data_global _chemical_name_mineral 'Cavansite' loop_ _publ_author_name 'Danisi R M' 'Armbruster T' 'Lazic B' _journal_name_full 'American Mineralogist' _journal_volume 97 _journal_year 2012 _journal_page_first 1874 _journal_page_last 1880 _publ_section_title ; In situ dehydration behavior of zeolite-like cavansite: A single-crystal X-ray study Note: T = 75 C ; _database_code_amcsd 0019719 _chemical_compound_source 'Wagholi quarry, Poona district, India' _chemical_formula_sum 'V Ca Si4 O14.249' _cell_length_a 9.60900 _cell_length_b 13.6833 _cell_length_c 9.7559 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1282.733 _exptl_crystal_density_diffrn 2.234 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-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_occupancy _atom_site_U_iso_or_equiv V 0.02600 0.25000 0.09027 1.00000 0.01219 Ca -0.38248 0.75000 -0.08753 1.00000 0.01422 Si1 -0.18529 0.53429 -0.09246 1.00000 0.00969 Si2 -0.10434 0.45653 0.18578 1.00000 0.00934 O1 -0.17964 0.65118 -0.08307 1.00000 0.01500 O2 -0.08347 0.34199 0.20472 1.00000 0.01690 O3 -0.20289 0.48168 0.05573 1.00000 0.01740 O4 -0.04573 0.49007 -0.16576 1.00000 0.01460 O5 -0.31993 0.49792 -0.17994 1.00000 0.01380 O6 -0.04550 0.25000 -0.05660 1.00000 0.02940 O7 -0.44710 0.85170 0.10350 0.27000 0.04480 O7A -0.39930 0.81840 0.14640 0.24500 0.04480 O7B -0.46430 0.88060 0.05700 0.55700 0.04480 O8 -0.63960 0.75000 -0.09870 1.00000 0.07560 O9 -0.29500 0.75000 0.18800 0.10500 0.04480 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 V 0.00980 0.01180 0.01500 0.00000 0.00105 0.00000 Ca 0.01190 0.01350 0.01730 0.00000 0.00026 0.00000 Si1 0.00710 0.01160 0.01040 -0.00016 -0.00049 0.00078 Si2 0.00820 0.01010 0.00970 0.00053 0.00136 0.00080 O1 0.01070 0.01220 0.02200 -0.00020 0.00140 -0.00100 O2 0.01890 0.01100 0.02070 0.00290 0.00790 0.00160 O3 0.01320 0.02620 0.01270 -0.00080 -0.00200 0.00490 O4 0.00980 0.01420 0.01990 -0.00050 0.00390 -0.00180 O5 0.01210 0.01540 0.01380 -0.00210 -0.00490 0.00300 O6 0.02890 0.03700 0.02220 0.00000 -0.00800 0.00000 O8 0.02150 0.09900 0.10600 0.00000 -0.00070 0.00000