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*data for ICSD #23277 Coll Code 23277 Rec Date 1980/12/31 Mod Date 2005/10/01 Chem Name Mercury Chloride Structured Hg Cl2 Sum Cl2 Hg1 ANX AX2 D(calc) 5.44 Title Mercuric chloride, a redetermination Author(s) Subramanian, V.;Seff, K. Reference Acta Crystallographica B (24,1968-38,1982) (1980), 36, 2132-2135 Golden Book of Phase Transitions, Wroclaw (2002), 1, 1-123 Unit Cell 12.776(4) 5.986(3) 4.333(2) 90. 90. 90. Vol 331.38 Z 4 Space Group P n m a SG Number 62 Cryst Sys orthorhombic Pearson oP12 Wyckoff c3 R Value 0.064 Red Cell P 4.333 5.986 12.776 90 89.999 89.999 331.375 Trans Red 0.000 0.000 -1.000 / 0.000 1.000 0.000 / 1.000 0.000 0.000 Comments Stable up to 428 K (2nd ref., Tomaszewski) The structure has been assigned a PDF number: 26-315 Temperature in Kelvin: 303 Atom # OX SITE x y z SOF H Hg 1 +2 4 c 0.1263(2) 0.25 0.0468(5) 1. 0 Cl 1 -1 4 c 0.2683(8) 0.25 0.3698(23) 1. 0 Cl 2 -1 4 c -.0119(8) 0.25 -.2837(20) 1. 0 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 Hg1 Hg2+ 0.0038(1) 0.0201(5) 0.0503(9) 0 -.0057(6) 0 Cl1 Cl1- 0.0051(7) 0.0190(33) 0.0642(62) 0 -.0073(35) 0 Cl2 Cl1- 0.0040(6) 0.0295(40) 0.0431(52) 0 -.0031(29) 0 *end for ICSD #23277 |
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