Additions and Corrections - Monodentate Coordination by a Tripodal Ligand System: Synthesis and Crystal and Molecular Structure of Bis[diisopropyl [1,2-bis(diethylcarbamoyl)-ethyl]phosphonate]erbium(III) Nitrate Monohydrate

1987 ◽  
Vol 26 (15) ◽  
pp. 2564-2564
Author(s):  
D. McCabe ◽  
E. Duesler ◽  
R. Paine
Keyword(s):  
Molecular Structure ◽  
Crystal And Molecular Structure ◽  
Tripodal Ligand ◽  
System Synthesis ◽  
Ligand System ◽  
Monodentate Coordination

scholarly journals Organometallic Compounds of the Lanthanides 182 [1]. Calcium and Neodymium Complexes Containing the dpp-BIAN Ligand System: Synthesis and Molecular Structure of [(dpp-BIAN)CaI(THF)2]2 and [(dpp-BIAN)NdCl(THF)2]2

2007 ◽  
Vol 62 (9) ◽  
pp. 1107-1111 ◽  
Author(s):  
Herbert Schumann ◽  
Markus Hummert ◽  
Anton N. Lukoyanov ◽  
Valentina A. Chudakova ◽  
Igor L. Fedushkin
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Single Crystal ◽  
Radical Anion ◽  
Organometallic Compounds ◽  
Single Crystal Structure ◽  
System Synthesis ◽  
X Ray ◽  
Ligand System ◽  
Metal Atoms

Oxydation of (dpp-BIAN)Ca(THF)4 with 0.5 equiv. of I2 in THF yields [(dpp-BIAN)CaI(THF)2]2 (1). A corresponding neodymium compound [(dpp-BIAN)NdCl(THF)2]2 (2) has been obtained by reaction of (dpp-BIAN)Na2 with NdCl3 in THF. The X-ray single crystal structure analyses show 1 and 2 to be isostructural dimers containing octahedrally coordinated metal atoms bridged by the respective halides. The chelating dpp-BIAN ligand acts as a radical anion in the Ca2+ complex 1 and as a dianion in the Nd3+ complex 2, respectively.

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