Institute of Experimental Mineralogy Russian Academy of Sciences ------------------------------------------------- 142432, Chernogolovka, Moscow district A.V. Chichagov +7(496)52-22320 *** *** W W W - X R A Y P O L *** *********************** ARAGONITE 1, g-aragonite CaCO(3) Orthorhombic P mcn Z = 4 R =0.021 8 .5 .1990 Ref.Str.: Jarosch D., Heger G. (1986) * Tschermaks Min. Petr. Mitt., 35, 127-131 Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 4.9611 alpha = 90.0 b = 7.9672 beta = 90.0 c = 5.7404 gamma = 90.0 Unit cell volume (cub. angs.) = 226.9 Molar volume ( cub.cm/mol.) = 34.17 Co-ordinates, thermal parameters, occupation for atomic positions: NoP x/a y/b z/c B(j) atom / occupation 1 0.25 0.4151 0.2405 0.0 Ca = 1.00 2 0.25 0.7621 0.0852 0.0 C = 1.00 3 0.25 0.9222 0.0956 0.0 O = 1.00 4 0.4735 0.6807 0.0873 0.0 O = 1.00 Co-ordinates for all atomic positions : No NoP x/a y/b z/c 1 1 0.25 0.4151 0.2405 2 2 0.25 0.7621 0.0852 3 3 0.25 0.9222 0.0956 4 4 0.4735 0.6807 0.0873 5 1 0.75 0.5849 0.7595 6 2 0.75 0.2379 0.9148 7 3 0.75 0.0778 0.9044 8 4 0.5265 0.3193 0.9127 9 1 0.25 0.0849 0.7405 10 2 0.25 0.7379 0.5852 11 3 0.25 0.5778 0.5956 12 4 0.0265 0.8193 0.5873 13 1 0.75 0.9151 0.2595 14 2 0.75 0.2621 0.4148 15 3 0.75 0.4222 0.4044 16 4 0.9735 0.1807 0.4127 17 4 0.0265 0.6807 0.0873 18 4 0.9735 0.3193 0.9127 19 4 0.4735 0.8193 0.5873 20 4 0.5265 0.1807 0.4127 X-ray density (g/cm cub.) = 2.93 MU (1/cm) = 207.784 Mass attenuation coefficient (cm**2/g) = 70.939 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 Ca 2.88 9 2.5457 4 2.4505 4 2.4157 3 2.6536 3 2.6536 3 2.5192 4 2.5457 4 2.4505 4 2.5192 4 2 C 1.872 3 1.2769 3 1.2846 4 1.2846 4 3 O 3.264 10 2.2212 4 2.9824 3 2.9824 3 3.1414 4 3.2273 4 3.0719 4 2.2212 4 3.1414 4 3.2273 4 3.0719 4 4 O 3.264 9 2.2212 3 3.0601 4 3.2273 3 3.1414 3 3.0719 3 2.7435 4 2.2176 4 3.0753 4 3.0753 4 X-ray diffraction powder data (II), X-Ray W.L. = 1.54056(angs.): No H K L Theta 2*Theta S LPG MF F I int. ( degree ) *100 1 0 1 1 9.52 19.04 0.107 70.19 4 2.0 2.3 2 1 1 0 10.539 21.078 0.119 56.88 4 6.2 16.9 3 0 2 0 11.149 22.298 0.126 50.6 2 6.3 7.8 4 1 1 1 13.112 26.223 0.147 36.01 8 43.8 1072.4 5 0 2 1 13.613 27.226 0.153 33.26 4 48.8 616.1 6 0 0 2 15.567 31.135 0.174 24.97 2 22.5 49.0 7 1 2 1 16.377 32.755 0.183 22.38 8 16.3 92.5 8 0 1 2 16.574 33.148 0.185 21.81 4 58.2 574.4 9 1 0 2 18.062 36.124 0.201 18.08 4 47.2 313.3 10 2 0 0 18.091 36.182 0.202 18.02 2 52.7 194.4 11 0 3 1 18.638 37.275 0.207 16.88 4 35.9 168.5 12 1 1 2 18.952 