tuerdi1982
During hkl fit even I define lattice parameters of my structure as orthorhombic but used a cubic space group TOPAS did not complain. Why is that?
Here is the hkl_Is which I tested.
hkl_Is
phase_name "TiH"
TCHZ_Peak_Type(!pku,-0.62891_0.00904, !pkv,-0.00334_0.00106, !pkw, 0.00027_0.00003, !pkz, 0. , !pky, 0.34204_0.00509, !pkx, 0.)
Simple_Axial_Model(!axial, 0.87426_0.00734)
volume delta_v 111.532652`_0.525342631
r_bragg 0.954422564
a !lp_a 5
b !lp_b 4
c !lp_c 3
al 90.
be 90.
ga 90.
space_group "Fm-3m"