Name: | CHURCHITE-(Y) | ||

Specification: | [1], "distorted" structure type - gypsum | ||

Formula: | YPO_{4} · 2H_{2}O | ||

Symmetry Class: | monoclinic-beta | ||

Space Group: | I 2/a | ||

Unit CellParameters: | a = 5.5780 | b = 15.0060 | c = 6.2750 | beta = 117.8300 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 464.49_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 32 | Molar Volume, cm: ^{3}/mol | V = 69.94_{m} |

Number of Reflexes used in: Structure Determination | NR = 644 | X-ray density, g/cm^{3}: | 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,: cm ^{2}/g | µ/p = 70.933 |

Theta-Interval for CPDP: | T/I = 1-45 |