F Nb2 O5 Rb Fourquet J, Jacoboni C, de Pape R Materials Research Bulletin 8 (1973) 393-404 Les pyrochlores A B2 X6. Mise en evidence de l'occupation par le cation A de nouvelles positions cristallographiques dans le groupe d'espace Fd3m _cod_database_code 1000493 _database_code_amcsd 0014229 CELL PARAMETERS: 10.4920 10.4920 10.4920 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1154.981 Density (g/cm3): 4.258 MAX. ABS. INTENSITY / VOLUME**2: 104.5967134 RIR: 7.998 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.62 26.64 6.0576 1 1 1 8 23.99 9.89 3.7095 2 2 0 12 28.21 100.00 3.1635 3 1 1 24 29.49 45.27 3.0288 2 2 2 8 44.89 13.45 2.0192 3 3 3 8 44.89 11.36 2.0192 5 1 1 24 49.12 36.20 1.8547 4 4 0 12 51.53 6.04 1.7735 5 3 1 48 55.38 2.23 1.6589 6 2 0 24 57.61 9.60 1.6000 5 3 3 24 58.34 16.25 1.5817 6 2 2 24 61.20 1.66 1.5144 4 4 4 8 63.30 3.90 1.4692 5 5 1 24 63.30 1.25 1.4692 7 1 1 24 68.72 10.97 1.3659 7 3 1 48 68.72 2.65 1.3659 5 5 3 24 72.00 3.50 1.3115 8 0 0 6 79.04 3.84 1.2115 7 5 1 48 79.67 5.68 1.2035 6 6 2 24 82.17 3.24 1.1730 8 4 0 24 84.04 1.12 1.1516 7 5 3 48 84.04 1.26 1.1516 9 1 1 24 89.00 2.83 1.0999 9 3 1 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.