Achievement of a giant electromechanical conversion coefficient in a molecule-based ferroelectric.
Wang, Bin; Li, Zhirui; Tang, Zhengxiao; Zhao, Haixia; Long, Lasheng; Zheng, Lansun; Chemical science 15 (2024) 15192–15197; doi:10.1039/d4sc04185b

data_1572408
_publ_section_title
;
 Achievement of a giant electromechanical conversion coefficient in a
 molecule-based ferroelectric.
;
_journal_issue                   37
_journal_name_full               'Chemical science'
_journal_page_first              15192
_journal_page_last               15197
_journal_paper_doi               10.1039/d4sc04185b
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C5 H13 Cl N, Br4 Ga'
_chemical_formula_sum            'C5 H13 Br4 Cl Ga N'
_chemical_formula_weight         511.97
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-07-14
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-07-14 deposited with the CCDC.	2024-08-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.0655(8)
_cell_length_b                   7.6705(5)
_cell_length_c                   13.2164(7)
_cell_measurement_reflns_used    1339
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      66.2980
_cell_measurement_theta_min      3.3430
_cell_volume                     1425.91(14)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.4741
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -31.00  -3.00   1.00    1.00    --  -42.60 125.00 -30.00   28
  2  \w    -92.00 -52.00   1.00    1.00    --  -42.60 125.00 -90.00   40
  3  \w    -44.00  -6.00   1.00    1.00    --  -42.60 125.00 -90.00   38
  4  \w    -88.00 -63.00   1.00    1.00    --  -42.60 125.00 -30.00   25
  5  \w     27.00  53.00   1.00    1.00    --   42.60-125.00 150.00   26
  6  \w     17.00 106.00   1.00    1.00    --   91.99 -30.00 -90.00   89
  7  \w     91.00 134.00   1.00    1.00    --   91.99  45.00-180.00   43
  8  \w     94.00 157.00   1.00    1.00    --   91.99 125.00 -90.00   63
  9  \w     21.00  52.00   1.00    1.00    --   91.99 -30.00-120.00   31
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0602121000
_diffrn_orient_matrix_UB_12      0.0403318000
_diffrn_orient_matrix_UB_13      -0.0945458000
_diffrn_orient_matrix_UB_21      -0.0337774000
_diffrn_orient_matrix_UB_22      -0.1714386000
_diffrn_orient_matrix_UB_23      -0.0489487000
_diffrn_orient_matrix_UB_31      -0.0849706000
_diffrn_orient_matrix_UB_32      0.0967409000
_diffrn_orient_matrix_UB_33      -0.0474403000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0408
_diffrn_reflns_av_unetI/netI     0.0408
_diffrn_reflns_Laue_measured_fraction_full 0.974
_diffrn_reflns_Laue_measured_fraction_max 0.974
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3153
_diffrn_reflns_point_group_measured_fraction_full 0.975
_diffrn_reflns_point_group_measured_fraction_max 0.975
_diffrn_reflns_theta_full        66.833
_diffrn_reflns_theta_max         66.833
_diffrn_reflns_theta_min         5.768
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    17.185
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.45085
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46e (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear yellowish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.385
_exptl_crystal_description       needle
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.119
_refine_diff_density_min         -1.175
_refine_diff_density_rms         0.221
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.00(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         1616
_refine_ls_number_restraints     102
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0761
_refine_ls_R_factor_gt           0.0616
_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^)+(0.1071P)^2^+2.9772P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1592
_refine_ls_wR_factor_ref         0.1806
_reflns_Friedel_coverage         0.906
_reflns_Friedel_fraction_full    0.976
_reflns_Friedel_fraction_max     0.976
_reflns_number_gt                1271
_reflns_number_total             1616
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc04185b4.cif
_cod_data_source_block           1
_cod_depositor_comments          'Adding full bibliography for 1572408.cif.'
_cod_database_code               1572408
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.278
_shelx_estimated_absorpt_t_min   0.130
_reflns_odcompleteness_completeness 99.93
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     62.30
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 1.00(16)
 0.00(16)
2. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3. Restrained distances
 C7-C5
 1.52 with sigma of 0.01
 N1-C5
 2.51 with sigma of 0.01
 N1-C2 \\sim N1-C1 \\sim N1-C3
 with sigma of 0.01
 N1-C7 \\sim N1-C3 \\sim N1-C1 \\sim N1-C2
 with sigma of 0.01
 N1-C3 \\sim N1-C2 \\sim N1-C1 \\sim N1-C7
 with sigma of 0.01
 C3-C2 \\sim C3-C1 \\sim C3-C7 \\sim C2-C1 \\sim C2-C7
 with sigma of 0.02
 Cl-C7 \\sim Cl-C7A
 with sigma of 0.04
 C5-C7 \\sim C5A-C7A
 with sigma of 0.02
 Cl-C5 \\sim Cl-C5A
 with sigma of 0.02
 N1-C7 \\sim N1-C7A
 with sigma of 0.02
 N1-C5 \\sim N1-C5A
 with sigma of 0.04
4. Uiso/Uaniso restraints and constraints
C7 \\sim Cl \\sim C5 \\sim N1 \\sim C3 \\sim C2 \\sim C1: within 2A with sigma
of 0.01 and sigma for terminal atoms of 0.02 within 2A
C5 \\sim Cl \\sim C5A \\sim C7 \\sim C7A \\sim N1 \\sim C3 \\sim C2 \\sim C1:
within 2A with sigma of 0.01 and sigma for terminal atoms of 0.02 within 2A
5. Others
 Sof(C7A)=Sof(H7AA)=Sof(H7AB)=Sof(C5A)=Sof(H5AA)=Sof(H5AB)=1-FVAR(1)
 Sof(C5)=Sof(H5A)=Sof(H5B)=Sof(C7)=Sof(H7A)=Sof(H7B)=FVAR(1)
6.a Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C7(H7A,H7B), C7A(H7AA,H7AB), C5A(H5AA,H5AB)
6.b Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C), C2(H2A,H2B,H2C), C1(H1A,H1B,H1C)
;
_shelx_res_checksum              21993
_shelx_hkl_checksum              162
_olex2_date_sample_data_collection 2020-12-09
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.800
_oxdiff_exptl_absorpt_empirical_full_min 0.539