scholarly journals Crystal structures offac-trichloridotris(trimethylphosphane-κP)rhodium(III) monohydrate andfac-trichloridotris(trimethylphosphane-κP)rhodium(III) methanol hemisolvate: rhodium structures that are isotypic with their iridium analogs

2015 ◽  
Vol 71 (2) ◽  
pp. 226-230 ◽  
Author(s):  
Joseph S. Merola ◽  
Marion A. Franks
Keyword(s):  
Crystal Lattice ◽  
Crystal Structures ◽  
Octahedral Coordination ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Coordination Spheres

The crystal structures of two solvates offac-trichloridotris(trimethylphosphane-κP)rhodium(III) are reported,i.e.one with water in the crystal lattice,fac-[RhCl3(Me3P)3]·H2O, and one with methanol in the crystal lattice,fac-[RhCl3(Me3P)3]·0.5CH3OH. These rhodium compounds exhibit distorted octahedral coordination spheres at the metal and are isotypic with the analogous iridium compounds previously reported by us [Merolaet al.(2013).Polyhedron,54, 67–73]. Comparison is made between the rhodium and iridium compounds, highlighting their isostructural relationships.

Notizen: Darstellung und Kristallstruktur von α- und β-Cu3TiO4 / Preparation and Crystal Structure of α- and β-Cu3TiO4

1977 ◽  
Vol 32 (11) ◽  
pp. 1356-1357 ◽  
Author(s):  
Klaus-Jürgen Range ◽  
Fritz Ketterl
Keyword(s):  
Crystal Structure ◽  
Ternary System ◽  
Crystal Structures ◽  
Octahedral Coordination ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral

A compound Cu3TiO4 was found to exist in the ternary system CuO-Cu2O-TiO2. The crystal structures of two modifications are very similar and contain Cu+ with linear, Cu2+ and Ti4+ with trigonal distorted octahedral coordination.

scholarly journals Crystal structures of tris[1-oxopyridine-2-olato(1−)]silicon(IV) chloride chloroform-d1disolvate, tris[1-oxopyridine-2-olato(1−)]silicon(IV) chloride acetonitrile unquantified solvate, andfac-tris[1-oxopyridine-2-thiolato(1−)]silicon(IV) chloride chloroform-d1disolvate

2015 ◽  
Vol 71 (12) ◽  
pp. 1531-1535 ◽  
Author(s):  
Bradley M. Kraft ◽  
William W. Brennessel ◽  
Amy E. Ryan ◽  
Candace K. Benjamin
Keyword(s):  
Crystal Structures ◽  
Unit Cell ◽  
The Other ◽  
Acta Cryst ◽  
Distorted Octahedral Coordination ◽  
Structure Factors ◽  
Distorted Octahedral ◽  
Coordination Spheres ◽  
Van Der Waals Radii ◽  
Cl Atoms

The cations in the title salts, [Si(OPO)3]Cl·2CDCl3, (I), [Si(OPO)3]Cl·xCH3CN, (II), andfac-[Si(OPTO)3]Cl·2CDCl3, (III) (OPO = 1-oxo-2-pyridinone, C5H4NO2, and OPTO = 1-oxo-2-pyridinethione, C5H4NOS), have distorted octahedral coordination spheres. The first two structures contain the same cation and anion, but different solvents of crystallization led to different solvates and packing arrangements. In structures (I) and (III), the silicon complex cations and chloride anions are well separated, while in (II), there are two C—H...Cl distances that fall just within the sum of the van der Waals radii of the C and Cl atoms. The pyridine portions of the OPO ligands in (I) and (II) are modeled as disordered with the planar flips of themselves [(I): 0.574 (15):0.426 (15), 0.696 (15):0.304 (15), and 0.621 (15):0.379 (15); (II): 0.555 (13):0.445 (13), 0.604 (14):0.396 (14) and 0.611 (13):0.389 (13)], demonstrating that bothfacandmerisomers are co-crystallized. In (II), highly disordered solvent, located in two independent channels along [100], was unable to be modeled. Reflection contributions from this solvent were fixed and added to the calculated structure factors using the SQUEEZE [Spek (2015).Acta Cryst.C71, 9–18] function of programPLATON, which determined there to be 54 electrons in 225 Å3accounted for per unit cell (25 electrons in 109 Å3in one channel, and 29 electrons in 115 Å3in the other). In (I) and (II), all species lie on general positions. In (III), all species are located along crystallographic threefold axes.

