| Name: | TUNISITE | ||
| Specification: | [1] | ||
| Formula: | NaCa2Al4[CO3]4(OH)8Cl | ||
| Symmetry Class: | tetragonal | ||
| Space Group: | *P 4/nmm | ||
| Unit Cell Parameters: | a = 11.1983 | c = 6.5637 | ||
| Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å3: | Vc = 823.10 |
| Number of Atomic Position per full Unit Cell: | P/U = 80 | Molar Volume, cm3/mol: | Vm = 247.89 |
| Number of Reflexes used in Structure Determination: | NR = 692 | X-ray density, g/cm3: | p = 2.54 |
| R-factor: | R = 0.0590 | MU, 1/cm: | µ = 107.607 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 42.300 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||