽  
High Spin State ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Methyl Amine ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Fluoride Ligands

Reaction of Co(BF4)2·6H2O with tris[(6-methylpyridin-2-yl)methyl]amiine in methanol results in a fluoride abstraction from BF4−, yielding the unexpected title compound, [Co2F2(C21H24N4)2](BF4)2. The complex cation consists of two inversion-related [Co(C21H24N4)]2+moieties bridged by a pair of fluoride ligands. The CoIIcation is six-coordinated in a distorted octahedral geometry and forms a +II high-spin state. In the crystal, the complex cation and the BF4−anion are connected by C—H...F hydrogen bonds, forming a three-dimensional network. An intramolecular C—H...F hydrogen bond is also observed.

Hexaaquanickel(II) chelidonate monohydrate

2007 ◽  
Vol 63 (11) ◽  
pp. m2720-m2720 ◽  
Author(s):  
Vaduganathan Yasodha ◽  
Subbaiah Govindarajan ◽  
V. Manivannan ◽  
O. Büyükgüngör
Keyword(s):  
Crystal Structure ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Molecular Salt

In the title hydrated molecular salt, [Ni(H2O)6](C7H2O6)·H2O, the Ni cation adopts a slightly distorted octahedral geometry. In the crystal structure, the component species interact by way of O—H...O and weak C—H...O interactions, resulting in a three-dimensional network.

scholarly journals Crystal structure ofcatena-poly[[diaquacadmium(II)]-μ-3,3′-(1,3-phenylene)diacrylato]

2015 ◽  
Vol 71 (4) ◽  
pp. m91-m92
Author(s):  
Xiao-Ping Zhang ◽  
Xin Chen ◽  
Kun-Lin Huang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Water Molecules ◽  
Supramolecular Architecture ◽  
Polymeric Complex ◽  
Distorted Octahedral

In the crystal of the title polymeric complex, [Cd(C12H8O4)(H2O)2]n, the CdIIcation, located on a twofold rotation axis, is coordinated by two water molecules and chelated by two phenylenediacrylate anions (mpda) in a distorted octahedral geometry. The mpda anions bridge the CdIIcations, forming helical chains propagating along thec-axis direction. The mpba anion has twofold symmetry with two benzene C atoms located on the twofold rotation axis. In the crystal, O—H...O hydrogen bonds link the polymeric helical chains into a three-dimensional supramolecular architecture.

scholarly journals Tris(phenyl 2-pyridyl ketone oxime-κ2N,N′)cadmium(II) dinitrate

2009 ◽  
Vol 65 (6) ◽  
pp. m641-m641 ◽  
Author(s):  
Juan Yan ◽  
Guang-Xiang Liu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Supramolecular Structure ◽  
Three Dimensional ◽  
Chain Structure ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Distorted Octahedral ◽  
A Chain

The Cd atom in the title compound, [Cd(C12H10N2O)3](NO3)2, adopts a distorted octahedral geometry, being ligated by six N atoms from three different phenyl-2-pyridyl ketone oxime ligands. In the crystal structure, intermolecular O—H...O and C—H...O hydrogen bonds link the molecules into a chain structure propagating along [100]. The chains are further linked into a three-dimensional supramolecular structureviavan der Waals forces.

scholarly journals Crystal structure of the tetraaquabis(thiocyanato-κN)cobalt(II)–caffeine–water (1/2/4) co-crystal

2017 ◽  
Vol 73 (7) ◽  
pp. 980-982
Author(s):  
H. El Hamdani ◽  
M. El Amane ◽  
C. Duhayon
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Water Molecules ◽  
Complex Molecules ◽  
Dimensional Network ◽  
Centroid Distance ◽  
Distorted Octahedral

In the structure of the title compound [systematic name: tetraaquabis(thiocyanato-κN)cobalt(II)–1,3,7-trimethyl-1,2,3,6-tetrahydro-7H-purine-2,6-dione–water (1/2/4)], [Co(NCS)2(H2O)4]·2C8H10N4O2·4H2O, the cobalt(II) cation lies on an inversion centre and is coordinated in a slightly distorted octahedral geometry by the oxygen atoms of four water molecules and two N atoms of twotrans-arranged thiocyanate anions. In the crystal, the complex molecules interact with the caffeine molecules through O—H...N, O—H...O and C—H...S hydrogen bonds and π–π interactions [centroid-to-centroid distance = 3.4715 (5) Å], forming layers parallel to theabplane, which are further connected into a three-dimensional network by O—H...O and O—H...S hydrogen bonds involving the non-coordinating water molecules.

