Ion Pair Recognition of Quaternary Ammonium and Iminium Salts by Uranyl−Salophen Compounds in Solution and in the Solid State

2007 ◽  
Vol 129 (12) ◽  
pp. 3641-3648 ◽  
Author(s):  
Massimo Cametti ◽  
Maija Nissinen ◽  
Antonella Dalla Cort ◽  
Luigi Mandolini ◽  
Kari Rissanen
Keyword(s):  
Solid State ◽  
Quaternary Ammonium ◽  
Ion Pair ◽  
Iminium Salts

The two solid-state conformations of nefopam methiodide, a quaternary ammonium salt of the analgesic drug

1990 ◽  
Vol 68 (7) ◽  
pp. 1128-1134 ◽  
Author(s):  
Robert Glaser ◽  
André Michel ◽  
Marc Drouin
Keyword(s):  
Solid State ◽  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salt ◽  
State Structure ◽  
X Ray Diffraction ◽  
Analgesic Drug ◽  
X Ray ◽  
Positional Disorder ◽  
X Ray Crystallography

The solid-state structure of nefopam methiodide, a quaternary ammonium salt of nefopam hydrochloride (a non-narcotic analgesic drug), has been determined by single crystal X-ray diffraction analysis. Nefopam methiodide gives crystals belonging to the monoclinic P21/c space group and, at 298 K, a = 10.001(1), b = 9.928(1), c = 17.598(1) Å, β = 94.41(1)°, V = 1742.2(2) Å3, Z = 4, R(F) = 0.086, and Rw(F) = 0.108. Due to disorder, the boat (flattened chair) and twist-chair (flattened chair) conformations of the 2,5-benzoxazocine eight-membered ring were both observed in the crystal with 55:45 occupancy, respectively. Positional disorder was also observed for the iodide counterion, which showed occupancies of 81:9.5:9.5. Keywords: nefopam, analgesic, X-ray crystallography, conformation.

Multifunctional Imidazobenzothiadiazole Probe Displaying Solvatofluorochromism and Ability To Form Ion-Pair Complexes in Solid State and in Solution

2015 ◽  
Vol 17 (10) ◽  
pp. 2374-2377 ◽  
Author(s):  
María Alfonso ◽  
Israel Fernández ◽  
Alberto Tárraga ◽  
Pedro Molina
Keyword(s):  
Solid State ◽  
Ion Pair

Effect of cation size on the performance of dye sensitized nanocrystalline TiO2 solar cells based on quasi-solid state PAN electrolytes containing quaternary ammonium iodides

2013 ◽  
Vol 109 ◽  
pp. 609-616 ◽  
Author(s):  
T.M.W.J. Bandara ◽  
W.J.M.J.S.R. Jayasundara ◽  
M.A.K.L. Dissanayake ◽  
M. Furlani ◽  
I. Albinsson ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solid State ◽  
Quaternary Ammonium ◽  
Nanocrystalline Tio2 ◽  
Dye Sensitized ◽  
Cation Size
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