ChemInform Abstract: STRUCTURAL STUDIES ON POLYNUCLEAR OSMIUM CARBONYL HYDRIDES. 29. DEGENERATE FRAMEWORK REARRANGEMENT IN A CAPPED-SQUARE-PYRAMIDAL METAL-CARBON CLUSTER AND ITS CONVERSION TO A CAPPED-TRIGONAL-BIPYRAMIDAL CLUSTER. CRYSTAL STRUCTURES OF (η

1985 ◽  
Vol 16 (20) ◽  
Author(s):  
J. T. PARK ◽  
J. R. SHAPLEY ◽  
M. R. CHURCHILL ◽  
C. BUENO
Keyword(s):  
Crystal Structures ◽  
Carbon Cluster ◽  
Structural Studies ◽  
Trigonal Bipyramidal ◽  
Osmium Carbonyl

scholarly journals Synthesis, spectral and single crystal X-ray structural studies on bis(2,2’-bipyridine)sulphido M(II) (M=Cu, Zn) and diaquo 2,2’-bipyridine zinc(II)sulphate dihydrate

2010 ◽  
Vol 75 (8) ◽  
pp. 1085-1092 ◽  
Author(s):  
Arumugam Manohar ◽  
Kuppukannu Ramalingam ◽  
Gabriele Bocelli ◽  
Andrea Cantoni
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Crystal Structures ◽  
Structural Studies ◽  
Distorted Octahedral Environment ◽  
X Ray ◽  
Trigonal Bipyramidal Geometry ◽  
Trigonal Bipyramidal ◽  
Octahedral Environment ◽  
Distorted Octahedral

Reaction of bis(diethanoldithiocarbamato)copper(II), [Cu(deadtc)2] and bis(di-n-propyldithiocarbamato)zinc(II), [Zn(dnpdtc)2] complexes with 2,2?-bipyridine (2,2?-bipy) (1:1 ratio) in ethanol was investigated. Simple mixing of the reactants in 1:1 ratio resulted in five-coordinated [Cu(2,2?-bipy)2S]CH3CH2OSO3H (1) and [Zn(2,2?-bipy)2S]CH3CH2OSO3H.2H2O (2). Refluxing the reactants and cooling the contents result in the formation of [Zn(2,2?-bipy)(H2O)2]SO4 (3) and [Cu(2,2?-bipy)(H2O)2]SO4 (4). Complexes 1 and 2 are monomeric with trigonal bipyramidal geometry. A distorted octahedral environment was observed in complexes 3 and 4. The crystal structure of 4 has already been reported in the literature. Crystal structures of 1, 2 and 3 are reported in this paper. The M-S distances in 1 and 2 are 2.318(1) ? and 2.323 ?, respectively. The N-M-S angles are larger than the N-M-N angles due to the steric requirements.

Comparative Structural Studies on Three-Coordinate Copper(I) Halide Complexes With Tertiary Phosphines. Crystal Structures of [(PPh2Mes)CuX]2 and [(PPhMes2)CuX]2 (Mes = Mesityl X = Cl, Br, I)

1992 ◽  
Vol 45 (7) ◽  
pp. 1155 ◽  
Author(s):  
GA Bowmaker ◽  
D Camp ◽  
RD Hart ◽  
PC Healy ◽  
BW Skelton ◽  
...  
Keyword(s):  
Single Crystal ◽  
Crystal Structures ◽  
Copper Atom ◽  
Structural Studies ◽  
Coordination Environment ◽  
X Ray ◽  
Tertiary Phosphines ◽  
Structure Determinations ◽  
Halide Complexes ◽  
The Subject

The 1 : 1 complexes of the substituted triphenylphosphine ligands mesityldiphenylphosphine and dimesitylphenylphosphine with copper(1) chloride, bromide and iodide have been the subject of single-crystal X-ray structure determinations at 295 K. All six complexes crystallize as air-stable dimeric molecules, [(PPh2Mes)CuX]2 and [ (PPhMes2)CUX]2 with each copper atom in a distorted trigonal PCuX2. coordination environment. Crystals of [(PPh2Mes)CuCl]2 (1) are monoclinic, P21/n, a 9.961(3), b 18.687(6), c 11.009(7) Ǻ, β 114.63(4)°; R was 0.049 for 2450 'observed' reflections. [(PPh2Mes)CuBrI2 (2) is monoclinic, P21/n, a 9.939(2), b 18.832(6), c 11.238(6) Ǻ, β 115.36(3)°; R was 0.046 for 1803 'observed' reflections. [(PPh2Mes)CuI]2.4/3 C6H6 (3) is rhornbohedral, R3, a 36.877(8), c 9.047(5) A; R was 0.039 for 2537 'observed' reflections. Crystals of [(PPhMes2)CuCl]2.2MeCN (4) are triclinic, Pi, a 15.783(7), b 9.570(4), c 8.914(4) Ǻ, α 72.43(3), β 76.37(3), γ 74.03(3)°; R was 0.045 for 3341 'observed' reflections. [(PPhMes2)CuBr]2.3C6H6 (5) is monoclinic, C2/c, a 9.694(6), b 30.15(2), c 20.66(2) Ǻ, β 98.00(7)°; R was 0.047 for 2117 'observed' reflections. [(PPhMes2)CuI]2.2MeCN (6) is orthorhombic, PP1nb, a 11.694(8), b 14.77(1), c 29.76(3) Ǻ; R was 0.049 for 3447 'observed' reflections. Cu-P bond lengths are: 2.196(2) A (1); 2.198(3) Ǻ (2); 2.222(5) and 2.226(5) Ǻ (3); 2.202(1) Ǻ (4); 2.197(3) A (5); 2.201(4) and 2.264(5) Ǻ (6). The geometries of the LCuX2 and CuX2Cu units are compared with data reported for other monomeric and dimeric compounds for both phosphorus- and nitrogen-based ligands L.

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