Notizen: Über die Kristallstruktur von β-SCl3+SbCl6- und interionischen Wechselwirkungen in SCl3+-Salzen/The Crystal Structure of β-SCl3+SbCl6- and Interionic Interactions in SCl3+ Salts

1992 ◽  
Vol 47 (4) ◽  
pp. 594-596 ◽  
Author(s):  
Rolf Minkwitz ◽  
Andreas Kornath ◽  
Hans Preut
Keyword(s):  
Crystal Structure ◽  
Crystal Structures ◽  
Unit Cell ◽  
Octahedral Coordination ◽  
Monoclinic Space Group ◽  
Space Group ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Interionic Interactions

Chlorosulfonium hexachloroantimonate crystallizes in the monoclinic space group C 2/m with a = 1405.5(3) pm, b = 1055.1(2) pm , c = 882.2(2) pm, β = 110.05(3)° at 169 K with 4 formula units per unit cell. A distorted octahedral coordination around sulphur is formed by three S - C l bonds and three interionic sulphur chlorine contacts. The interionic interactions in SCl3+ salts of known crystal structures are discussed.

μ-5,8-Dioxido-1,4-naphthochinon(2–)-O,O″′; O′,O″ ]bis-[tetraphenylantimon(V)]-Dioxan (3/5) / [,u-5,8-Dioxido-l,4-naphthoquinone(2–)-O,O″′; O′,O″]bis[tetraphenylantimony(V)] Dioxane (3/5)

1990 ◽  
Vol 45 (3) ◽  
pp. 369-376 ◽  
Author(s):  
Susanne Arnold ◽  
Volker Mansel ◽  
Günter Klar
Keyword(s):  
Title Compound ◽  
Covalent Bonding ◽  
Octahedral Coordination ◽  
Molar Ratio ◽  
X Ray ◽  
Distorted Octahedral Coordination ◽  
Chelating Ligand ◽  
Distorted Octahedral ◽  
In Trans ◽  
Coordination Spheres

The title compound is prepared from naphthazarine (5,8-dihydroxy-1,4-naphthoquinone) and tetraphenylstibonium ethoxide (molar ratio 1:2) in dioxane as a solvent. X-ray analysis shows the naphthazarine dianion to act as a bifunctional chelating ligand in which two 2,2′-connected 1,3-diketonato groups are fixed in a coplanar position by two cis-ethenediyl bridges. The interaction of the naphthazarine dianion with the tetraphenylstibonium ions is an intermediate between ionic and covalent bonding. Consequently the antimony ions have strongly distorted octahedral coordination spheres (Sb–O 225,5(4) pm, Sb–Ce 215,9(6) pm, Sb–Ca 214,8(5) pm; O-Sb-O 75,9(1)°, Ce– Sb– Ce 103,8(2)°, Ca–Sb–Ca 166,0(2)°). The chelate rings are folded at the O/O axes (angles of fold 20-36°), the two antimony centers being arranged in trans-positions relative to the plane of the naphthazarine dianion.

Distorted octahedral coordination in adduct molecules

1962 ◽  
Vol 117 (5-6) ◽  
pp. 464-466
Author(s):  
Carl-Ivar Brändén ◽  
Arne Hansson ◽  
Yngve Hermodsson ◽  
Ingvar Lindqvist
Keyword(s):  
Octahedral Coordination ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral

scholarly journals Bis(1-dodecyl-4-aza-1-azoniabicyclo[2.2.2]octane)tetraisothiocyanatocobalt(II)

IUCrData ◽  
2020 ◽  
Vol 5 (1) ◽  
Author(s):  
Niels Ole Giltzau ◽  
Martin Köckerling
Keyword(s):  
Hydrogen Bonding ◽  
Equatorial Plane ◽  
Title Compound ◽  
Unit Cell ◽  
Octahedral Coordination ◽  
Coordination Environment ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Triclinic Unit Cell ◽  
Distorted Octahedral Coordination Environment

The title compound, [Co(C18H37N2)2(NCS)4], consists of a cobalt(II) ion positioned on the origin of the triclinic unit cell. It is coordinated by the N atoms of two trans-oriented 1-dodecyl-4-aza-1-azoniabicyclo[2.2.2]octane (DABCO+) cations, which carry n-dodecyl chains at the non-coordinating N atoms. The distorted octahedral coordination environment of the CoII ion is completed through four N atoms of isothiocyanate ions, which are arranged within the equatorial plane. Non-classical hydrogen bonding of the types C—H...N and C—H...S between the filamentous molecules lead to the formation of layers parallel to (001).

scholarly journals Crystal structure of sodium dihydrogen arsenate

2017 ◽  
Vol 73 (10) ◽  
pp. 1520-1522 ◽  
Author(s):  
Joseph Ring ◽  
Lorenz Lindenthal ◽  
Matthias Weil ◽  
Berthold Stöger
Keyword(s):  
Crystal Structure ◽  
Aqueous Solution ◽  
Asymmetric Unit ◽  
Arsenic Acid ◽  
Distorted Octahedral Coordination ◽  
Sodium Cations ◽  
Distorted Octahedral ◽  
Coordination Spheres ◽  
Partial Neutralization ◽  
Sodium Dihydrogen