37.904 0.211 16.26 8 42.4 453.7 13 1 3 0 19.207 38.415 0.214 15.79 4 50.7 315.6 14 0 2 2 19.316 38.632 0.215 15.59 4 42.2 215.7 15 2 1 1 20.599 41.198 0.228 13.52 8 27.3 156.4 16 1 3 1 20.812 41.624 0.231 13.21 8 4.8 4.8 17 1 2 2 21.432 42.865 0.237 12.37 8 0.9 0.2 18 2 2 0 21.457 42.915 0.237 12.34 4 50.1 240.2 19 0 4 0 22.751 45.502 0.251 10.81 2 31.0 40.4 20 2 2 1 22.932 45.865 0.253 10.62 8 70.9 828.8 21 0 3 2 23.276 46.552 0.257 10.27 4 7.4 4.4 22 0 4 1 24.164 48.327 0.266 9.43 4 70.7 366.1 23 2 0 2 24.232 48.463 0.266 9.37 4 55.2 222.0 24 0 1 3 24.457 48.913 0.269 9.18 4 5.3 2.0 25 2 1 2 24.94 49.879 0.274 8.78 8 13.1 23.4 26 1 3 2 25.123 50.246 0.276 8.63 8 51.1 349.7 27 1 4 1 25.964 51.927 0.284 8.01 8 18.0 40.2 28 1 1 3 26.242 52.484 0.287 7.82 8 55.3 371.5 29 2 3 1 26.462 52.923 0.289 7.67 8 27.1 87.8 30 0 2 3 26.525 53.05 0.29 7.63 4 53.3 168.2 31 2 2 2 26.981 53.962 0.295 7.34 8 15.5 27.5 32 0 4 2 28.081 56.162 0.306 6.7 4 25.2 33.0 33 1 2 3 28.217 56.434 0.307 6.63 8 10.3 10.9 34 3 1 0 28.406 56.812 0.309 6.53 4 20.9 22.1 35 3 1 1 29.622 59.245 0.321 5.94 8 28.6 75.4 36 1 4 2 29.714 59.428 0.322 5.9 8 1.2 0.1 37 2 4 0 29.734 59.467 0.322 5.89 4 16.6 12.6 38 0 3 3 29.746 59.493 0.322 5.88 4 2.8 0.3 39 0 5 1 30.112 60.223 0.326 5.73 4 25.6 29.3 40 2 3 2 30.17 60.34 0.326 5.7 8 7.4 4.9 41 1 5 0 30.513 61.025 0.33 5.56 4 5.5 1.3 42 2 4 1 30.917 61.835 0.334 5.4 8 30.2 76.6 43 2 1 3 31.166 62.332 0.336 5.3 8 3.0 0.8 44 1 3 3 31.325 62.65 0.337 5.25 8 2.8 0.7 45 3 2 1 31.458 62.917 0.339 5.2 8 22.7 41.7 46 1 5 1 31.679 63.358 0.341 5.12 8 33.0 86.7 47 0 0 4 32.462 64.924 0.348 4.85 2 11.0 2.3 48 3 0 2 32.519 65.037 0.349 4.83 4 14.1 7.5 49 2 2 3 32.952 65.904 0.353 4.7 8 4.8 1.7 50 0 1 4 33.051 66.101 0.354 4.67 4 37.6 51.2 51 3 1 2 33.107 66.213 0.355 4.65 8 23.0 38.2 52 3 3 0 33.279 66.558 0.356 4.6 4 34.5 42.6 53 0 5 2 33.567 67.133 0.359 4.52 4 1.1 0.0 54 0 4 3 33.933 67.866 0.362 4.42 4 0.8 0.0 55 1 0 4 33.969 67.939 0.363 4.41 4 9.8 3.3 56 2 4 2 34.327 68.655 0.366 4.31 8 26.6 47.5 57 3 3 1 34.394 68.788 0.367 4.3 8 5.4 2.0 58 1 1 4 34.545 69.09 0.368 4.26 8 32.5 70.0 59 0 2 4 34.786 69.572 0.37 4.2 4 28.8 27.1 60 3 2 2 34.84 69.681 0.371 4.18 8 9.4 5.8 61 1 5 2 35.05 70.1 0.373 4.13 8 24.7 39.3 62 1 4 3 35.409 70.818 0.376 4.05 8 9.3 5.5 63 0 6 0 35.457 70.914 0.377 4.04 2 39.4 24.4 64 2 3 3 35.826 71.652 0.38 3.96 8 1.3 0.1 65 2 5 1 36.158 72.316 0.383 3.89 8 13.7 11.3 66 1 2 4 36.247 72.493 0.384 3.87 8 8.9 4.7 67 0 6 1 36.542 73.083 0.386 3.81 4 