Cyclopentadienyltungsten tricarbonyl dimer is the organotungsten compound with the formula Cp
2W
2(CO)
6, where Cp is C
5H
5. A dark red
crystal
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macros ...
line solid, it is the subject of research, although it has no or few practical uses.
Structure and synthesis
The molecule exists in two
rotamer
In chemistry, rotamers are chemical species that differ from one another primarily due to rotations about one or more single bonds. Various arrangements of atoms in a molecule that differ by rotation about single bonds can also be referred to as ...
s, gauche and anti. The six CO ligands are terminal, and the W-W bond distance is 3.222 Å. The compound is prepared by treatment of
tungsten hexacarbonyl
Tungsten hexacarbonyl (also called tungsten carbonyl) is an organometallic compound with the formula W(CO)6. This complex gave rise to the first example of a dihydrogen complex.Kubas, G. J., Metal Dihydrogen and σ-Bond Complexes, Kluwer Academic ...
with
sodium cyclopentadienide
Sodium cyclopentadienide is an organosodium compound with the formula C5H5Na. The compound is often abbreviated as NaCp, where Cp− is the cyclopentadienide anion. Sodium cyclopentadienide is a colorless solid, although samples often are pin ...
followed by oxidation of the resulting NaW(CO)
3(C
5H
5).
Related compounds
*
Cyclopentadienylmolybdenum tricarbonyl dimer
Cyclopentadienylmolybdenum tricarbonyl dimer is the chemical compound with the formula Cp2Mo2(CO)6, where Cp is C5H5. A dark red solid, it has been the subject of much research although it has no known practical uses.
Structure and synthesis
The ...
*
Cyclopentadienylchromium tricarbonyl dimer
Cyclopentadienylchromium tricarbonyl dimer is the organochromium compound with the formula Cp2Cr2(CO)6, where Cp is C5H5. A dark green crystalline solid. It is the subject of research it exists in measureable equilibrium quantities with the mono ...
References
{{Cyclopentadienide complexes
Organotungsten compounds
Carbonyl complexes
Dimers (chemistry)
Half sandwich compounds
Cyclopentadienyl complexes
Chemical compounds containing metal–metal bonds