Name: | FREIBERGITE | ||

Specification: | [4], structure type - tennantite-tetrahedrite, Ag | ||

Formula: | Cu_{6.41}Fe_{0.7}Zn_{1.35}Ag_{3.64}Sb_{3.91}As_{0.06}S_{12.93} | ||

Symmetry Class: | cubic | ||

Space Group: | I 4(-)3m | ||

Unit CellParameters: | a = 10.5760 | ||

Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å: ^{3} | V = 1182.94_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 58 | Molar Volume, cm: ^{3}/mol | V = 356.27_{m} |

Number of Reflexes used in: Structure Determination | NR = 341 | X-ray density, g/cm^{3}: | p = 5.18 |

R-factor: | R = 0.0450 | MU, 1/cm: | µ = 831.101 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 160.490 |

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