Diaryl tellurium dihalides: From Te-tetracoordinated compounds to Te-tricoordinated molecular complexes

PH Laur, SM Saberi-Niaki, M Scheiter…

Index: Laur, Peter H.; Saberi-Niaki, Seyedeh M.; Scheiter, Michael; Hu, Chunhua; Englert, Ulli; Wang, Yuekui; Fleischhauer, Joerg Phosphorus, Sulfur and Silicon and the Related Elements, 2005 , vol. 180, # 3-4 p. 1035 - 1044

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Citation Number: 11

Abstract

Abstract X-ray structural studies demonstrate that diaryl tellurium diiodides can be constrained by steric factors (ortho-alkyl substituents) to adopt a trigonal pyramidal structure in preference to the expected bisphenoidal structure. DFT calculations are shown to reproduce successfully structural details of the title compounds; they allow one to predict which coordination number should be energetically favored. All compounds are chiral, but ...

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