Single crystals of the title compound, Na(H2AsO4), were obtained by partial neutralization of arsenic acid with sodium hydroxide in aqueous solution. The crystal structure of Na(H2AsO4) is isotypic with the phosphate analogue and the asymmetric unit consists of two sodium cations and two tetrahedral H2AsO4−anions. Each of the sodium cations is surrounded by six O atoms of five H2AsO4−groups, defining distorted octahedral coordination spheres. In the extended structure, the sodium cations and dihydrogen arsenate anions are arranged in the form of layers lying parallel to (010). Strong hydrogen bonds [range of O...O distances 2.500 (3)–2.643 (3) Å] between adjacent H2AsO4−anions are observed within and perpendicular to the layers. The isotypic structure of Na(H2PO4) is comparatively discussed.

μ-Oxido-bis{chlorido[tris(2-pyridylmethyl)amine]iron(III)} bis(hexafluoridophosphate)

2007 ◽  
Vol 63 (11) ◽  
pp. m2722-m2722 ◽  
Author(s):  
Ying Liu ◽  
Jianmin Dou ◽  
Dacheng Li ◽  
Xianxi Zhang
Keyword(s):  
Title Compound ◽  
Chloride Ion ◽  
Octahedral Coordination ◽  
Coordination Geometry ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral Coordination Geometry ◽  
Distorted Octahedral ◽  
Amine Ligand

The dinuclear FeIII complex in the title compound, [Fe2Cl2O(C18H18N4)2](PF6)2, lies on a center of inversion. The FeIII atom is chelated by a tetradentate tris(2-pyridylmethyl)amine ligand via four N atoms and further coordinated by one chloride ion and one bridging oxide O atom, giving a distorted octahedral coordination geometry.

Dichloro(ethanol-κO){(E)-1-[1-(2-pyridyl)ethylidene]thiosemicarbazonato-κ3 N,N′,S}indium(III)

2007 ◽  
Vol 63 (3) ◽  
pp. m845-m846 ◽  
Author(s):  
Ying-Ju Fan ◽  
Le Wang ◽  
Jian-Ping Ma ◽  
Zhong-Xi Sun
Keyword(s):  
Title Complex ◽  
Enol Form ◽  
Octahedral Coordination ◽  
Coordination Geometry ◽  
Ethanol Molecule ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral Coordination Geometry ◽  
Distorted Octahedral ◽  
Cl Atoms

Reaction of indium(III) chloride with (E)-1-[1-(2-pyridyl)ethylidene]thiosemicarbazide afforded the title complex, [In(C8H9N4S)Cl2(C2H5OH)]. The ligand is in the enol form coordinating to the InIII atom through one S atom and two N atoms. The InIII atom is further coordinated by two Cl atoms and an ethanol molecule to complete a distorted octahedral coordination geometry.

A mixed-valence complex of cobalt based on 3-methoxysalicylaldoxime

2014 ◽  
Vol 70 (4) ◽  
pp. 364-367 ◽  
Author(s):  
Tiantian Yao ◽  
Jing Lu ◽  
Dacheng Li ◽  
Jianmin Dou
Keyword(s):  
Magnetic Properties ◽  
Cobalt Complex ◽  
Mixed Valence ◽  
Ethanol Solution ◽  
Octahedral Coordination ◽  
Supramolecular Network ◽  
Two Dimensional ◽  
Distorted Octahedral Coordination ◽  
Distorted Octahedral ◽  
Mixed Valence Complex

A new tetranuclear mixed-valence cobalt complex, namely di-μ2-azido-diazidodiethanolbis{μ2-2-[(hydroxyimino)methyl]-6-methoxyphenolato}bis{μ3-6-methoxy-2-[(oxidoimino)methyl]phenolato}dicobalt(II)dicobalt(III) ethanol disolvate, [CoII2CoIII2(C8H7NO3)2(C8H8NO3)2(N3)4(C2H5OH)2]·2C2H5OH, has been synthesized by the reaction of Co(OAc)2·4H2O (OAc is acetate) with 3-methoxysalicylaldoxime (H2mosao) in an ethanol solution. In the complex, the four Co cations all display distorted octahedral coordination environments and they are bridged by two κ2,κ1,κ1;μ3-mosao2−ligands, two κ2,κ2;μ2-Hmosao−ligands and two μ2-N3−anions to form a tetranuclear [Co4N4O4] cluster. Adjacent clusters are connected through weak C—H...N and C—H...O interactions, resulting in a two-dimensional supramolecular network parallel to theacplane. The magnetic properties of the complex have also been studied.

Sign in / Sign up

Export Citation Format

Share Document