Name: | SENAITE | ||

Specification: | [2], structure type - crichtonite, at 130^{o}K, DF | ||

Formula: | Pb_{0.5}U_{0.5}(Ti,Fe)_{18}Fe_{2}O_{38} | ||

Symmetry Class: | trigonal | ||

Space Group: | R 3(-) | ||

Unit CellParameters: | a = 10.4390 | c = 21.0910 | ||

Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å: ^{3} | V = 1990.42_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 249 | Molar Volume, cm: ^{3}/mol | V = 399.64_{m} |

Number of Reflexes used in: Structure Determination | - | X-ray density, g/cm^{3}: | p = 4.57 |

R-factor: | - | MU, 1/cm: | µ = 717.572 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 157.040 |

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