Name: | NATROJAROSITE | ||

Specification: | [10], structure type - alunite, syn, at 298^{o}K | ||

Formula: | {Na_{0.57}[H_{3}O]_{0.36}[H_{2}O]_{0.07}}Fe_{2.93}[SO_{4}]_{2}(OH)_{5.70}[H_{2}O]_{0.30} | ||

Symmetry Class: | trigonal | ||

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

Unit CellParameters: | a = 7.3270 | c = 16.7320 | ||

Number of Formula Unit: | Z = 3 | Unit Cell Volume, Å: ^{3} | V = 777.91_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 78 | Molar Volume, cm: ^{3}/mol | V = 156.19_{m} |

Number of Reflexes used in: Structure Determination | NR = 383 | X-ray density, g/cm^{3}: | p = 3.10 |

R-factor: | R = 0.0162 | MU, 1/cm: | µ = 142.239 |

Wave Length for Calculated: Powder Diffraction Patterns | Co=1.78892 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 45.871 |

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