Tapiolite-(Fe)
      von Heidenstam O
      Arkiv for Kemi 28 (1968) 375-387
      Neutron and X-ray diffraction studies on tapiolite and
      some synthetic substances of trirutile structure
      Note: Crystal A
      Note: Curran spectrometer
      _database_code_amcsd 0017873

      CELL PARAMETERS:    4.7515   4.7515   9.2540   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    208.925
      Density (g/cm3):      7.885
      MAX. ABS. INTENSITY / VOLUME**2:      275.4324360    
      RIR:     11.373
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.18          7.87        4.6270    0   0   2         2
                21.02         25.99        4.2269    1   0   1         8
                26.53        100.00        3.3598    1   1   0         4
                32.95          7.98        2.7187    1   1   2         8
                34.67         79.09        2.5873    1   0   3         8
                37.87         23.17        2.3758    2   0   0         4
                38.93          1.30        2.3135    0   0   4         2
                39.67          2.96        2.2722    1   1   3         8
                42.79          3.74        2.1134    2   0   2         8
                43.71          7.75        2.0710    2   1   1        16
                47.73          3.20        1.9055    1   1   4         8
                52.28         58.56        1.7499    2   1   3        16
                53.10          1.78        1.7246    1   0   5         8
                54.63         14.76        1.6799    2   2   0         4
                55.44          2.21        1.6575    2   0   4         8
                58.45          1.49        1.5791    2   2   2         8
                59.18          1.50        1.5611    3   0   1         8
                59.98          5.93        1.5423    0   0   6         2
                61.74         13.57        1.5026    3   1   0         8
                65.29          2.03        1.4291    3   1   2        16
                66.34         15.46        1.4090    3   0   3         8
                66.73         11.82        1.4017    1   1   6         8
                67.06          1.79        1.3956    2   1   5        16
                72.44          1.62        1.3047    3   2   1        16
                73.16          6.06        1.2936    2   0   6         8
                75.44          1.52        1.2601    3   1   4        16
                79.01         10.14        1.2119    3   2   3        16
                80.93          3.34        1.1879    4   0   0         4
                84.77          1.00        1.1436    4   1   1        16
                85.46          6.30        1.1361    2   2   6         8
                86.75          1.04        1.1225    2   1   7        16
                87.00          2.99        1.1199    3   3   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.