Lower oxidation states of tellurium. Tetratellurium(2+) in molten salt solutions

1970 ◽  
Vol 9 (9) ◽  
pp. 1965-1969 ◽  
Author(s):  
Niels Bjerrum
1967 ◽  
Vol 6 (6) ◽  
pp. 1162-1172 ◽  
Author(s):  
Niels J. Bjerrum ◽  
Charles R. Boston ◽  
George Pedro Smith

1986 ◽  
Vol 19 (23) ◽  
pp. 4443-4461 ◽  
Author(s):  
G Chabrier ◽  
J P Hansen ◽  
J F Joanny

1964 ◽  
Vol 17 (11) ◽  
pp. 1191 ◽  
Author(s):  
JC Sheldon

The evidence for, and the factors determining, the formation of metal-to-metal (m-m) bonds in transition metal oxides, sulphides, halides, and related complexes are discussed. It is proposed that when metals of high preferred valence state are constrained to low formal oxidation states, m-m bonds will form to allow the metal to exercise a higher valency. It is assumed that (n-l)d orbitals are used for such bonds and predictions of the feasibility of m-m bonding are possible by the comparison of the size of such orbitals with the expected inter-metal distances in polymeric metal oxides and halides. It is concluded that binary oxides and halides (excepting fluorides) of the lower oxidation states of Zr, Hf, Nb, Ta, Mo, W, and Re and of a few neighbouring elements will display m-m bonds.


1962 ◽  
Vol 66 (1) ◽  
pp. 173-174 ◽  
Author(s):  
George W. Harrington ◽  
H. T. Tien

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