Variable Framework Structures and Centricities in Alkali Metal Yttrium Selenites, AY(SeO3)2 (A = Na, K, Rb, and Cs).
Bang, Seong-Eun; Lee, Dong Woo; Ok, Kang Min; Inorganic chemistry 53 (2014) 4756–4762; doi:10.1021/ic500548v

data_4338194
_publ_section_title
;
 Variable Framework Structures and Centricities in Alkali Metal Yttrium
 Selenites, AY(SeO3)2 (A = Na, K, Rb, and Cs).
;
_journal_issue                   9
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4756
_journal_page_last               4762
_journal_paper_doi               10.1021/ic500548v
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'O6 Rb Se2 Y'
_chemical_formula_weight         428.3
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.7594(5)
_cell_length_b                   5.7457(2)
_cell_length_c                   8.7692(3)
_cell_measurement_temperature    298.0(2)
_cell_volume                     693.27(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298.0(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'Bruker SMART Breeze'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0974
_diffrn_reflns_av_unetI/netI     0.0385
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            16542
_diffrn_reflns_theta_full        28.3
_diffrn_reflns_theta_max         28.3
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    25.857
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.69
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS(Blessing, 1995) 
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    4.103
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rod
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.195
_exptl_crystal_size_mid          0.012
_exptl_crystal_size_min          0.011
_refine_diff_density_max         0.846
_refine_diff_density_min         -0.989
_refine_diff_density_rms         0.236
_refine_ls_extinction_coef       0.0039(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_matrix_type           full
_refine_ls_number_parameters     56
_refine_ls_number_reflns         945
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.0399
_refine_ls_R_factor_gt           0.0245
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0240P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0498
_refine_ls_wR_factor_ref         0.0531
_reflns_number_gt                720
_reflns_number_total             945
_reflns_threshold_expression     >2s\(I)
_cod_data_source_file            ic500548v_si_002.cif
_cod_data_source_block           RbY(SeO3)2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'EMPIRICAL'
changed to 'empirical' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4338193--4338195.cif.
;
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               4338194