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 0014390 4.2579 4.2579 5.2149 90 90 120 P-3 atom x y z occ Uiso Ti1 0 0 0 .880 .00768 Ni2 0 0 .5 .00519 Ti3 -.00805 .3259 .65701 .880 .00768 Ni4 -.01929 .3245 .14673 .00519 Ti5 1/3 2/3 .03045 .880 .00768 Ni6 1/3 2/3 .56383 .00519