Pentazolate
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In chemistry, a pentazolate is a compound that contains a cyclo–N−5 ion, the anion of pentazole. In 2017, researchers prepared the first salt (N5)6(H3O)3(NH4)4Cl containing pentazolate anion starting a substituted phenylpentazole, m-CPBA and iron(II) glycinate. A series of metal and nonmetal pentazolates were subsequently synthesized according to their work.
List of pentazolates
| Appearance | Dec. temp (°C) | Ref | |
|---|---|---|---|
| LiN5 | white | 133 | |
| LiN5·3H2O | colorless | 139 | |
| [Na(N5)(H2O)]·2H2O | colorless | 111.3 | |
| [Mg(N5)2(H2O)6]·4H2O | colorless | 103.5 | |
| [Al(N5)3(H2O)6]·9H2O | white | 141.4 | |
| [Mn(N5)2(H2O)4]·4H2O | colorless | 104.1 | |
| [Fe(N5)2(H2O)4]·4H2O | pale green | 114.7 | |
| [Fe(N5)3(H2O)6]·9H2O | reddish brown | 108.9 | |
| [Co(N5)2(H2O)4]·4H2O | bright orange | 58.9 | |
| AgN5 | pale white | 120 | |
| [Pb4(OH)4]4(N5)4 | colorless | 80 | |
| [N(CH3)4]N5 | white | 80.8 | |
| (NH3OH)N5 | white | 104.3 | |
| [C(NH2)3]N5 | white | 88.1 | |
| NH4N5 | white | 102.0 | |
| N2H5N5 | white | 85.3 | |
| (CN7H6)N5 | 96.3 |