data_global _chemical_name_mineral 'Alvanite' loop_ _publ_author_name 'Pertlik F' 'Dunn P J' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 1990 _journal_year 1990 _journal_page_first 385 _journal_page_last 392 _publ_section_title ; Crystal structure of alvanite, (Zn,Ni)Al4(VO3)2(OH)12*2H2O, the first example of an unbranched zweier-single chain vanadate in nature ; _database_code_amcsd 0014847 _chemical_formula_sum 'Zn Al4 V2 O20 H16' _cell_length_a 17.808 _cell_length_b 5.132 _cell_length_c 8.881 _cell_angle_alpha 90 _cell_angle_beta 92.11 _cell_angle_gamma 90 _cell_volume 811.090 _exptl_crystal_density_diffrn 2.503 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Zn 0.00000 0.50000 0.50000 ? All 0.99820 0.99860 0.32630 ? Al2 0.00190 0.50090 0.83980 ? V 0.24280 0.11590 0.13630 ? O1 0.29130 0.84060 0.22640 ? O2 0.17030 0.00810 0.03400 ? O3 0.29970 0.26340 0.02640 ? O-hl 0.05740 0.31780 0.68240 ? O-h2 0.44730 0.36020 0.99790 ? O-h3 0.94630 0.68260 0.67750 ? O-h4 0.05760 0.38920 0.00560 ? O-h5 0.05760 0.80460 0.81200 ? O-h6 0.94710 0.19830 0.80010 ? O-h7 0.20920 0.21990 0.69950 ? Hl 0.10500 0.31100 0.68900 0.02000 H2 0.40800 0.36200 0.99700 0.02000 H3 0.10100 0.31100 0.32800 0.02000 H4 0.08700 0.39100 0.00500 0.02000 H5 0.08800 0.87500 0.85300 0.02000 H6 0.08000 0.84100 0.16200 0.02000 Hwl 0.77200 0.81900 0.23100 0.02000 Hw2 0.78600 0.78600 0.36700 0.02000 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 0.03020 0.01070 0.01530 -0.00180 0.00130 -0.00130 All 0.01720 0.00630 0.01200 -0.00050 0.00100 -0.00210 Al2 0.01930 0.00650 0.01300 0.00370 0.00160 -0.00140 V 0.01830 0.01410 0.02420 -0.00060 0.00020 0.00090 O1 0.02240 0.01900 0.02660 -0.00060 -0.00150 0.00400 O2 0.01880 0.02190 0.02650 0.00320 -0.00060 -0.00410 O3 0.02450 0.03960 0.03440 0.00040 0.00560 0.00360 O-hl 0.01000 0.00670 0.01710 -0.00530 -0.00060 0.00120 O-h2 0.00920 0.00460 0.02140 0.00660 -0.00100 0.00100 O-h3 0.01560 0.00930 0.00880 0.00710 0.00560 0.00030 O-h4 0.01840 0.01760 0.01360 -0.00170 0.00160 0.00180 O-h5 0.02120 0.00410 0.01380 -0.00540 -0.00760 0.00470 O-h6 0.02600 0.01290 0.01370 -0.00120 0.01280 0.00180 O-h7 0.06060 0.06550 0.04430 0.00600 -0.00550 0.00680