Pentamethylarsenic

Pentamethylarsenic
Names
	Preferred IUPAC name Pentamethyl-λ5-arsane
Identifiers
CAS Number	51043-92-6 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	2408247
ChEBI	CHEBI:35867 ;
PubChem CID	9548862;
CompTox Dashboard (EPA)	DTXSID401297995 ;
	InChI InChI=1S/5CH3.As/h5*1H3; ;
	SMILES C[As](C)(C)(C)C;
Properties
Chemical formula	As(CH3)5
Molar mass	150.097 g·mol−1
Appearance	colourless liquid
Melting point	−6 °C (21 °F; 267 K)
Boiling point	>100 °C (212 °F; 373 K)
Structure
Molecular shape	trigonal bipyramidal
Dipole moment	0 D
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	explosive, flammable
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H331, H410
Related compounds
Related pentamethyl	Pentamethylantimony; Pentamethylbismuth; Pentamethyltantalum;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). (what is ?) Infobox references

Pentamethylarsenic (or pentamethylarsorane^[1])is an organometalllic compound containing five methyl groups bound to an arsenic atom with formula As(CH₃)₅. It is an example of a hypervalent compound. The molecular shape is trigonal bipyramid.^[2]

^ Cite error: The named reference aoc was invoked but never defined (see the help page).
^ Greene, Tim M.; Downs, Anthony J.; Pulham, Colin R.; Haaland, Arne; Verne, Hans Peter; Volden, Hans Vidar; Timofeeva, Tatjana V. (November 1998). "Molecular Structures of Pentamethylarsenic(V) and Trimethyldichloroarsenic(V) by Gas Electron Diffraction and ab Initio Calculations:? Molecular Mechanics Calculations on Pentamethylarsenic(V), Pentaphenylarsenic(V), and Related Compounds". Organometallics. 17 (24): 5287–5293. doi:10.1021/om980520r.