#------------------------------------------------------------------------------ #$Date: 2011-09-10 06:16:28 +0300 (Sat, 10 Sep 2011) $ #$Revision: 25271 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2009816.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2009816 loop_ _publ_author_name 'Valkonen, J.' _publ_section_title ; Cadmium selenite--water (4/3) and two polymorphic forms of cadmium selenite ; _journal_issue 7 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 991 _journal_page_last 994 _journal_volume 50 _journal_year 1994 _chemical_formula_sum 'Cd O3 Se' _chemical_formula_weight 239.36 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _atom_type_scat_source 'IntTabIV Tables 2.2B, 2.3.1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.2773(6) _cell_length_b 8.085(3) _cell_length_c 5.2939(4) _cell_measurement_reflns_used 25 _cell_measurement_temperature 298 _cell_measurement_theta_max 15.40 _cell_measurement_theta_min 6.97 _cell_volume 268.68(10) _diffrn_measurement_device 'Enraf-Nonius CAD-4' _diffrn_measurement_method 2\q/\w _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 9 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 1006 _diffrn_reflns_theta_max 39.99 _diffrn_standards_decay_% <2 _diffrn_standards_interval_time 30 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 21.27 _exptl_absorpt_correction_T_max 1.166 _exptl_absorpt_correction_T_min 0.878 _exptl_absorpt_correction_type 'DIFABS (Walker & Stuart, 1983)' _exptl_crystal_colour white _exptl_crystal_density_diffrn 5.92 _exptl_crystal_description prismatic _exptl_crystal_size_max 0.30 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.20 _refine_diff_density_max 1.65 _refine_diff_density_min -3.21 _refine_ls_extinction_coef 'g = 6.06x10^-7^' _refine_ls_extinction_method '|F~c~| = |F~o~|x(1+gIc) (Stout & Jensen, 1968)' _refine_ls_goodness_of_fit_obs 1.52 _refine_ls_number_parameters 29 _refine_ls_number_reflns 738 _refine_ls_R_factor_obs 2.2 _refine_ls_shift/esd_max 0.005 _refine_ls_structure_factor_coef F _refine_ls_weighting_scheme unit _refine_ls_wR_factor_obs 2.9 _reflns_number_observed 738 _reflns_number_total 1006 _reflns_observed_criterion I>3\s(I) _[local]_cod_data_source_file ab1066.cif _[local]_cod_data_source_block ab1066_structure_1_of_3 _[local]_cod_chemical_formula_sum_orig 'Cd1 O3 Se1' _cod_original_cell_volume 268.68(9) _cod_database_code 2009816 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Cd(1) .000 .000 .000 .00690(10) Se(1) .02906(7) .250 .51643(9) .00490(10) O(1) .0904(7) .250 .2024(7) .0079(6) O(2) .1743(4) .0871(4) .6308(5) .0091(5) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag O(1) Cd(1) O(1) 180.000 no O(1) Cd(1) O(2) 90.50(10) no O(1) Cd(1) O(2) 89.50(10) no O(1) Cd(1) O(2) 84.90(10) no O(1) Cd(1) O(2) 95.10(10) no O(1) Cd(1) O(2) 89.50(10) no O(1) Cd(1) O(2) 90.50(10) no O(1) Cd(1) O(2) 95.10(10) no O(1) CD(1) O(2) 84.90(10) no O(2) Cd(1) O(2) 180.0000 no O(2) Cd(1) O(2) 85.80(10) no O(2) Cd(1) O(2) 94.20(10) no O(2) Cd(1) O(2) 94.20(10) no O(2) Cd(1) O(2) 85.80(10) no O(2) Cd(1) O(2) 180.000 no O(1) Se(1) O(2) 103.00(10) no O(1) Se(1) O(2) 103.00(10) no O(2) Se(1) O(2) 100.50(10) no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag Cd(1) O(1) 2.357(2) yes Cd(1) O(1) 2.357(2) yes Cd(1) O(2) 2.348(3) yes Cd(1) O(2) 2.348(3) yes Cd(1) O(2) 2.271(3) yes Cd(1) O(2) 2.271(3) yes Se(1) O(1) 1.706(4) yes Se(1) O(2) 1.713(3) yes Se(1) O(2) 1.713(3) yes