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 = 25 C ; _database_code_amcsd 0007298 _chemical_compound_source 'Val Malenco, Italy' _chemical_formula_sum '(Mg2.782 Fe.219) (Si1.279 Al.721) O9 H4' _cell_length_a 5.327 _cell_length_b 9.233 _cell_length_c 14.381 _cell_angle_alpha 90.2 _cell_angle_beta 97.2 _cell_angle_gamma 89.97 _cell_volume 701.736 _exptl_crystal_density_diffrn 2.681 _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 0.00790 FeM1 0.00000 0.00000 0.00000 0.08700 0.00790 MgM2 0.00106 0.33371 -0.00003 0.91200 0.00890 FeM2 0.00106 0.33371 -0.00003 0.08800 0.00890 MgM3 -0.00033 0.16679 0.49998 0.94000 0.00850 FeM3 -0.00033 0.16679 0.49998 0.06000 0.00850 MgM4 0.00000 0.50000 0.50000 0.94600 0.00660 FeM4 0.00000 0.50000 0.50000 0.05400 0.00660 SiT1 0.23159 0.16805 0.19168 0.64000 0.00760 AlT1 0.23159 0.16805 0.19168 0.36000 0.00760 SiT2 0.73199 0.00125 0.19169 0.63900 0.00770 AlT2 0.73199 0.00125 0.19169 0.36100 0.00770 O1 0.19280 0.16750 0.07680 1.00000 0.00990 O2 0.69300 0.00050 0.07690 1.00000 0.01020 O3 0.21330 0.33500 0.23290 1.00000 0.01630 O4 0.51210 0.10080 0.23300 1.00000 0.01680 O5 0.01210 0.06870 0.23300 1.00000 0.01660 O1 0.69220 0.33360 0.07340 1.00000 0.01090 O2 0.15210 -0.00060 0.43040 1.00000 0.01520 O3 0.13820 0.33740 0.43030 1.00000 0.01580 O4 0.63860 0.16150 0.43090 1.00000 0.01470 H1 0.70900 0.33500 0.13400 1.00000 0.03700 H2 0.13200 0.00500 0.37500 1.00000 0.03700 H3 0.13100 0.33800 0.37700 1.00000 0.03700 H4 0.62000 0.16100 0.37500 1.00000 0.03700