| Name: | GYPSUM | ||
| Specification: | [7], structure type - gypsum, at 3.94 Gpa | ||
| Formula: | CaSO4 · 2H2O | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/c | ||
| Unit Cell Parameters: | a = 6.1360 | b = 14.9120 | c = 5.5560 | beta = 115.7000 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 457.97 |
| Number of Atomic Position per full Unit Cell: | P/U = 32 | Molar Volume, cm3/mol: | Vm = 68.96 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 2.50 |
| R-factor: | - | MU, 1/cm: | µ = 152.235 |
| Wave Length for Calculated Powder Diffraction Patterns: | Cu=1.54056 | Mass attenuation coefficient, cm2/g: | µ/p = 60.987 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||