Name: | CHRYSOBERYL | ||
Specification: | [5], structure type - chrysoberyl, at 690oC | ||
Formula: | Al2BeO4 | ||
Symmetry Class: | orthorhombic | ||
Space Group: | P bnm | ||
Unit Cell Parameters: | a = 4.4457 | b = 9.4491 | c = 5.5011 | ||
Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 231.09 |
Number of Atomic Position per full Unit Cell: | P/U = 28 | Molar Volume, cm3/mol: | Vm = 34.80 |
Number of Reflexes used in Structure Determination: | NR = 300 | X-ray density, g/cm3: | p = 3.65 |
R-factor: | R = 0.0230 | MU, 1/cm: | µ = 96.890 |
Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 26.558 |
Theta-Interval for CPDP: | T/I = 1-45 |