Crystal and molecular structure, spectroscopy, and magnetism of diaquobis(imidazole)catena-.mu.-(squarato-1,3)-nickel(II). A one-dimensional polymer

1979 ◽  
Vol 18 (5) ◽  
pp. 1184-1189 ◽  
Author(s):  
Johannes A. C. Van Ooijen ◽  
Jan Reedijk ◽  
Anthony L. Spek
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
One Dimensional

Crystal and Molecular Structure of the Linear Chain Bis(1,2-diaminopropane)platinum(II,IV)tribromide

1980 ◽  
Vol 35 (10) ◽  
pp. 1274-1276 ◽  
Author(s):  
H. Endres ◽  
H. J. Keller ◽  
R. Martin ◽  
S. Nötzel
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Linear Chain ◽  
One Dimensional ◽  
Diffuse Layers

Abstract [Pt(dapn)2]Br3 (dapn = 1,2-diaminopropane), ortho-rhombic, Immm (D252h), a = 5.338(1), b = 6.900(5), c= 19.738(4) Å, Z = 2, V= 727 Å3 , dc = 2.7 g · cm-3 . The structure was refined to R = 0.094 for 576 reflections and can be described as a Wolffram's salt analogue. A rotating crystal photograph shows weak diffuse layers between the Bragg reflections as evidence for one-dimensional order along the M-X-M chain, but for successful refinement the M-X distance (2.673(1) Å) have to be assumed to be equal.

Crystal and Molecular Structure of 4-Oxo-6-iodoqwnolinium(OIQn)-2,2'- (2,5-cyclohexadiene-1,4-diylidene)- bispropanedinitrile (TCNQ)

1981 ◽  
Vol 36 (9) ◽  
pp. 1187-1189 ◽  
Author(s):  
H. J. Keller ◽  
W. Steiger ◽  
M. Werner
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Linear Chain ◽  
One Dimensional

Abstract One-dimensional Conductors, Linear Chain Structures (C9H7INO · C12H4N4) triclinic PT, a = 7.161(5) Å, b = 8.639(5) Å, c = 17.392(6) Å, α -64.96(4)°, β = 80.64(3)°, γ = 76.99(3)°, V = 1075.6 Å3 , Z = 2, dc = 1.47 Mgm-3. The structure was refined to R - 0.114 for 2022 reflections. It consists of segregated diadic stacks of TCNQ and 4-oxo-iodoquinolinium ions. Inter-planar distances in the TCNQ stack are 3.09(1) Å and 3.32(1) Å; 3.37(1) Å and 3.55(1) Å in the quinolinium stack.

scholarly journals Solid-state porphyrin interactions with oppositely charged peripheral groups

2015 ◽  
Vol 19 (12) ◽  
pp. 1256-1261 ◽  
Author(s):  
W. Robert Scheldt ◽  
Beisong Cheng ◽  
Allen G. Oliver ◽  
John A. Goodwin
Keyword(s):  
Molecular Structure ◽  
Solid State ◽  
Electrostatic Interactions ◽  
Crystal And Molecular Structure ◽  
One Dimensional ◽  
Phenyl Rings ◽  
Oppositely Charged ◽  
Porphyrin Rings

The crystallization and the crystal and molecular structure of a very slightly soluble electrostatically interacting pair of porphyrins is described. The tetra-anion 5,10,15,20-tetrakis-(4-sulfonatophenyl)-21,23H-porphyrin [H2TPPSO3][Formula: see text] and the tetra-cation 5,10,15,20-tetra([Formula: see text]-methylpyridyl)21H,23H-porphyrin [H2TMePyP][Formula: see text] are found to form an alternating one-dimensional stack that is stabilized by electrostatic interactions between the porphyrin rings but also by [Formula: see text] interactions between all substituted phenyl rings in the ensemble. The resulting interactions between the porphyrins is exceptionally tight.

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