Mixed Bromine‒Chlorine Induced Great Dielectric and Second-Order Nonlinear Optical Properties Changes in Phase Transitions Compounds [H2mdap][BiBr5(1-x)Cl5x] (x = 0.00‒1.00)
Wang, Ya; Shi, Chao; Han, Xiang-Bin; The Journal of Physical Chemistry C 121 (2017) 23039–; doi:10.1021/acs.jpcc.7b05126

data_1547655
_publ_section_title
;
 Mixed Bromine--Chlorine Induced Great Dielectric and Second-Order
 Nonlinear Optical Properties Changes in Phase Transitions Compounds
 [H2mdap][BiBr5(1-x)Cl5x] (x = 0.00--1.00)
;
_journal_issue                   41
_journal_name_full               'The Journal of Physical Chemistry C'
_journal_page_first              23039
_journal_paper_doi               10.1021/acs.jpcc.7b05126
_journal_volume                  121
_journal_year                    2017
_chemical_formula_sum            'C4 H14 Bi Br1.8 Cl3.2 N2'
_chemical_formula_weight         556.41
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.109(4)
_cell_length_b                   9.998(2)
_cell_length_c                   7.5855(15)
_cell_measurement_reflns_used    3151
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.480
_cell_measurement_theta_min      3.035
_cell_volume                     1373.4(5)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku, SCXmini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0830
_diffrn_reflns_av_unetI/netI     0.0968
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            9085
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.480
_diffrn_reflns_theta_min         3.035
_exptl_absorpt_coefficient_mu    18.658
_exptl_absorpt_correction_T_max  0.005
_exptl_absorpt_correction_T_min  0.002
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    2.691
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1009.6
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.28
_refine_diff_density_max         2.651
_refine_diff_density_min         -2.525
_refine_diff_density_rms         0.293
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   -0.02(3)
_refine_ls_extinction_coef       0.0051(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         3151
_refine_ls_number_restraints     125
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0788
_refine_ls_R_factor_gt           0.0603
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0703P)^2^+4.0194P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1441
_refine_ls_wR_factor_ref         0.1531
_reflns_Friedel_coverage         0.863
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                2439
_reflns_number_total             3151
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jp7b05126_si_002.cif
_cod_data_source_block           0.64_293K
_cod_depositor_comments
'Adding full bibliography for 1547653--1547662.cif.'
_cod_original_formula_sum        'C4 H14 Bi Br1.80 Cl3.20 N2 '
_cod_database_code               1547655
_publcif_datablock.id            {c5fadad5-3faf-412a-a2b2-021904282042}
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              60935
_shelx_hkl_checksum              98919