data_global _chemical_name_mineral 'Novgorodovaite' loop_ _publ_author_name 'Rastsvetaeva R K' 'Chukanov N V' 'Nekrasov Y V' _journal_name_full 'Doklady Akademii Nauk SSSR' _journal_volume 381 _journal_year 2001 _journal_page_first 353 _journal_page_last 355 _publ_section_title ; Crystal structure of novgorodovaite, Ca2(C2O4)Cl2*2H2O ; _database_code_amcsd 0012496 _chemical_formula_sum 'Ca C O3 Cl H2' _cell_length_a 6.936 _cell_length_b 7.382 _cell_length_c 7.443 _cell_angle_alpha 90 _cell_angle_beta 94.3 _cell_angle_gamma 90 _cell_volume 380.020 _exptl_crystal_density_diffrn 2.404 _symmetry_space_group_name_H-M 'I 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca 0.25140 0.00000 -0.13590 0.01165 C 0.00000 0.10530 0.50000 0.01254 O1 0.11900 0.18110 0.61060 0.01532 Cl 0.35850 0.00000 0.23500 0.01596 Ow2 0.00000 0.18910 0.00000 0.01722 H 0.05600 0.24100 0.08100 0.01267