Birnessite Lopano C L, Heaney P J, Post J E, Hanson J, Komarneni S American Mineralogist 92 (2007) 380-387 Time-resolved structural analysis of K-and Ba-exchange reactions with synthetic Na-birnessite using synchrotron X-ray diffraction Locality: synthetic Sample: K-birnessite _database_code_amcsd 0004277 CELL PARAMETERS: 5.1371 2.8476 7.2131 89.960 100.750 89.702 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 103.663 Density (g/cm3): 3.574 MAX. ABS. INTENSITY / VOLUME**2: 61.56156822 RIR: 5.608 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.49 100.00 7.0865 0 0 1 2 25.13 39.08 3.5433 0 0 2 2 35.47 5.53 2.5311 -2 0 1 2 35.58 3.98 2.5234 2 0 0 2 36.31 5.03 2.4743 -1 1 0 2 37.23 11.56 2.4149 -1 -1 1 2 37.37 7.78 2.4066 -1 1 1 2 39.49 3.96 2.2821 1 1 1 2 40.10 14.87 2.2484 2 0 1 2 42.49 4.57 2.1274 -1 -1 2 2 42.58 10.68 2.1234 -1 1 2 2 46.69 1.91 1.9455 1 -1 2 2 47.57 2.84 1.9115 -2 0 3 2 48.01 4.67 1.8952 2 0 2 2 50.86 7.90 1.7953 -1 -1 3 2 50.90 4.80 1.7939 -1 1 3 2 51.59 1.86 1.7716 0 0 4 2 56.08 3.57 1.6399 1 1 3 2 56.29 1.36 1.6344 1 -1 3 2 57.74 1.55 1.5968 -2 0 4 2 58.27 3.41 1.5834 2 0 3 2 61.46 1.35 1.5086 -1 -1 4 2 61.48 1.74 1.5083 -1 1 4 2 63.29 1.59 1.4693 -3 -1 1 2 63.61 1.75 1.4627 -3 1 1 2 64.14 2.43 1.4519 3 1 0 2 64.49 2.40 1.4450 -3 1 0 2 65.45 2.36 1.4259 -3 -1 2 2 65.57 2.03 1.4238 0 2 0 2 65.74 1.74 1.4204 -3 1 2 2 67.02 1.09 1.3963 0 2 1 2 67.07 1.64 1.3954 0 -2 1 2 67.66 1.26 1.3848 1 1 4 2 67.87 1.73 1.3810 1 -1 4 2 69.78 1.74 1.3477 -2 0 5 2 81.09 1.03 1.1860 1 1 5 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.