ISSN:
1572-8854
Keywords:
Technetium (VII) phosphinimines
;
ion pair structure
;
technetium-99
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
,
Physics
Notes:
Abstract An X-ray diffraction study and the solution chemistry is reported for the very stable ion pair [Ph3P=NH+ 2][TcO− 4]. This compound crystallizes in the orthorhombic system, in space group P212121, with cell dimensions of a = 11.1454(6), b = 11.449(2), and c = 14.570(2)Å, and refining to R = 0.023 and R W = 0.031. Strong hydrogen bonds are formed between the iminium protons and the pertechnetate oxygens (1.89(6) and 2.23(6) Å) in the solid state, and similar hydrogen bonding apparently occurs in aqueous solution to stabilize the phosphiniminium cation to hydrolysis.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1009567113851
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