Name: | LUKECHANGITE-(Ce) | ||

Specification: | [1] | ||

Formula: | Na_{3}Ce_{2}[CO_{3}]_{4}F | ||

Symmetry Class: | hexagonal | ||

Space Group: | P 6(3)/mmc | ||

Unit CellParameters: | a = 5.0612 | c = 22.8200 | ||

Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å: ^{3} | V = 506.24_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 44 | Molar Volume, cm: ^{3}/mol | V = 152.46_{m} |

Number of Reflexes used in: Structure Determination | NR = 1549 | X-ray density, g/cm^{3}: | p = 3.99 |

R-factor: | R = 0.0340 | MU, 1/cm: | µ = 678.518 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 170.099 |

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