Name: | CHRYSOBERYL | ||

Specification: | [12], structure type - chrysoberyl | ||

Formula: | Al_{2}BeO_{4} | ||

Symmetry Class: | orthorhombic | ||

Space Group: | P nma | ||

Unit CellParameters: | a = 9.4070 | b = 5.4781 | c = 4.4285 | ||

Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å: ^{3} | V = 228.21_{c} |

Number of Atomic Position: per full Unit Cell | P/U = 28 | Molar Volume, cm: ^{3}/mol | V = 34.37_{m} |

Number of Reflexes used in: Structure Determination | NR = 1290 | X-ray density, g/cm^{3}: | p = 3.69 |

R-factor: | R = 0.0120 | MU, 1/cm: | µ = 98.112 |

Wave Length for Calculated: Powder Diffraction Patterns | Cu=1.54056 | Mass attenuation coefficient,: cm ^{2}/g | µ/p = 26.558 |

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