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: room temperature ; _database_code_amcsd 0019718 _chemical_compound_source 'Wagholi quarry, Poona district, India' _chemical_formula_sum 'V Ca Si4 O15 H8' _cell_length_a 9.6329 _cell_length_b 13.6606 _cell_length_c 9.7949 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1288.923 _exptl_crystal_density_diffrn 2.326 _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_U_iso_or_equiv V 0.02594 0.25000 0.09618 0.01042 Ca -0.38231 0.75000 -0.08263 0.01275 Si1 -0.18305 0.53318 -0.09496 0.00808 Si2 -0.10728 0.45691 0.18382 0.00766 O1 -0.17796 0.65027 -0.08597 0.01280 O2 -0.08731 0.34231 0.20600 0.01370 O3 -0.20339 0.47968 0.05164 0.01440 O4 -0.04191 0.48914 -0.16578 0.01220 O5 -0.31477 0.49541 -0.18514 0.01120 O6 -0.04300 0.25000 -0.05191 0.02370 O7 -0.46993 0.88139 0.05339 0.04420 H7A -0.42100 0.86900 0.13600 0.08000 H7B -0.56150 0.89100 0.08100 0.08000 O8 -0.63830 0.75000 -0.12580 0.03740 H8 -0.68500 0.69440 -0.09300 0.08000 O9 -0.28320 0.75000 0.18980 0.07750 H9A -0.33000 0.75000 0.27600 0.08000 H9B -0.19200 0.75000 0.23000 0.08000 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 0.00849 0.00946 0.01330 0.00000 0.00076 0.00000 Ca 0.01036 0.01118 0.01670 0.00000 0.00069 0.00000 Si1 0.00635 0.00920 0.00869 0.00008 -0.00063 0.00054 Si2 0.00691 0.00834 0.00772 0.00042 0.00091 0.00053 O1 0.00930 0.00980 0.01930 -0.00070 0.00020 -0.00070 O2 0.01540 0.00910 0.01680 0.00210 0.00520 0.00150 O3 0.01220 0.02120 0.00990 -0.00030 -0.00140 0.00390 O4 0.00820 0.01130 0.01720 -0.00010 0.00260 -0.00150 O5 0.01030 0.01220 0.01110 -0.00130 -0.00390 0.00190 O6 0.02310 0.02870 0.01920 0.00000 -0.00520 0.00000 O7 0.03400 0.04890 0.04980 0.00480 0.00890 -0.02730 O8 0.01460 0.03190 0.06580 0.00000 -0.00480 0.00000 O9 0.06600 0.10900 0.05800 0.00000 0.00910 0.00000