A2B_oP12_62_2c_c & a,b/a,c/a,x1,z1,x2,z2,x3,z3 --params=12.735,0.468237141735,0.339615233608,0.733,0.125,0.508,0.722,0.874,0.447 & Pnma D_{2h}^{16} #62 (c^3) & oP12 & C25 & HgCl2 & & H. Brakken and W. Scholten, Zeitschrift f\"{u}r Kristallographie - Crystalline Materials 89, 448-455 (1934) rotated to Pnma setting 1.0000000000000000 12.73500000000000 0.00000000000000 0.00000000000000 0.00000000000000 5.96300000000000 0.00000000000000 0.00000000000000 0.00000000000000 4.32500000000000 Cl Hg 8 4 Direct 0.23300000000000 0.25000000000000 0.37500000000000 Cl (4c) 0.26700000000000 0.75000000000000 -0.12500000000000 Cl (4c) 0.73300000000000 0.25000000000000 0.12500000000000 Cl (4c) 0.76700000000000 0.75000000000000 0.62500000000000 Cl (4c) 0.00800000000000 0.25000000000000 0.77800000000000 Cl (4c) 0.49200000000000 0.75000000000000 0.27800000000000 Cl (4c) 0.50800000000000 0.25000000000000 0.72200000000000 Cl (4c) 0.99200000000000 0.75000000000000 0.22200000000000 Cl (4c) 0.12600000000000 0.75000000000000 0.55300000000000 Hg (4c) 0.37400000000000 0.25000000000000 0.05300000000000 Hg (4c) 0.62600000000000 0.75000000000000 0.94700000000000 Hg (4c) 0.87400000000000 0.25000000000000 0.44700000000000 Hg (4c)