Structural modulation induced by M<sup>IIIA</sup> metals in Ba<sub>3</sub>MQ<sub>4</sub>X (M = Al, Ga, In; Q = S, Se; X = Cl, Br): an experimental and computational analysis.
Tudi, Abudukadi; Han, Shujuan; Abudurusuli, Ailijiang; Yu, Haohai; Yang, Zhihua; Pan, Shilie; Dalton transactions (Cambridge, England : 2003) 48 (2019) 12713–12719; doi:10.1039/c9dt01833f

data_7700684
_publ_section_title
;
 Structural modulation induced by M<sup>IIIA</sup> metals in
 Ba<sub>3</sub>MQ<sub>4</sub>X (M = Al, Ga, In; Q = S, Se; X = Cl, Br): an
 experimental and computational analysis.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12713
_journal_page_last               12719
_journal_paper_doi               10.1039/c9dt01833f
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'Al Ba3 Cl Se4'
_chemical_formula_weight         790.29
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2019-04-29 deposited with the CCDC.    2019-07-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6532(18)
_cell_length_b                   9.8696(14)
_cell_length_c                   8.7452(12)
_cell_measurement_reflns_used    3070
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.83
_cell_volume                     1092.1(3)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0308
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6344
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         2.83
_exptl_absorpt_coefficient_mu    24.282
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4584
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    4.806
_exptl_crystal_description       block
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.197
_exptl_crystal_size_mid          0.132
_exptl_crystal_size_min          0.087
_refine_diff_density_max         1.226
_refine_diff_density_min         -0.950
_refine_diff_density_rms         0.249
_refine_ls_extinction_coef       0.00290(10)
_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   1.069
_refine_ls_matrix_type           full
_refine_ls_number_parameters     50
_refine_ls_number_reflns         1325
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0215
_refine_ls_R_factor_gt           0.0186
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0181P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0393
_refine_ls_wR_factor_ref         0.0402
_reflns_number_gt                1202
_reflns_number_total             1325
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt01833f2.cif
_cod_data_source_block           basc
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 

 Adding full bibliography for 7700681--7700684.cif.
;
_cod_original_sg_symbol_H-M      'Pnma '
_cod_database_code               7700684