| Name: | LETNIKOVITE-(Ce) | ||
| Specification: | [1], DF | ||
| Formula: | (Na[])Ca2Ce2[Si7O17(OH)]F4 · 4H2O | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/m | ||
| Unit Cell Parameters: | a = 7.4726 | b = 22.9196 | c = 13.9360 | beta = 105.6000 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 2299.44 |
| Number of Atomic Position per full Unit Cell: | P/U = 184 | Molar Volume, cm3/mol: | Vm = 346.26 |
| Number of Reflexes used in Structure Determination: | NR = 183 | X-ray density, g/cm3: | p = 2.94 |
| R-factor: | R = 0.0420 | MU, 1/cm: | µ = 325.350 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 110.688 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||