data_global _chemical_name_mineral 'Cavansite' loop_ _publ_author_name 'Ishida N' 'Kimata M' 'Nishida N' 'Hatta T' 'Shimizu M' 'Akasaka T' _journal_name_full 'Journal of Mineralogical and Petrological Sciences' _journal_volume 104 _journal_year 2009 _journal_page_first 241 _journal_page_last 252 _publ_section_title ; Polymorphic relation between cavanite and pentagonite: genetic implications of oxonium ion in cavansite ; _database_code_amcsd 0019264 _chemical_compound_source 'Deccan basalts, Wagholi, India' _chemical_formula_sum 'Ca V Si4 O15 H7' _cell_length_a 9.794 _cell_length_b 13.670 _cell_length_c 9.643 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1291.043 _exptl_crystal_density_diffrn 2.317 _symmetry_space_group_name_H-M 'P c m n' 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 Ca 0.08210 0.25000 0.38210 0.01210 V 0.40350 0.25000 0.52590 0.01000 Sil 0.09520 0.03320 0.18280 0.00810 Si2 0.31620 0.04310 0.39260 0.00760 O1 0.08630 0.15030 0.17740 0.01270 O2 0.29370 0.15770 0.41230 0.01270 O3 0.44860 0.02010 0.29680 0.01390 O4 0.16610 -0.01090 0.04210 0.01180 O5 0.18550 -0.00450 0.31410 0.01110 O6 0.55220 0.25000 0.45730 0.02210 O-H7 0.94600 0.11830 0.47080 0.04180 Wat8 0.37430 0.25000 0.13870 0.03440 O9 0.81000 0.25000 0.28360 0.07230 H91 0.81000 0.25000 0.28360 0.07230 H92 0.81000 0.25000 0.28360 0.07230 H93 0.81000 0.25000 0.28360 0.07230 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 Ca 0.01480 0.01120 0.01030 0.00000 0.00070 0.00000 V 0.01200 0.00940 0.00850 0.00000 -0.00090 0.00000 Sil 0.00780 0.00960 0.00690 -0.00040 -0.00050 -0.00020 Si2 0.00670 0.00830 0.00770 0.00030 -0.00100 -0.00030 O1 0.01930 0.00960 0.00930 0.00080 0.00030 0.00030 O2 0.01570 0.00740 0.01500 0.00120 -0.00520 -0.00110 O3 0.00860 0.02110 0.01180 0.00390 0.00240 0.00040 O4 0.01640 0.01030 0.00880 0.00110 0.00290 0.00030 O5 0.01180 0.01130 0.01030 -0.00210 -0.00300 0.00190 O6 0.01800 0.02500 0.02300 0.00000 0.00500 0.00000 O-H7 0.04800 0.04400 0.03300 -0.02600 0.00800 0.00400 Wat8 0.05800 0.03100 0.01400 0.00000 0.00400 0.00000 O9 0.05700 0.09900 0.06100 0.00000 0.00900 0.00000 H91 0.05700 0.09900 0.06100 0.00000 0.00900 0.00000 H92 0.05700 0.09900 0.06100 0.00000 0.00900 0.00000 H93 0.05700 0.09900 0.06100 0.00000 0.00900 0.00000