New sarcosine‒metal halide complexes related to ferroelectric TSCC
Clulow, Rebecca; Lightfoot, Philip; CrystEngComm 20 (2018) 4012–; doi:10.1039/C8CE00719E

data_7231019
_publ_section_title
;
 New sarcosine--metal halide complexes related to ferroelectric TSCC
;
_journal_issue                   28
_journal_name_full               CrystEngComm
_journal_page_first              4012
_journal_paper_doi               10.1039/C8CE00719E
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C9 H25 Mg N3 O6, 2(Br)'
_chemical_formula_sum            'C9 H25 Br2 Mg N3 O8'
_chemical_formula_weight         487.45
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-05-03 deposited with the CCDC.
2018-06-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5844(6)
_cell_length_b                   18.9445(13)
_cell_length_c                   9.9448(6)
_cell_measurement_reflns_used    889
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.0
_cell_volume                     1805.7(2)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku Mercury2 (2x2 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0624
_diffrn_reflns_av_unetI/netI     0.0275
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            17644
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.506
_diffrn_reflns_theta_min         2.150
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    4.564
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.881
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'The program SADABS-2008/1 - G.M. Sheldrick was used to apply a multi-scan absorption correction.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.793
_exptl_crystal_description       block
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.750
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.794
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         2139
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.794
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0288
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.1090
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1586
_reflns_number_total             2139
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00719e2.cif
_cod_data_source_block           shelx_CCDC16
_cod_depositor_comments
'Adding full bibliography for 7231003--7231021.cif.'
_cod_database_code               7231019
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              40553