Two new canted antiferromagnetic systems: magnetic, theoretical, and crystallographic studies on trans-bis(2-iodopyridine)dihalocopper(ii).
Awwadi, Firas F.; Alwahsh, Manal I.; Turnbull, Mark M.; Landee, Christopher P.; Twamley, Brendan; Dalton transactions (Cambridge, England : 2003) 50 (2021) 4167–4178; doi:10.1039/d0dt04071a

data_7706723
_publ_section_title
;
 Two new canted antiferromagnetic systems: magnetic, theoretical, and
 crystallographic studies on trans-bis(2-iodopyridine)dihalocopper(ii).
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4167
_journal_page_last               4178
_journal_paper_doi               10.1039/d0dt04071a
_journal_volume                  50
_journal_year                    2021
_chemical_formula_moiety         'C10 H8 Br2 Cu I2 N2'
_chemical_formula_sum            'C10 H8 Br2 Cu I2 N2'
_chemical_formula_weight         633.34
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-02-16
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6226)
;
_audit_update_record
;
2021-02-16 deposited with the CCDC.	2021-03-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.214(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.5405(17)
_cell_length_b                   7.9511(9)
_cell_length_c                   12.9193(14)
_cell_measurement_reflns_used    3161
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.951
_cell_measurement_theta_min      2.760
_cell_volume                     1516.4(3)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_collection       'APEX 3 (Bruker, 2017) '
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL  (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector                 'CMOS area detector'
_diffrn_detector_area_resol_mean 5.12
_diffrn_detector_type            'Bruker PHOTON 50'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Quest ECO'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    '0.5 mm double-pinhole'
_diffrn_radiation_detector       'Bruker PHOTON 50'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0676
_diffrn_reflns_av_unetI/netI     0.0446
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9674
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.130
_diffrn_reflns_theta_min         2.910
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           20.0
_diffrn_source_power             1.0
_diffrn_source_type              'Siemens, KFF Mo 2K -90 C'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    10.762
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.4778
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Krause, 2015) was used for absorption correction.
wR2(int) was 0.1246 before and 0.0669 after correction.
The Ratio of minimum to maximum transmission is 0.6409.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            green
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    2.774
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1148
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.782
_refine_diff_density_min         -0.837
_refine_diff_density_rms         0.164
_refine_ls_extinction_coef       0.00049(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     80
_refine_ls_number_reflns         1681
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0353
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+18.8779P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0652
_refine_ls_wR_factor_ref         0.0756
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1160
_reflns_number_total             1681
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt04071a2.cif
_cod_data_source_block           Cu(2ip)2Br2_RT
_cod_depositor_comments
'Adding full bibliography for 7706719--7706724.cif.'
_cod_database_code               7706723
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.564
_shelx_estimated_absorpt_t_min   0.278
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5)
;
_shelx_res_checksum              66628
_olex2_exptl_crystal_mounting_method 'mounted in oil on a MiTeGen microloop'
_olex2_submission_original_sample_id 'Cu(2Ip)2Br2 RT'
_olex2_submission_special_instructions 'No special instructions were received'