Table 2.
Lattice parameters in the tetragonal system, interlayer distances d, quantitative compositions (interlayer organic x and water y content per formula unit), light absorption edge, and specific surface areas of the samples.
| Sample | a (Å) | c (Å) | d (Å) | x | y | Eg (eV) | λmax (nm) | S (m2/g) |
|---|---|---|---|---|---|---|---|---|
| HCN3 | 3.82 | 16.0 | 16.0 | − | 1.50 | 3.50 | 354 | 7.6 |
| HCN3×BuNH2 | 3.86 | 25.4 | 25.4 | 1.00 | 0.45 | 3.62 | 343 | 5.0 |
| HCN3×EtOH | 3.86 | 35.8 | 17.9 | 0.90 | 0.45 | 3.50 | 354 | 3.9 |
| HLT3 | 3.79 | 27.2 | 13.6 | − | 0.15 | 3.44 | 360 | 3.2 |
| HLT3×EtNH2 | 3.82 | 20.2 | 20.2 | 0.70 | 0.35 | 3.39 | 366 | − * |
| HLT3×EtOH | 3.83 | 39.5 | 19.8 | 0.85 | 0.40 | 3.41 | 364 | − * |
* not measured.