Synthesis · Air-Stability and Carrier Type in Conductive M3(Hexaaminobenzene)2,(M = Co, Ni, Cu)

3 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Complete recipeSource: SI

S2 · Materials

Metal precursors21.0 mg (0.072 mmol) [Co(NO3)2.6H2O]; SI text calls it nickel nitrate hexahydrate but bracketed formula is cobalt nitrate

Linker precursors10 mg HAB.3HCl (0.036 mmol)

Solventswater: 6 mL for metal salt plus 5 mL for HAB.3HCl

Additives60 microL of 6 M aqueous ammonium hydroxide (0.36 mmol, 10 equiv to HAB)

Atmosphereair

TemperatureRT synthesis; dried under vacuum at 80 degC

Time1 h stirring; 3 h vacuum drying

Work-upfiltered and washed with copious amounts of water and acetone

Activationdried under vacuum at 80 degC for 3 h prior to characterisation

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	[Co(NO3)2.6H2O]	21.0 mg (0.072 mmol)	S2 · Materials
Linker	HAB.3HCl	10 mg (0.036 mmol)	S2 · Materials
Solvent	H2O	6 mL + 5 mL	S2 · Materials
Base	aqueous ammonium hydroxide (NH4OH)	60 microL (0.36 mmol, 10 equiv to HAB) · 6 M	S2 · Materials

Complete recipeSource: SI

S2 · Materials

Metal precursors16.8 mg (0.072 mmol) [Cu(NO3)2.2.5H2O]

Linker precursors10 mg HAB.3HCl (0.036 mmol)

Solventswater: 10 mL for metal salt plus 5 mL for HAB.3HCl

Additives60 microL of 6 M aqueous ammonium hydroxide (0.36 mmol, 10 equiv to HAB)

Atmosphereair

TemperatureRT synthesis; dried under vacuum at 80 degC

Time1 h stirring; 3 h vacuum drying

Work-upfiltered and washed with copious amounts of water and acetone

Activationdried under vacuum at 80 degC for 3 h prior to characterisation

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	[Cu(NO3)2.2.5H2O]	16.8 mg (0.072 mmol)	S2 · Materials
Linker	HAB.3HCl	10 mg (0.036 mmol)	S2 · Materials
Solvent	H2O	10 mL + 5 mL	S2 · Materials
Base	aqueous ammonium hydroxide (NH4OH)	60 microL (0.36 mmol, 10 equiv to HAB) · 6 M	S2 · Materials

Complete recipeSource: SI

S2 · Materials

Metal precursors21.0 mg (0.072 mmol) nickel nitrate hexahydrate [Ni(NO3)2.6H2O]

Linker precursors10 mg HAB.3HCl (0.036 mmol)

Solventswater: 10 mL for metal salt plus 5 mL for HAB.3HCl

Additives60 microL of 6 M aqueous ammonium hydroxide (0.36 mmol, 10 equiv to HAB)

Atmosphereair

TemperatureRT synthesis; dried under vacuum at 80 degC

Time1 h stirring; 3 h vacuum drying

Work-upfiltered and washed with copious amounts of water and acetone

Activationdried under vacuum at 80 degC for 3 h prior to characterisation

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	[Ni(NO3)2.6H2O]	21.0 mg (0.072 mmol)	S2 · Materials
Linker	HAB.3HCl	10 mg (0.036 mmol)	S2 · Materials
Solvent	H2O	10 mL + 5 mL	S2 · Materials
Base	aqueous ammonium hydroxide (NH4OH)	60 microL (0.36 mmol, 10 equiv to HAB) · 6 M	S2 · Materials