Cyclopentadienylvanadium tetracarbonyl

Source: Wikipedia, the free encyclopedia.
Cyclopentadienylvanadium tetracarbonyl
Identifiers
3D model (
JSmol
)
EC Number
  • 235-163-9
  • InChI=1S/C5H5.4CO.V/c1-2-4-5-3-1;4*1-2;/h1-5H;;;;;
    Key: LIFGJKDEFQAOFY-UHFFFAOYSA-N
  • [C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].C1=C[CH]C=C1.[V]
Properties
Appearance orange solid
Density 1.56 g/cm3
Boiling point sublimes
Hazards
GHS labelling:
GHS06: ToxicGHS07: Exclamation mark
Danger
H301, H311, H315, H319, H330, H335
P260, P261, P264, P270, P271, P280, P284, P301+P310, P302+P352, P304+P340, P305+P351+P338, P310, P312, P320, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Cyclopentadienylvanadium tetracarbonyl is the

piano stool complex.[1] The compound is soluble in common organic solvents.[2]
The compound has no commercial applications.

Reactions

Reduction with sodium amalgam gives the dianion of the tricarbonyl:

CpV(CO)4 + 2 Na → Na2CpV(CO)3 + CO

Protonation of this salt gives Cp2V2(CO)5.[3]

Heating a mixture of cycloheptatriene and cyclopentadienylvanadium tetracarbonyl gives (cycloheptatrienyl)(cyclopentadienyl)vanadium ("trovacene").[4]

References

  1. doi:10.1016/S0022-328X(00)83671-2
    .
  2. ISBN 9780470132388. {{cite book}}: |journal= ignored (help
    )
  3. doi:10.1002/cber.19701031133
    .
  4. doi:10.1021/ja01528a063
    .
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