Stannocene

Stannocene is an organometallic compound with the formula Sn(C
5H
5)
2. It is a metallocene that can be produced efficiently from cyclopentadienyl sodium and tin(II) chloride.[3] Unlike in ferrocene the two cyclopentadienyl rings are not parallel.[4]

Stannocene

Names
IUPAC name Stannocene Bis(η^5-cyclopentadienyl)tin(II)
Other names Bis(cyclopentadienyl)tin Di(cyclopentadienyl)tin
Identifiers
CAS Number	1294-75-3[1]
3D model (JSmol)	Interactive image
InChI InChI=1S/2C5H5.Sn/c2*1-2-4-5-3-1;/h2*1-5H;/q2*-1;+2 Key: CRQFNSCGLAXRLM-UHFFFAOYSA-N
SMILES [cH-]1cccc1.[cH-]1cccc1.[Sn+2]
Properties
Chemical formula	C10H10Sn
Molar mass	248.900 g·mol^−1
Structure[2]
Crystal structure	orthorhombic
Space group	Pbcm, No.57
Lattice constant	a = 5.835 Å, b = 25.385 Å, c = 12.785 Å
Formula units (Z)	8 formula per cell
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References

1. Stannocene
2. Atwood, Jerry L.; Hunter, William E; Cowley, Alan H.; Jones, Richard A.; Stewart, Constantine A. "X-Ray Crystal Structures of Bis(cyclopentadienyl)tin and Bis(pentamethylcyclopentadienyl)lead". J. Chem. Soc., Chem. Commun.
3. Janiak, Christpher (2010), "Stannocene as cyclopentadienyl transfer agent in transmetallation reactions with lanthanide metals for the synthesis of tris(cyclopentadienyl)lanthanides", Zeitschrift für anorganische und allgemeine Chemie, 636 (13–14): 2387–2390, doi:10.1002/zaac.201000239
4. Smith, P. J. (2012). Chemistry of Tin. Springer Science & Business Media. ISBN 9789401149389.