data_1010199 _chemical_name_systematic 'Chromium chloride hexahydrate' _chemical_formula_structural 'Cr Cl3 (H2 O)6' _chemical_formula_sum 'H12 Cl3 Cr O6' _publ_section_title ; Kristallhydrate. II.Die Struktur von Chromchlorid- und Aluminiumchloridhexahydrat. ; loop_ _publ_author_name 'Andress, K R' 'Carpenter, C' _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_coden_ASTM ZEKGAX _journal_volume 87 _journal_year 1934 _journal_page_first 446 _journal_page_last 463 _cell_length_a 7.95(3) _cell_length_b 7.95(3) _cell_length_c 7.95(3) _cell_angle_alpha 97.00(33) _cell_angle_beta 97.00(33) _cell_angle_gamma 97.00(33) _cell_volume 490.2 _cell_formula_units_Z 2 _exptl_crystal_density_meas 1.79 _symmetry_space_group_name_H-M 'R -3 c R' _symmetry_Int_Tables_number 167 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'y,z,x' 'z,x,y' '-x,-y,-z' '-y,-z,-x' '-z,-x,-y' '1/2+y,1/2+x,1/2+z' '1/2+z,1/2+y,1/2+x' '1/2+x,1/2+z,1/2+y' '1/2-y,1/2-x,1/2-z' '1/2-z,1/2-y,1/2-x' '1/2-x,1/2-z,1/2-y' loop_ _atom_type_symbol _atom_type_oxidation_number Cr3+ 3.000 Cl1- -1.000 O2- -2.000 H1+ 1.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Cr1 Cr3+ 2 b 0. 0. 0. 1. 0 d Cl1 Cl1- 6 e 0.51 -0.01 0.25 1. 0 d O1 O2- 12 f 0.51 0.41 0.96 1. 2 d H1 H1+ 12 f -1. -1. -1. 2. 0 dum