Summary of the structural features and properties of the four isostructural HOFs based on HAT derivatives.

	CPHAT-1	CBPHAT-1	TolHAT-1	ThiaHAT-1
Periodicity of the framework/Å	18.66	19.75	29.77	32.91
RMSD of the HAT core plane/Å	0.267	0.205	0.215	0.229
Stacking distance/Å	3.59	3.57	3.49	3.49
Torsion angle of arms/°	22.5	22.1	23.5	24.5
Number of interpenetrations	4	6	8	8
Height of the channel aperture/Å	6.4	14.5	19.2	18.0
Void ratio	0.31	0.45	0.55	0.48
Pore width based on NLDFT/Å	—a	12.4	16.6	15.5
BET surface area/m2 g−1	649	1288	440	1394
N2 uptake/mL(STP) g−1	21.39	361.7	155.2	415.7
CO2 uptake/mL(STP) g−1	137.4	304.5	168.6	313.9
Decomposition temp./°C	339	307	190	305
Ref.	Ref. 36	Ref. 37	This work	This work

^aNot determined.