Pentamethyltantalum

Pentamethyltantalum
Names
	Systematic IUPAC name pentamethyl-λ5-tantalane
Identifiers
CAS Number	53378-72-6 ;
3D model (JSmol)	Interactive image;
PubChem CID	143042;
CompTox Dashboard (EPA)	DTXSID90968024 ;
	InChI InChI=1S/5CH3.Ta/h51H3;/q5-1;+5 Key: GFPNFSSWCUULLCP-UHFFFAOYSA-N ;
	SMILES C[Ta](C)(C)(C)C;
Properties
Chemical formula	C5H15Ta
Molar mass	256.123 g·mol−1
Appearance	yellow oil, green solid at −20°
Melting point	0 °C (32 °F; 273 K)
Solubility	diethylether, pentane, 2-methylbutane
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	169.8 213 kJ/mol
Related compounds
Related compounds	Pentamethylarsenic ; Pentamethylbismuth ; Pentamethylantimony
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). (what is ?) Infobox references

Pentamethyltantalum is a homoleptic organotantalum compound. It has a propensity to explode when it is melted. Its discovery was part of a sequence that led to Richard R. Schrock's Nobel Prize winning discovery in olefin metathesis.

Names


Systematic IUPAC name pentamethyl-λ⁵-tantalane
Identifiers
CAS Number	53378-72-6^Y
3D model (JSmol)	Interactive image
PubChem CID	143042
CompTox Dashboard (EPA)	DTXSID90968024
InChI InChI=1S/5CH3.Ta/h51H3;/q5-1;+5^N Key: GFPNFSSWCUULLCP-UHFFFAOYSA-N^N
SMILES C[Ta](C)(C)(C)C
Properties
Chemical formula	C₅H₁₅Ta
Molar mass	256.123 g·mol⁻¹
Appearance	yellow oil, green solid at −20°
Melting point	0 °C (32 °F; 273 K)
Solubility	diethylether, pentane, 2-methylbutane
Thermochemistry
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	169.8 213 kJ/mol
Related compounds
Related compounds	Pentamethylarsenic Pentamethylbismuth Pentamethylantimony
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N (what is ^YN ?) Infobox references