| Name: | CHURCHITE-(Y) | ||
| Specification: | [1], "distorted" structure type - gypsum | ||
| Formula: | YPO4 · 2H2O | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | I 2/a | ||
| Unit Cell Parameters: | a = 5.5780 | b = 15.0060 | c = 6.2750 | beta = 117.8300 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 464.49 |
| Number of Atomic Position per full Unit Cell: | P/U = 32 | Molar Volume, cm3/mol: | Vm = 69.94 |
| Number of Reflexes used in Structure Determination: | NR = 644 | X-ray density, g/cm3: | p = 3.09 |
| R-factor: | R = 0.0770 | MU, 1/cm: | µ = 218.897 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 70.933 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||