Triphenylphosphine selenide is an
organophosphorus compound
Organophosphorus compounds are organic compounds containing phosphorus. They are used primarily in pest control as an alternative to chlorinated hydrocarbons that persist in the environment. Some organophosphorus compounds are highly effective in ...
with the formula (C
6H
5)
3PSe. It is a white solid which is soluble in most organic solvents. The compound is used in the preparation of other selenium compounds and is itself prepared by the reaction of
triphenylphosphine with potassium
selenocyanate
A selenocyanate is an ion or chemical compound that contains the -SeCN group, which could be in the form of an anion, SeCN−. Organic selenocyanates also exist.
Some complex ions with transition metals such as silver and mercury (mercuriselenoc ...
.
Single crystals have been isolated with both
monoclinic and
triclinic structures (
space groups
In mathematics, physics and chemistry, a space group is the symmetry group of an object in space, usually in three dimensions. The elements of a space group (its symmetry operations) are the rigid transformations of an object that leave it unchan ...
: P2
1/c and P{{overline, 1 respectively); in both cases the geometry at phosphorus is tetrahedral.
See also
*
Triphenylphosphine oxide
*
Triphenylphosphine sulfide
*
Trioctylphosphine selenide
Trioctylphosphine selenide (TOPSe) is an organophosphorus compound with the chemical formula, formula SeP(C8H17)3. It is used as a source of selenium in the preparation of cadmium selenide. TOPSe is a white, air-stable solid that is soluble in or ...
References
Organophosphanes
Selenides
Phenyl compounds