ChemInform Abstract: Coordination Fluxionality of Copper(II) with a Sterically Constrained Pyrazole-Containing Chelating Ligand. Crystal and Molecular Structure at 298 K and 140 K of 1,6-Bis(3,5-dimethylpyrazol-1-yl)-2,5-dimethyl-2,5-diazahexane-bis(thioc

ChemInform ◽  
1987 ◽  
Vol 18 (17) ◽  
Author(s):  
F. PAAP ◽  
W. L. DRIESSEN ◽  
J. REEDIJK ◽  
M. DARTMANN ◽  
B. KREBS
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Chelating Ligand

ChemInform Abstract: Synthesis, Crystal, and Molecular Structure of 3-((N-Benzyl)diaminomethylene)pentane-2,4-dione. A New Chelating Ligand.

ChemInform ◽  
1989 ◽  
Vol 20 (48) ◽  
Author(s):  
V. A. DOROKHOV ◽  
M. F. GARDEEV ◽  
M. N. BOCHKAREVA ◽  
M. G. KURELLA ◽  
L. G. VORONTSOVA ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Chelating Ligand

Acyclische Liganden mit fixierter Koordinationsgeometrie, 1:2-Komplexe von Cobalt(II) mit den Anionen von 2.2′-Dihydroxydiphenyloxid und -sulfid -Kristall-und Molekülstruktur von Natrium-bis[diphenylsulfid-2.2′ -diolato(2-)]cobaltat(II>- Aceton-Wasser (1/2/1) / Acyclic Ligands with Fixed Coordination Geometry, I 1:2 Complexes of Cobalt(II) with the Anions of 2,2′-Dihyydroxydiphenyloxide and -sulfide - Crystal and Molecular Structure of Sodium bis[diphenylsulfide-2,2′-diolato(2-)]cobaltate(II)- Acetone-Water (1/2/1)

1982 ◽  
Vol 37 (3) ◽  
pp. 341-347 ◽  
Author(s):  
Hartmut Müller ◽  
Arno Holzmann ◽  
Winfried Hinrichs ◽  
Günter Klar
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Coordination Geometry ◽  
Normal Range ◽  
X Ray ◽  
Chelating Ligand ◽  
Acetone Water ◽  
Acyclic Ligands

The synthesis of bis[diphenylchalcogenide-2,2′-diolate(2-)]-cobaltate(II) compounds is described. In these complexes diphenyloxide-2,2′-diolate acts as a bidentate, diphenylsulfide- 2,2′-diolate as a tridentate chelating ligand leading to tetrahedral or octahedral coordinated cobalt(II), resp. An X-ray analysis of sodium bis[diphenylsulfide-2,2′-diolate(2-)]cobaltate(II)-acetonewater (1/2/1) shows the ligands to occupy fac-, their sulfur atoms cis-positions. The Co-0 distances (average 204.5 pm) are in the normal range while the C-S distances (average 248.5 pm) are longer than usually found indicating weaker bonds to sulfur than to oxygen.

Crystal and molecular structure of a platinum(II) complex with β-mercaptoethylamine hydrochloride

2018 ◽  
Vol 59 (1) ◽  
pp. 191-195
Author(s):  
A. N. Azizova ◽  
◽  
D. B. Tagiev ◽  
S. N. Osmanova ◽  
Sh. G. Kasumov ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure

The crystal and molecular structure of tris(pentamethylenedithiocarbamate) chromium(III)-chloroform (1 : 2)

1981 ◽  
Vol 46 (1) ◽  
pp. 6-19 ◽  
Author(s):  
Viktor Kettman ◽  
Ján Garaj ◽  
Jaroslav Majer
Keyword(s):  
Molecular Structure ◽  
Structural Analysis ◽  
Crystal And Molecular Structure ◽  
Analysis Method ◽  
Complex Molecules ◽  
Coordination Polyhedra ◽  
X Ray ◽  
Cell Dimensions ◽  
Crustal Density ◽  
Unit Cell Dimensions

The crystal and molecular structure of [Cr(S2CN(CH2)5)3].2 CHCl3 was found by the X-ray structural analysis method. The value R 0.090 was found for 1 131 observed independent reflections. The substance crystallizes in a space group of symmetry P212121 with the following unit cell dimensions: a = 0.8675 (6), b = 1.815(2), c = 2.155(3) nm. The experimentally observed crustal density was 1.48 Mgm-3 and the value calculated for Z = 4 was 1.51 Mgm-3. The CrS6 coordination polyhedron has the shape of a trigonally distorted octahedron, where the D3 symmetry is a approximately retained. The degree of trigonal distortion expressed as the projection of the chelate S-Cr-S angle onto the plane perpendicular to the C3 pseudo axis is Φ = 41.7° (Φ = 60° for an octahedron). The skeleton of the structure formed by the complex molecules contains channels filled with chloroform molecules. The specific type of complex-chloroform interaction consists of the formation of hydrogen bonds of the chloroform protons with the fully occupied pπ-orbitals of the sulphur atoms in the coordination polyhedra. The low stability and crystal decomposition can be explained by loss of chloroform from the channels.

Sign in / Sign up

Export Citation Format

Share Document