Lithium borohydride

Lithium borohydride
	; Unit cell of lithium borohydride at room temperature
Names
	IUPAC name Lithium tetrahydridoborate(1–)
	Other names Lithium hydroborate,; Lithium tetrahydroborate; Borate(1-), tetrahydro-, lithium, lithium boranate
Identifiers
CAS Number	16949-15-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	55732 ;
ECHA InfoCard	100.037.277
PubChem CID	4148881;
RTECS number	ED2725000;
UNII	8L87X4S4KP ;
CompTox Dashboard (EPA)	DTXSID40895058 ;
	InChI InChI=1S/BH4.Li/h1H4;/q-1;+1 Key: UUKMSDRCXNLYOO-UHFFFAOYSA-N ; InChI=1/BH4.Li/h1H4;/q-1;+1 Key: UUKMSDRCXNLYOO-UHFFFAOYAS;
	SMILES [Li+].[BH4-];
Properties
Chemical formula	LiBH4
Molar mass	21.784 g/mol
Appearance	White solid
Density	0.666 g/cm3
Melting point	268 °C (514 °F; 541 K)
Boiling point	380 °C (716 °F; 653 K) decomposes
Solubility in water	reacts
Solubility in ether	2.5 g/100 mL
Structure
Crystal structure	orthorhombic
Point group	Pnma
Lattice constant	a = 7.17858(4), b = 4.43686(2), c = 6.80321(4)
Lattice volume (V)	216.685(3) A3
Formula units (Z)	4
Coordination geometry	[4]B
Thermochemistry
Heat capacity (C)	82.6 J/(mol⋅K)
Std molar; entropy (S⦵298)	75.7 J/(mol⋅K)
Std enthalpy of; formation (ΔfH⦵298)	−198.83 kJ/mol
Hazards
Autoignition; temperature	> 180 °C (356 °F; 453 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Lithium borohydride (LiBH₄) is a borohydride and known in organic synthesis as a reducing agent for esters. Although less common than the related sodium borohydride, the lithium salt offers some advantages, being a stronger reducing agent and highly soluble in ethers, whilst remaining safer to handle than lithium aluminium hydride.

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