Stannocene

Stannocene
Names
	IUPAC name Stannocene; Bis(η5-cyclopentadienyl)tin(II);
	Other names Bis(cyclopentadienyl)tin; Di(cyclopentadienyl)tin;
Identifiers
CAS Number	1294-75-3;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/2C5H5.Sn/c21-2-4-5-3-1;/h21-5H;/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
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

Stannocene is an organometallic compound with the formula Sn(C₅H₅)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]

References

^ Stannocene
^ 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.
^ 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
^ Smith, P. J. (2012). Chemistry of Tin. Springer Science & Business Media. ISBN 9789401149389.

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