I4 Nb4 Se4 Ben Yaich H, Jegaden J, Potel M, Sergent M, Rastogi A, Tournier R Journal of the Less-Common Metals 102 (1984) 9-22 Nouveaux chalcogenures et chalcohalogenures a clusters tetraedriques Nb4 ou Ta4 _cod_database_code 1008284 _database_code_amcsd 0016206 CELL PARAMETERS: 10.7600 10.7600 10.7600 90.000 90.000 90.000 SPACE GROUP: F-43m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1245.767 Density (g/cm3): 6.371 MAX. ABS. INTENSITY / VOLUME**2: 186.9780582 RIR: 9.556 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.26 41.47 6.2123 1 1 1 4 16.48 7.81 5.3800 2 0 0 6 27.49 17.99 3.2443 3 1 1 12 28.74 40.33 3.1061 2 2 2 4 33.31 100.00 2.6900 4 0 0 6 36.40 16.02 2.4685 3 3 1 12 37.38 2.22 2.4060 4 2 0 24 41.10 7.87 2.1964 4 2 2 12 43.71 7.49 2.0708 5 1 1 12 43.71 6.72 2.0708 3 3 3 4 47.82 59.21 1.9021 4 4 0 12 50.92 2.25 1.7933 6 0 0 6 50.92 2.16 1.7933 4 4 2 12 56.75 25.50 1.6221 6 2 2 12 59.52 17.46 1.5531 4 4 4 4 61.55 4.21 1.5067 5 5 1 12 61.55 2.54 1.5067 7 1 1 12 62.22 2.76 1.4921 6 4 0 24 64.84 1.58 1.4379 6 4 2 24 66.78 4.38 1.4008 7 3 1 24 69.94 6.15 1.3450 8 0 0 6 71.81 3.32 1.3145 7 3 3 12 72.43 1.15 1.3048 6 4 4 12 74.88 2.48 1.2681 8 2 2 12 76.70 1.09 1.2425 5 5 5 4 76.70 1.50 1.2425 7 5 1 24 77.31 11.66 1.2343 6 6 2 12 79.71 15.60 1.2030 8 4 0 24 82.09 1.61 1.1740 8 4 2 24 89.17 11.43 1.0982 8 4 4 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.