data_global _chemical_name_mineral 'Clinochlore' loop_ _publ_author_name 'Zanazzi P F' 'Comodi P' 'Nazzareni S' 'Andreozzi G B' _journal_name_full 'European Journal of Mineralogy' _journal_volume 21 _journal_year 2009 _journal_page_first 581 _journal_page_last 589 _publ_section_title ; Thermal behaviour of chlorite: an in situ single-crystal and powder diffraction study Note: T = 502 C ; _database_code_amcsd 0007301 _chemical_compound_source 'Val Malenco, Italy' _chemical_formula_sum '(Mg2.782 Fe.219) (Si1.279 Al.721) O9 H4' _cell_length_a 5.3533 _cell_length_b 9.2778 _cell_length_c 14.464 _cell_angle_alpha 90.30 _cell_angle_beta 97.27 _cell_angle_gamma 90.00 _cell_volume 712.596 _exptl_crystal_density_diffrn 2.640 _symmetry_space_group_name_H-M 'C -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' '-x,-y,-z' '1/2-x,1/2-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 MgM1 0.00000 0.00000 0.00000 0.91300 0.02100 FeM1 0.00000 0.00000 0.00000 0.08700 0.02100 MgM2 0.00090 0.33350 -0.00020 0.91200 0.02200 FeM2 0.00090 0.33350 -0.00020 0.08800 0.02200 MgM3 -0.00130 0.16670 0.50010 0.94000 0.03500 FeM3 -0.00130 0.16670 0.50010 0.06000 0.03500 MgM4 0.00000 0.50000 0.50000 0.94600 0.03100 FeM4 0.00000 0.50000 0.50000 0.05400 0.03100 SiT1 0.23180 0.16810 0.19150 0.64000 0.02400 AlT1 0.23180 0.16810 0.19150 0.36000 0.02400 SiT2 0.73250 0.00240 0.19160 0.63900 0.02300 AlT2 0.73250 0.00240 0.19160 0.36100 0.02300 O1 0.19280 0.16730 0.07670 1.00000 0.01900 O2 0.69270 0.00180 0.07700 1.00000 0.02200 O3 0.22980 0.33600 0.23260 1.00000 0.04100 O4 0.50580 0.09380 0.23210 1.00000 0.03300 O5 0.00660 0.07780 0.23240 1.00000 0.03400 O-H1 0.69120 0.33430 0.07410 1.00000 0.02300 O-H2 0.15010 -0.00120 0.42920 1.00000 0.03400 O-H3 0.13630 0.33700 0.42940 1.00000 0.03700 O-H4 0.63600 0.16200 0.42950 1.00000 0.03300