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 *** *********************** NITROBARITE 3, Sr-analogue Sr[NO(3)](2) Cubic P a3 Z = 4 Pa3 12 .10 .18 Ref.Str.: Nowotny H, Heger G. (1983) * Acta Cryst., C39, 952-956 R: N.A.D. Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 7.7813 alpha = 90.0 b = 7.7813 beta = 90.0 c = 7.7813 gamma = 90.0 Unit cell volume (cub. angs.) = 471.15 Molar volume ( cub.cm/mol.) = 70.95 Co-ordinates, thermal parameters, occupation for atomic positions: NoP x/a y/b z/c B(j) atom / occupation 1 0.0 0.0 0.0 0.0 Sr = 1.00 2 0.3451 0.3451 0.3451 0.0 N = 1.00 3 0.2738 0.285 0.4754 0.0 O = 1.00 Co-ordinates for all atomic positions : No NoP x/a y/b z/c 1 1 0.0 0.0 0.0 2 2 0.3451 0.3451 0.3451 3 3 0.2738 0.285 0.4754 4 2 0.6549 0.6549 0.6549 5 3 0.7262 0.715 0.5246 6 1 0.5 0.0 0.5 7 2 0.1549 0.6549 0.8451 8 3 0.2262 0.715 0.9754 9 2 0.8451 0.3451 0.1549 10 3 0.7738 0.285 0.0246 11 1 0.5 0.5 0.0 12 2 0.1549 0.8451 0.3451 13 3 0.2262 0.785 0.4754 14 2 0.8451 0.1549 0.6549 15 3 0.7738 0.215 0.5246 16 1 0.0 0.5 0.5 17 2 0.3451 0.1549 0.8451 18 3 0.2738 0.215 0.9754 19 2 0.6549 0.8451 0.1549 20 3 0.7262 0.785 0.0246 21 3 0.285 0.4754 0.2738 22 3 0.4754 0.2738 0.285 23 3 0.715 0.5246 0.7262 24 3 0.5246 0.7262 0.715 25 3 0.715 0.9754 0.2262 26 3 0.9754 0.2262 0.715 27 3 0.285 0.0246 0.7738 28 3 0.0246 0.7738 0.285 29 3 0.785 0.4754 0.2262 30 3 0.4754 0.2262 0.785 31 3 0.215 0.5246 0.7738 32 3 0.5246 0.7738 0.215 33 3 0.215 0.9754 0.2738 34 3 0.9754 0.2738 0.215 35 3 0.785 0.0246 0.7262 36 3 0.0246 0.7262 0.785 X-ray density (g/cm cub.) = 2.98 MU (1/cm) = 172.883 Mass attenuation coefficient (cm**2/g) = 57.965 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 Sr 3.072 12 2.8381 3 2.8381 3 2.7152 3 2.7152 3 2.8381 3 2.8381 3 2.8381 3 2.8381 3 2.7152 3 2.7152 3 2.7152 3 2.7152 3 2 N 1.992 3 1.2467 3 1.2467 3 1.2467 3 3 O 3.264 8 2.1594 3 2.1594 3 3.0126 3 3.0829 3 2.9114 3 3.0126 3 2.9114 3 3.0829 3 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 1 1 1 9.873 19.745 0.111 65.11 8 119.8 3367.1 2 2 0 0 11.419 22.838 0.129 48.13 6 63.8 530.3 3 2 1 0 12.788 25.577 0.144 37.96 12 68.6 967.0 4 1 1 2 14.033 28.066 0.157 31.18 24 42.4 606.2 5 2 2 0 16.26 32.519 0.182 22.74 12 83.2 851.1 6 2 2 1 17.276 34.552 0.193 19.93 24 13.5 39.2 7 1 1 3 19.167 38.333 0.213 15.86 24 133.6 3060.9 8 2 2 2 20.055 40.109 0.223 14.35 8 217.4 2443.8 9 2 3 0 20.911 41.822 0.232 13.07 12 6.3 2.8 10 1 2 3 21.74 43.479 0.24 11.98 24 15.1 29.4 11 3 2 1 21.74 43.479 0.24 11.98 24 11.8 18.1 12 4 0 0 23.326 46.652 0.257 10.22 6 173.2 829.0 13 2 2 3 24.089 48.177 0.265 9.5 24 8.0 6.5 14 4 1 0 24.089 48.177 0.265 9.5 12 20.0 20.5 15 1 1 4 24.834 49.667 0.273 8.86 24 33.9 110.3 16 3 3 1 25.562 51.125 0.28 8.3 24 86.6 673.3 17 2 4 0 26.276 52.553 0.287 7.79 12 91.8 354.9 18 4 2 0 26.276 52.553 0.287 7.79 12 79.3 264.9 19 1 2 4 26.977 53.954 0.294 7.34 24 25.8 52.8 20 4 2 1 26.977 53.954 0.294 7.34 24 1.3 0.1 21 3 3 2 27.666 55.331 0.301 6.93 24 15.7 18.5 22 2 2 4 29.01 58.019 0.315 6.23 24 78.6 415.4 23 4 3 0 29.667 59.334 0.321 5.92 12 16.8 9.0 24 1 3 4 30.315 60.631 0.328 5.64 24 15.1 13.9 25 4 3 1 30.315 60.631 0.328 5.64 24 13.4 11.0 26 1 1 5 30.956 61.911 0.334 5.38 24 86.7 438.1 27 3 3 3 30.956 61.911 0.334 