Corrected TbMn6Sn6 kagome magnet (P6/mmm #191, a=5.524, c=9.015 Å). HfFe6Ge6-type structure, 13 atoms. Mn at 6i (x=0.5, z=0.2503). The original CIF had z=0.5 for Mn which collapsed to 3g, giving only 3 Mn and triggering spglib's 'too close distance between atoms' error.