AB3_tP4_123_a_ce & a,c/a --params=4.158,0.864357864358 & P4/mmm D_{4h}^1 #123 (ace) & tP4 & L6_0 & CuTi3 & & N. Karlsson, Journal of the J. Inst. Met. 79, 391-405 (1951) 1.0000000000000000 4.15800000000000 0.00000000000000 0.00000000000000 0.00000000000000 4.15800000000000 0.00000000000000 0.00000000000000 0.00000000000000 3.59400000000000 Cu Ti 1 3 Direct 0.00000000000000 0.00000000000000 0.00000000000000 Cu (1a) 0.50000000000000 0.50000000000000 0.00000000000000 Ti (1c) 0.00000000000000 0.50000000000000 0.50000000000000 Ti (2e) 0.50000000000000 0.00000000000000 0.50000000000000 Ti (2e)