data_global _chemical_name_mineral 'Wulfingite' loop_ _publ_author_name 'Jacobs H' 'Niemann A' 'Kockelmann W' _journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie' _journal_volume 631 _journal_year 2005 _journal_page_first 1247 _journal_page_last 1254 _publ_section_title ; Low temperature investigations of hydrogen bridge bonds in the hydroxides beta-Be(OH)2 and epsilon-Zn(OH)2 by Raman-spectroscopy as well as X-ray and neutron diffraction Sample: T = 298 K ; _database_code_amcsd 0015824 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Zn O2 D2' _cell_length_a 4.90855 _cell_length_b 5.14641 _cell_length_c 8.4880 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 214.419 _exptl_crystal_density_diffrn 3.142 _symmetry_space_group_name_H-M 'P 21 21 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Zn 0.07100 0.65000 0.62390 0.01191 O1 0.11660 0.12780 0.07920 0.01532 O2 0.16600 0.31780 0.71970 0.01608 D1 0.47340 0.35930 0.84200 0.03027 D2 0.25870 0.81620 0.15060 0.03040 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Zn 0.00650 0.01160 0.01020 -0.00620 0.00020 0.00350 O1 0.00720 0.01700 0.01200 -0.00260 -0.00470 0.00390 O2 0.01600 0.00770 0.01440 0.00230 0.00240 0.00380 D1 0.02060 0.03030 0.02100 0.00390 -0.00060 0.00100 D2 0.02800 0.02100 0.02360 0.00320 -0.00180 0.00180