AB2_tP6_137_a_d & a,c/a,z2 --params=4.3675,2.8551803091,0.389 & P4_{2}/nmc D_{4h}^{15} #137 (ad) & tP6 & $C13$ & HgI2 & & D. Schwarzenbach et al., Acta Crystallogr. Sect. B Struct. Sci. 63, 826-835 (2007) 1.00000000000000 4.36750000000000 0.00000000000000 0.00000000000000 0.00000000000000 4.36750000000000 0.00000000000000 0.00000000000000 0.00000000000000 12.47000000000000 Hg I 2 4 Direct 0.75000000000000 0.25000000000000 0.75000000000000 Hg (2a) 0.25000000000000 0.75000000000000 0.25000000000000 Hg (2a) 0.25000000000000 0.25000000000000 0.38900000000000 I (4d) 0.25000000000000 0.25000000000000 0.88900000000000 I (4d) 0.75000000000000 0.75000000000000 -0.38900000000000 I (4d) 0.75000000000000 0.75000000000000 0.11100000000000 I (4d)