Name: | HEDYPHANE | ||

Specification: | [1], structure type - apatite | ||

Formula: | Ca_{2}Pb_{3}[AsO_{4}]_{3}Cl | ||

Symmetry Class: | hexagonal | ||

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

Unit CellParameters: | a = 10.1400 | c = 7.1850 | ||

Number of Formula Unit: | Z = 2 | Unit Cell Volume, Å: ^{3} | V = 639.78_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 42 | Molar Volume, cm: ^{3}/mol | V = 192.68_{m} |

Number of Reflexes used in: Structure Determination | NR = 550 | X-ray density, g/cm^{3}: | p = 5.99 |

R-factor: | R = 0.0620 | MU, 1/cm: | µ = 943.969 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 157.637 |

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