Imidazolate

Imidazolate
Names
	IUPAC name Imidazolate
	Other names Imidazolide
Identifiers
CAS Number	36954-03-7;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	2631931;
PubChem CID	4605971 Na salt; 12796790 K salt; 15977602 Zn salt; 129690082 Cu salt;
CompTox Dashboard (EPA)	DTXSID201032745 ;
	InChI InChI=1S/C3H4N2/c1-2-5-3-4-1/h1-4H/q-1 Key: LFLLXPLNBAQRCY-UHFFFAOYSA-N; InChI=1S/C3H3N2/c1-2-5-3-4-1/h1-3H/q-1 Key: JBFYUZGYRGXSFL-UHFFFAOYSA-N;
	SMILES c1cnc[n-]1; c1c[n-]cn1;
Properties
Chemical formula	C3H3N2−
Molar mass	67.070 g/mol
Acidity (pKa)	14.05
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	67.8 kJ·mol−1 (16.2 kcal·mol−1) Gas phase.
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Imidazolate (C₃H₃N⁻
₂) is the conjugate base of imidazole. It is a nucleophile and a strong base. The free anion has C_2v symmetry. Imidazole has a pK_a of 14.05,^[1] so the deprotonation of imidazole (C₃H₃N₂H) requires a strong base.

[1]

[2]

Imidazolate

References

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