5.8 1.0 68 0 3 4 37.597 75.193 0.396 3.61 4 6.1 1.0 69 3 3 2 37.649 75.299 0.396 3.6 8 42.3 100.1 70 1 6 1 37.975 75.95 0.399 3.55 8 3.2 0.6 71 2 0 4 38.323 76.646 0.403 3.49 4 39.1 41.5 72 3 4 1 38.323 76.647 0.403 3.49 8 0.5 0.0 73 4 0 0 38.393 76.787 0.403 3.48 2 79.0 84.4 74 3 1 3 38.549 77.098 0.405 3.46 8 49.6 132.4 75 2 1 4 38.872 77.745 0.407 3.41 8 1.6 0.1 76 0 5 3 38.982 77.964 0.408 3.39 4 2.8 0.2 77 1 3 4 39.016 78.033 0.409 3.39 8 42.6 95.5 78 2 5 2 39.356 78.712 0.412 3.34 8 22.6 26.5 79 2 4 3 39.701 79.401 0.415 3.29 8 46.2 109.1 80 0 6 2 39.729 79.458 0.415 3.29 4 40.7 42.3 81 4 1 1 39.993 79.987 0.417 3.26 8 0.4 0.0 82 3 2 3 40.188 80.375 0.419 3.23 8 9.0 4.0 83 1 5 3 40.387 80.775 0.421 3.21 8 43.0 92.1 84 2 2 4 40.507 81.015 0.422 3.19 8 9.3 4.3 85 4 2 0 40.576 81.153 0.422 3.19 4 6.0 0.9 86 1 6 2 41.128 82.257 0.427 3.12 8 18.0 15.7 87 2 6 0 41.146 82.291 0.427 3.12 4 74.8 135.8 88 0 4 4 41.418 82.837 0.429 3.09 4 18.4 8.1 89 3 4 2 41.47 82.94 0.43 3.09 8 1.5 0.1 90 4 2 1 41.618 83.235 0.431 3.07 8 32.2 49.6 91 3 5 0 42.168 84.335 0.436 3.02 4 2.7 0.2 92 2 6 1 42.184 84.369 0.436 3.02 8 6.3 1.8 93 4 0 2 42.575 85.151 0.439 2.99 4 22.1 11.3 94 0 1 5 42.677 85.353 0.44 2.98 4 11.1 2.9 95 1 4 4 42.807 85.613 0.441 2.97 8 7.4 2.5 96 3 3 3 42.886 85.772 0.442 2.96 8 11.7 6.3 97 4 1 2 43.113 86.225 0.444 2.95 8 22.7 23.7 98 2 3 4 43.202 86.405 0.444 2.94 8 14.5 9.6 99 3 5 1 43.203 86.405 0.444 2.94 8 34.4 54.1 100 0 7 1 43.626 87.251 0.448 2.91 4 8.2 1.5 101 1 7 0 43.976 87.951 0.451 2.89 4 15.1 5.1 102 1 1 5 44.06 88.12 0.451 2.88 8 29.6 39.1 103 0 2 5 44.286 88.571 0.453 2.87 4 26.3 15.5 104 4 3 1 44.303 88.607 0.453 2.87 8 13.3 7.9 105 2 5 3 44.551 89.102 0.455 2.85 8 5.3 1.2 106 4 2 2 44.721 89.441 0.457 2.84 8 23.8 25.0 107 0 6 3 44.917 89.834 0.458 2.83 4 3.2 0.2 X-ray diffraction powder data (I)...X-Ray wave length = 1.54056 (angs.): No H K L Theta 2*Theta d I int I int.n. I p.h.n. H(Si) ( degree ) (angstrem) *100 *100 1 1 1 0 10.539 21.078 4.21137 16.9 1.6 1.6 5.6 2 1 1 1 13.112 26.223 3.39558 1072.4 100.0 100.0 5.6 3 0 2 1 13.613 27.226 3.27275 616.1 57.4 57.4 5.6 4 0 0 2 15.567 31.135 2.8702 49.0 4.6 4.5 5.6 5 1 2 1 16.377 32.755 2.73187 92.5 8.6 8.6 5.6 6 0 1 2 16.574 33.148 2.70032 574.4 53.6 53.3 5.6 7 1 0 2 18.062 36.124 2.48438 313.3 29.2 29.0 5.7 8 2 0 0 18.091 36.182 2.48055 194.4 18.1 18.0 5.7 9 0 3 1 18.638 37.275 2.41029 168.5 15.7 15.6 5.7 10 1 1 2 18.952 37.904 2.37175 453.7 42.3 41.9 5.7 11 1 3 0 19.207 38.415 2.34137 315.6 29.4 