LiMCO3 (M = K, Rb, Cs): a series of mixed alkali carbonates with large birefringence.
Liu, Qiong; Li, Zhi; Wang, Ying; Su, Xin; Yang, Zhihua; Pan, Shilie; Dalton transactions (Cambridge, England : 2003)  (2017) –; doi:10.1039/c7dt00270j

data_7042943
_publ_section_title
;
 LiMCO3 (M = K, Rb, Cs): a series of mixed alkali carbonates with large
 birefringence.
;
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_paper_doi               10.1039/c7dt00270j
_journal_year                    2017
_chemical_formula_sum            'C Li O3 Rb'
_chemical_formula_weight         152.42
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-01-22 deposited with the CCDC.
2017-05-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 114.961(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.849(3)
_cell_length_b                   7.162(3)
_cell_length_c                   7.525(3)
_cell_measurement_reflns_used    1053
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.38
_cell_volume                     334.6(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0167
_diffrn_reflns_av_sigmaI/netI    0.0245
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            1569
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.38
_exptl_absorpt_coefficient_mu    14.597
_exptl_absorpt_correction_T_max  0.3599
_exptl_absorpt_correction_T_min  0.2566
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   face-indexed
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.025
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             280
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.757
_refine_diff_density_min         -0.746
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     55
_refine_ls_number_reflns         765
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0251
_refine_ls_R_factor_gt           0.0203
_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^)+(0.0289P)^2^+0.1084P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0512
_refine_ls_wR_factor_ref         0.0525
_reflns_number_gt                670
_reflns_number_total             765
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt00270j2.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               7042943