H8 N2 O13 P4 Si Durif A, Averbuch-Pouchot M, Guitel J Acta Crystallographica B32 (1976) 2957-2960 Structure cristalline de (N H4)2 Si P4 O13: un nouvel exemple de silicium hexacoordine _cod_database_code 1007008 _database_code_amcsd 0009577 CELL PARAMETERS: 15.1400 7.6840 4.8610 97.860 96.740 83.890 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 553.971 Density (g/cm3): 2.326 MAX. ABS. INTENSITY / VOLUME**2: 26.27954110 RIR: 3.679 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.68 3.45 7.5796 0 1 0 2 11.82 100.00 7.4859 2 0 0 2 13.57 2.57 6.5251 -1 1 0 2 17.40 5.65 5.0971 -2 1 0 2 20.65 9.26 4.3003 0 -1 1 2 20.95 3.66 4.2400 -2 0 1 2 23.18 1.46 3.8365 0 1 1 2 23.68 1.02 3.7570 1 2 0 2 24.16 2.52 3.6837 1 1 1 2 24.76 1.48 3.5962 -1 2 0 2 25.35 3.07 3.5141 2 -1 1 2 25.35 2.72 3.5138 2 2 0 2 25.70 2.82 3.4668 -2 1 1 2 26.50 15.03 3.3639 2 1 1 2 27.34 9.59 3.2626 -2 2 0 2 27.88 3.64 3.1998 -1 -2 1 2 28.13 3.35 3.1724 0 -2 1 2 28.70 8.66 3.1108 -4 0 1 2 28.82 1.04 3.0976 -3 1 1 2 28.92 11.58 3.0875 -2 -2 1 2 29.26 1.98 3.0524 -4 -1 1 2 29.90 3.24 2.9885 3 1 1 2 30.91 3.43 2.8929 -3 2 0 2 31.12 1.23 2.8741 -3 -2 1 2 32.03 2.46 2.7945 4 2 0 2 32.80 1.34 2.7302 -4 1 1 2 34.08 2.38 2.6308 4 1 1 2 37.96 1.86 2.3706 0 -1 2 2 38.25 3.05 2.3531 -2 0 2 2 38.83 4.18 2.3191 5 1 1 2 39.03 1.81 2.3080 -6 1 0 2 41.52 2.65 2.1750 -3 3 0 2 42.65 1.65 2.1200 -4 0 2 2 44.02 1.65 2.0572 6 1 1 2 45.10 1.41 2.0102 -4 3 0 2 61.81 1.77 1.5009 -4 -2 3 2 63.02 1.50 1.4751 1 -5 1 2 64.52 1.42 1.4443 -5 3 2 2 66.69 1.10 1.4024 7 2 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.