scholarly journals 2-Amino-5-chloropyridinium cis-diaquadioxalatochromate(III) sesquihydrate

2012 ◽  
Vol 68 (6) ◽  
pp. m824-m825 ◽  
Author(s):  
Ichraf Chérif ◽  
Jawher Abdelhak ◽  
Mohamed Faouzi Zid ◽  
Ahmed Driss
Keyword(s):  
Rotation Axis ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Water Molecules ◽  
Lattice Water ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Distorted Octahedral ◽  
Independent Lattice

In the crystal structure of the title compound, (C5H6ClN2)[Cr(C2O4)2(H2O)2]·1.5H2O, the CrIII atom adopts a distorted octahedral geometry being coordinated by two O atoms of two cis water molecules and four O atoms from two chelating oxalate dianions. The cis-diaquadioxalatochromate(III) anions, 2-amino-5-chloropyridinium cations and uncoordinated water molecules are linked into a three-dimensional supramolecular array by O—H...O and N—H...O hydrogen-bonding interactions. One of the two independent lattice water molecules is situated on a twofold rotation axis.

scholarly journals Crystal structure of a mononuclear RuIIcomplex with a back-to-back terpyridine ligand: [RuCl(bpy)(tpy–tpy)]+

2015 ◽  
Vol 71 (9) ◽  
pp. 1017-1021 ◽  
Author(s):  
Francisca N. Rein ◽  
Weizhong Chen ◽  
Brian L. Scott ◽  
Reginaldo C. Rocha
Keyword(s):  
Crystal Structure ◽  
Crystal Packing ◽  
Bidentate Ligand ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Stacking Interactions ◽  
Bite Angle ◽  
Distorted Octahedral ◽  
The Mean

We report the structural characterization of [6′,6′′-bis(pyridin-2-yl)-2,2′:4′,4′′:2′′,2′′′-quaterpyridine](2,2′-bipyridine)chloridoruthenium(II) hexafluoridophosphate, [RuCl(C10H8N2)(C30H20N6)]PF6, which contains the bidentate ligand 2,2′-bipyridine (bpy) and the tridendate ligand 6′,6′′-bis(pyridin-2-yl)-2,2′:4′,4′′:2′′,2′′′-quaterpyridine (tpy–tpy). The [RuCl(bpy)(tpy–tpy)]+monocation has a distorted octahedral geometry at the central RuIIion due to the restricted bite angle [159.32 (16)°] of the tridendate ligand. The Ru-bound tpy and bpy moieties are nearly planar and essentially perpendicular to each other with a dihedral angle of 89.78 (11)° between the least-squares planes. The lengths of the two Ru—N bonds for bpy are 2.028 (4) and 2.075 (4) Å, with the shorter bond being opposite to Ru—Cl. For tpy–tpy, the mean Ru—N distance involving the outer N atomstransto each other is 2.053 (8) Å, whereas the length of the much shorter bond involving the central N atom is 1.936 (4) Å. The Ru—Cl distance is 2.3982 (16) Å. The free uncoordinated moiety of tpy–tpy adopts atrans,transconformation about the interannular C—C bonds, with adjacent pyridyl rings being only approximately coplanar. The crystal packing shows significant π–π stacking interactions based on tpy–tpy. The crystal structure reported here is the first for a tpy–tpy complex of ruthenium.

scholarly journals Tris(ethylenediamine-κ2N,N′)cadmium hexafluoridogermanate

2012 ◽  
Vol 68 (4) ◽  
pp. m396-m397
Author(s):  
Guo-Ming Wang ◽  
Zeng-Xin Li ◽  
Pei Wang
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Supramolecular Network ◽  
Distorted Octahedral ◽  
Axis Passing

In the title compound, [Cd(C2H8N2)3](GeF6), the CdIIatom, lying on a 32 symmetry site, is coordinated by six N atoms from three ethylenediamine (en) ligands in a distorted octahedral geometry. The Ge atom also lies on a 32 symmetry site and is coordinated by six F atoms. The en ligand has a twofold rotation axis passing through the mid-point of the C—C bond. The F atom is disordered over two sites with equal occupancy factors. In the crystal, the [Cd(en)3]2+cations and [GeF6]2−anions are connected through N—H...F hydrogen bonds, forming a three-dimensional supramolecular network.

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