29.1 5.7 12 0 2 2 19.316 38.632 2.32871 215.7 20.1 19.9 5.7 13 2 1 1 20.599 41.198 2.18939 156.4 14.6 14.4 5.7 14 2 2 0 21.457 42.915 2.10568 240.2 22.4 22.1 5.7 15 0 4 0 22.751 45.502 1.9918 40.4 3.8 3.7 5.7 16 2 2 1 22.932 45.865 1.97688 828.8 77.3 75.9 5.7 17 0 4 1 24.164 48.327 1.88174 366.1 34.1 33.4 5.7 18 2 0 2 24.232 48.463 1.87677 222.0 20.7 20.3 5.7 19 2 1 2 24.94 49.879 1.82677 23.4 2.2 2.1 5.7 20 1 3 2 25.123 50.246 1.81428 349.7 32.6 31.9 5.8 21 1 4 1 25.964 51.927 1.75943 40.2 3.7 3.7 5.8 22 1 1 3 26.242 52.484 1.74208 371.5 34.6 33.7 5.8 23 2 3 1 26.462 52.923 1.72864 87.8 8.2 8.0 5.8 24 0 2 3 26.525 53.05 1.72481 168.2 15.7 15.3 5.8 25 2 2 2 26.981 53.962 1.69779 27.5 2.6 2.5 5.8 26 0 4 2 28.081 56.162 1.63638 33.0 3.1 3.0 5.8 27 1 2 3 28.217 56.434 1.62916 10.9 1.0 1.0 5.8 28 3 1 0 28.406 56.812 1.61919 22.1 2.1 2.0 5.8 29 3 1 1 29.622 59.245 1.55838 75.4 7.0 6.8 5.8 30 2 4 0 29.734 59.467 1.55308 12.9 1.2 1.2 5.8 31 0 5 1 30.112 60.223 1.53538 29.3 2.7 2.6 5.8 32 2 4 1 30.917 61.835 1.49918 76.6 7.1 6.9 5.8 33 3 2 1 31.458 62.917 1.47598 41.7 3.9 3.7 5.9 34 1 5 1 31.679 63.358 1.46675 86.7 8.1 7.8 5.9 35 0 1 4 33.051 66.101 1.41237 51.2 4.8 4.6 5.9 36 3 1 2 33.107 66.213 1.41026 38.2 3.6 3.4 5.9 37 3 3 0 33.279 66.558 1.40379 42.6 4.0 3.8 5.9 38 2 4 2 34.327 68.655 1.36593 47.5 4.4 4.2 5.9 39 1 1 4 34.545 69.09 1.3584 70.0 6.5 6.2 5.9 40 0 2 4 34.786 69.572 1.35016 27.1 2.5 2.4 5.9 41 1 5 2 35.05 70.1 1.34127 39.3 3.7 3.5 5.9 42 0 6 0 35.457 70.914 1.32787 24.4 2.3 2.2 5.9 43 2 5 1 36.158 72.316 1.30553 11.3 1.1 1.0 5.9 44 3 3 2 37.649 75.299 1.26104 100.1 9.3 8.8 6.0 45 2 0 4 38.323 76.646 1.24219 41.5 3.9 3.6 6.0 46 4 0 0 38.393 76.787 1.24028 84.4 7.9 7.4 6.0 47 3 1 3 38.549 77.098 1.23603 132.4 12.3 11.5 6.0 48 1 3 4 39.016 78.033 1.22355 95.5 8.9 8.3 6.0 49 2 5 2 39.356 78.712 1.21469 26.5 2.5 2.3 6.0 50 2 4 3 39.701 79.401 1.20587 151.4 14.1 13.1 6.0 51 1 5 3 40.387 80.775 1.18879 92.1 8.6 8.0 6.1 52 2 6 0 41.146 82.291 1.17068 151.5 14.1 13.1 6.1 53 4 2 1 41.618 83.235 1.15979 49.6 4.6 4.3 6.1 54 4 0 2 42.575 85.151 1.13852 11.3 1.1 1.0 6.1 55 4 1 2 43.113 86.225 1.12707 23.7 2.2 2.0 6.1 56 3 5 1 43.203 86.405 1.12519 63.7 5.9 5.4 6.1 57 1 1 5 44.06 88.12 1.10766 39.1 3.6 3.3 6.2 58 0 2 5 44.286 88.571 1.10318 23.4 2.2 2.0 6.2 59 4 2 2 44.721 89.441 1.09469 25.0 2.3 2.1 6.2 Reference: Chichagov A.V. et al. Information-Calculating System on Crystal Structure Data of Minerals (MINCRYST) - Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian) |