5.38 8 97.3 183.7 28 2 3 4 32.214 64.428 0.346 4.93 24 9.3 4.6 29 2 5 0 32.214 64.428 0.346 4.93 12 1.9 0.1 30 4 3 2 32.214 64.428 0.346 4.93 24 36.4 70.6 31 1 2 5 32.833 65.667 0.352 4.74 24 17.9 16.4 32 5 2 1 32.833 65.667 0.352 4.74 24 0.9 0.0 33 4 4 0 34.054 68.109 0.363 4.38 12 151.0 540.6 34 2 2 5 34.657 69.314 0.369 4.23 24 2.5 0.3 35 4 4 1 34.657 69.314 0.369 4.23 24 3.9 0.7 36 3 3 4 35.255 70.509 0.375 4.08 24 28.7 36.3 37 1 3 5 35.848 71.696 0.38 3.95 24 100.6 432.3 38 5 3 1 35.848 71.696 0.38 3.95 24 101.8 442.7 39 4 4 2 36.438 72.875 0.386 3.83 24 70.7 207.1 40 6 0 0 36.438 72.875 0.386 3.83 6 101.3 106.3 41 6 1 0 37.023 74.047 0.391 3.72 12 35.7 25.6 42 1 1 6 37.606 75.211 0.396 3.61 24 23.0 20.7 43 2 3 5 37.606 75.211 0.396 3.61 24 19.9 15.5 44 5 3 2 37.606 75.211 0.396 3.61 24 7.3 2.1 45 2 6 0 38.761 77.522 0.406 3.42 12 59.6 65.8 46 6 2 0 38.761 77.522 0.406 3.42 12 75.4 105.3 47 1 2 6 39.335 78.67 0.411 3.34 24 0.7 0.0 48 4 4 3 39.335 78.67 0.411 3.34 24 4.0 0.6 49 4 5 0 39.335 78.67 0.411 3.34 12 4.0 0.3 50 6 2 1 39.335 78.67 0.411 3.34 24 14.5 7.6 51 1 4 5 39.906 79.813 0.416 3.27 24 7.2 1.8 52 5 4 1 39.906 79.813 0.416 3.27 24 7.1 1.8 53 3 3 5 40.476 80.952 0.421 3.2 24 95.4 314.5 54 2 2 6 41.044 82.087 0.426 3.13 24 116.8 462.2 55 2 4 5 41.61 83.219 0.431 3.08 24 7.0 1.6 56 5 4 2 41.61 83.219 0.431 3.08 24 23.3 18.1 57 6 3 0 41.61 83.219 0.431 3.08 12 22.1 8.1 58 1 3 6 42.174 84.349 0.436 3.02 24 20.5 13.8 59 6 3 1 42.174 84.349 0.436 3.02 24 16.1 8.4 60 4 4 4 43.301 86.602 0.445 2.93 8 104.4 115.3 61 2 3 6 43.863 87.726 0.45 2.89 24 0.9 0.0 62 6 3 2 43.863 87.726 0.45 2.89 24 6.9 1.5 63 3 4 5 44.425 88.85 0.454 2.86 24 1.2 0.0 64 5 4 3 44.425 88.85 0.454 2.86 24 19.4 11.6 65 1 1 7 44.986 89.973 0.459 2.83 24 84.0 215.6 66 5 5 1 44.986 89.973 0.459 2.83 24 64.9 129.0 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 1 9.873 19.745 4.49254 3367.1 100.0 100.0 5.6 2 2 0 0 11.419 22.838 3.89065 530.3 15.7 15.7 5.6 3 2 1 0 12.788 25.577 3.4799 967.0 28.7 28.6 5.6 4 1 1 2 14.033 28.066 3.1767 606.2 18.0 17.9 5.6 5 2 2 0 16.26 32.519 2.75111 851.1 25.3 25.0 5.6 6 2 2 1 17.276 34.552 2.59377 39.2 1.2 1.2 5.7 7 1 1 3 19.167 38.333 2.34615 3060.9 90.9 89.5 5.7 8 2 2 2 20.055 40.109 2.24627 2443.8 72.6 71.4 5.7 9 1 2 3 21.74 43.479 2.07964 47.5 1.4 1.4 5.7 10 4 0 0 23.326 46.652 1.94533 829.0 24.6 24.0 5.7 11 1 1 4 24.834 49.667 1.83407 110.3 3.3 3.2 5.7 12 3 3 1 25.562 51.125 1.78515 673.3 20.0 19.4 5.8 13 2 4 0 26.276 52.553 1.73995 619.8 18.4 17.8 5.8 14 1 2 4 26.977 53.954 1.69802 53.0 1.6 1.5 5.8 15 2 2 4 29.01 58.019 1.58835 415.4 12.3 11.9 5.8 16 1 1 5 30.956 61.911 1.49751 621.8 18.5 17.7 5.8 17 4 3 2 32.214 64.428 1.44495 75.3 2.2 2.1 5.9 18 4 4 0 34.054 68.109 1.37555 540.6 16.1 15.2 5.9 19 3 3 4 35.255 70.509 1.33448 36.3 1.1 1.0 5.9 20 5 3 1 35.848 71.696 1.31528 875.0 26.0 24.5 5.9 21 4 4 2 36.438 72.875 1.29688 313.4 9.3 8.7 6.0 22 1 1 6 37.606 75.211 1.26229 38.3 1.1 1.1 6.0 23 6 2 0 38.761 77.522 1.23033 171.0 5.1 4.7 6.0 24 3 3 5 40.476 80.952 1.18664 314.5 9.3 8.6 6.1 25 2 2 6 41.044 82.087 1.17308 462.2 13.7 12.6 6.1 26 4 4 4 43.301 86.602 1.12313 115.3 3.4 3.1 6.1 27 1 1 7 44.986 89.973 1.0896 344.6 10.2 9.2 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) |