ISSN:
0044-2313
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
Ortho-carboxyphenyldimethylarsin(CPDMA). o-Carboxphenyldiphenylarsin (CPDPA) und o-Carboxyphenyl-di(p-toly)-arsin (CPDTA) reagieren mit Quecksilber(II)-halogeniden zu Komplexen HgX2L mit X = Cl, Br, J; L = Ligand. Nach IR-Spektren enthält HgCl2 · CPDPA wahrscheinlich den Liganden als zweizähnige Gruppe in einer dimeren halogen-verbrückten Struktur, während der jeweilige Ligand in den anderen acht dargestellten Komplexen einzähnig wirkt. Allen neun Komplexen wird tetraedrisch koordiniertes HgII zugeschrieben.
Notes:
Ortho-carboxyphenyl-dimethylarsine (CPDMA), ortho-carboxpyhenyldiphenylarsine (CPDPA) and ortho-carboxyphenyldi(p-tolyl)arsine (CPDTA) react with mercury(II) halides to yield complexes having the formula HgX2L where X is Cl, Br or I and L is ligand. In view of infrared spectral data these complexes have been classified into two classes: (a) those in which the carboxyl group of the ligand remains free (ligand being monodentate), and (b) those in which the ligand acts as a bidentate group. The complex Hg(Cl2) · CPDPA is the only example of type (a) and has been assigned a dimeric halogen bridged structure. The remaining eight complexes are assumed to be monomeric. A tetrahedral structure is proposed for all the nine complexes.
Additional Material:
2 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/zaac.19703730110
