Role of Acentric Displacements on the Crystal Structure and Second-Harmonic Generating Properties of RbPbCO3F and CsPbCO3F.
Tran, T. Thao; Halasyamani, P. Shiv; Rondinelli, James M.; Inorganic chemistry 53 (2014) 6241–6251; doi:10.1021/ic500778n

data_4338509
_publ_section_title
;
 Role of Acentric Displacements on the Crystal Structure and
 Second-Harmonic Generating Properties of RbPbCO3F and CsPbCO3F.
;
_journal_issue                   12
_journal_name_full               'Inorganic chemistry'
_journal_page_first              6241
_journal_page_last               6251
_journal_paper_doi               10.1021/ic500778n
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'C F O3 Pb Rb'
_chemical_formula_weight         371.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           187
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P -6 2'
_symmetry_space_group_name_H-M   'P -6 m 2'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            1
_cell_length_a                   5.3488(12)
_cell_length_b                   5.3488(12)
_cell_length_c                   4.8269(12)
_cell_measurement_reflns_used    821
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      4.22
_cell_volume                     119.59(5)
_computing_cell_refinement       'SAINT v7.60A (Bruker-Nonius, 2013)'
_computing_data_collection       'APEX2 v2013.4-1 (Bruker-Nonius, 2013)'
_computing_data_reduction        'SAINT v7.60A (Bruker-Nonius, 2013)'
_computing_structure_refinement  'SHELXL v6.12 (G.M. Sheldrick, 1997)'
_computing_structure_solution    'SHELXS v6.12 (G.M. Sheldrick, 1997)'
_diffrn_ambient_temperature      213(2)
_diffrn_detector_area_resol_mean 4K
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Bruker DUO APEX II CCD'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0201
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            820
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         4.22
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    45.287
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.4553
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SAINT v7.60A'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    5.161
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Column
_exptl_crystal_F_000             158
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.673
_refine_diff_density_min         -0.853
_refine_diff_density_rms         0.233
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.09(3)
_refine_ls_extinction_coef       0.081(6)
_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   1.267
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     16
_refine_ls_number_reflns         132
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.267
_refine_ls_R_factor_all          0.0112
_refine_ls_R_factor_gt           0.0112
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0116P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0258
_refine_ls_wR_factor_ref         0.0258
_reflns_number_gt                132
_reflns_number_total             132
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic500778n_si_002.cif
_cod_data_source_block           RbPbCO3F
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
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 4338509--4338510.cif.
;
_cod_original_sg_symbol_H-M      P-6m2
_cod_database_code               4338509