Ti50.75Ni47.75Fe1.50
      Sitepu H, Wright J P, Hansen T, Chateigner D, Brokmeier H G, Ritter C, Ohba T
      Materials Science Forum 495 (2005) 255-260
      Combined synchrotron and neutron structural refinement of R-phase in
      Ti50.75Ni47.75Fe1.50 shape memory alloy
      _database_code_amcsd 0014392

      CELL PARAMETERS:    4.2579   4.2579   5.2149   90.000   90.000  120.000
      SPACE GROUP: P31m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     81.878
      Density (g/cm3):     18.364
      MAX. ABS. INTENSITY / VOLUME**2:      363.5877378    
      RIR:      6.447
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.00          1.62        5.2149    0   0   1         1
                29.67          3.05        3.0108    1   0   1         6
                42.46          4.11        2.1290    1   0   2         6
                46.05         10.47        1.9710    1   1   1         3
                55.74         97.37        1.6491    2  -1   2         3
                55.74          2.63        1.6491    1   1   2         3
                58.72          1.30        1.5723    1   0   3         6
                61.61          4.89        1.5054    2   0   2         6
                69.86          1.33        1.3465    2  -1   3         3
                72.50          2.08        1.3037    0   0   4         1
                77.69          2.87        1.2292    1   0   4         6
                77.69          1.61        1.2292    2   1   2         6
                77.69         33.95        1.2291    3   0   0         6
                87.80         14.76        1.1118    1   1   4         3
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.