Name: | VILLIAUMITE | ||

Specification: | [4], structure type - halite, syn, at 254^{o}C | ||

Formula: | NaF | ||

Symmetry Class: | cubic | ||

Space Group: | F m3m | ||

Unit CellParameters: | a = 4.6726 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 102.02_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 8 | Molar Volume, cm: ^{3}/mol | V = 15.36_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 2.73 |

R-factor: | - | MU, 1/cm: | µ = 65.319 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 23.901 |

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