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 4.2579 4.2579 5.2149 90 90 120 P31m atom x y z occ Uiso Ti1 0 0 0 .876 .02385 Ni2 0 0 .4714 .00941 Ti3 0 .3233 .6970 .876 .00709 Ni4 0 .32134 .1825 .00374 Ti5 1/3 2/3 .0579 .876 .00420 Ni6 1/3 2/3 .5810 .00737 Ti7 0 .6621 .3788 .876 .00764 Ni8 0 .64515 .8852 .00494