Archerite Levy H A, Peterson S W, Simonsen S H Physical Review 93 (1954) 1120-1121 Neutron diffraction study of the ferroelectric modification of potassium dihydrogen phosphate Note sample at T = 113 K Note: low temperature polymorph of archerite _database_code_amcsd 0015150 CELL PARAMETERS: 10.5300 10.4400 6.9000 90.000 90.000 90.000 SPACE GROUP: Fdd2 X-RAY WAVELENGTH: 1.541838 Cell Volume: 758.539 Density (g/cm3): 2.383 MAX. ABS. INTENSITY / VOLUME**2: 16.67919114 RIR: 2.279 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.56 44.59 5.0509 1 1 1 4 24.01 100.00 3.7069 2 2 0 4 29.81 19.82 2.9968 3 1 1 4 29.98 12.62 2.9801 1 3 1 4 30.99 47.04 2.8857 2 0 2 2 31.07 49.29 2.8782 0 2 2 2 34.06 11.49 2.6325 4 0 0 2 34.36 11.79 2.6100 0 4 0 2 35.55 7.98 2.5255 2 2 2 4 38.29 1.86 2.3505 4 2 0 4 38.50 1.77 2.3384 2 4 0 4 41.09 9.31 2.1967 1 1 3 4 46.76 26.64 1.9425 4 2 2 4 46.94 27.57 1.9357 2 4 2 4 48.09 3.13 1.8919 3 1 3 4 49.16 2.02 1.8535 4 4 0 4 52.49 3.83 1.7433 5 3 1 4 52.71 3.52 1.7367 3 5 1 4 55.22 5.29 1.6635 6 2 0 4 55.63 4.97 1.6521 2 6 0 4 59.05 5.30 1.5642 6 0 2 2 59.07 8.71 1.5640 2 2 4 4 59.50 5.39 1.5536 0 6 2 2 64.25 1.24 1.4497 5 5 1 4 64.59 4.73 1.4428 4 0 4 2 64.78 4.56 1.4391 0 4 4 2 65.85 1.15 1.4184 5 3 3 4 70.14 5.79 1.3417 6 4 2 4 70.37 5.71 1.3380 4 6 2 4 71.70 2.11 1.3162 8 0 0 2 72.42 2.08 1.3050 0 8 0 2 75.25 9.53 1.2627 4 4 4 4 77.20 1.88 1.2356 6 6 0 4 80.15 4.43 1.1974 6 2 4 4 80.19 4.12 1.1970 8 2 2 4 80.50 4.44 1.1932 2 6 4 4 80.83 3.89 1.1891 2 8 2 4 81.98 2.80 1.1753 8 4 0 4 82.50 2.78 1.1692 4 8 0 4 83.01 1.37 1.1633 6 6 2 4 86.66 1.78 1.1235 2 0 6 2 86.70 1.61 1.1231 0 2 6 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.