data_global _chemical_name_mineral 'Vesuvianite' loop_ _publ_author_name 'Groat L A' 'Hawthorne F C' 'Lager G A' 'Schultz A J' 'Ercit T S' _journal_name_full 'The Canadian Mineralogist' _journal_volume 34 _journal_year 1996 _journal_page_first 1059 _journal_page_last 1070 _publ_section_title ; X-ray and neutron crystal-structure refinements of a boron-bearing vesuvianite Sample: neutron data, 15 K ; _database_code_amcsd 0005516 _chemical_formula_sum 'Si18 Ca19 Fe2.68 Al11.04 B2.72 H8 O78.86' _cell_length_a 15.725 _cell_length_b 15.725 _cell_length_c 11.716 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2897.081 _exptl_crystal_density_diffrn 3.455 _symmetry_space_group_name_H-M 'P 4/n n c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,1/2+z' 'y,x,1/2-z' '1/2+y,-x,-z' '1/2-y,x,z' '1/2+x,-y,1/2+z' '1/2-x,y,1/2-z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2-z' '-y,1/2+x,-z' 'y,1/2-x,z' '-x,1/2+y,1/2+z' '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_occupancy _atom_site_U_iso_or_equiv SiZ1 0.75000 0.25000 0.00000 1.00000 0.00510 SiZ2 -0.17861 0.04330 0.87219 1.00000 0.00860 SiZ3 -0.08392 -0.15005 0.36464 1.00000 0.00490 CaX1 0.75000 0.25000 0.25000 1.00000 0.00850 CaX2 -0.19057 0.04537 0.38016 1.00000 0.00900 CaX3 -0.10175 -0.17934 0.89736 1.00000 0.02010 CaX4 0.75000 0.75000 0.14270 0.50000 0.01700 FeY1 0.75000 0.75000 0.05880 0.50000 0.01680 AlY2 0.00000 0.00000 0.00000 1.00000 0.00030 AlY3 -0.11174 0.12042 0.12844 0.79000 0.00350 FeY3 -0.11174 0.12042 0.12844 0.21000 0.00350 BT1 0.05207 0.05207 0.25000 0.43000 0.03300 AlT1 0.05207 0.05207 0.25000 0.18000 0.03300 BT2 0.25000 0.25000 0.25000 1.00000 0.01700 H1 0.46030 0.48730 0.30320 1.00000 0.06500 O1 -0.22023 0.17287 0.08453 1.00000 0.00870 O2 -0.12103 0.16090 0.28337 1.00000 0.01180 O3 -0.04198 0.22508 0.07781 1.00000 0.01150 O4 -0.06153 0.10423 0.47154 1.00000 0.00860 O5 -0.17154 0.01172 0.18009 1.00000 0.00910 O6 -0.12085 -0.27678 0.05290 1.00000 0.01130 O7a 0.05546 0.17608 0.31925 0.43000 0.00710 O7b 0.04553 0.14752 0.30690 0.57000 0.01320 O8 -0.06027 -0.09210 0.06682 1.00000 0.00770 O9 -0.14627 -0.14627 0.25000 1.00000 0.00870 O10 0.75000 0.75000 0.86801 0.55000 0.02200 O11 -0.00124 0.05765 0.14630 1.00000 0.02130 O12 0.17532 0.22656 0.29539 0.22000 0.05900