Structural and luminescence properties of acetamidinium- and imidazolium-based copper halides.
Petrov, Andrey A.; Chen, Luyi; Li, Mingming; Fateev, Sergey A.; Dalton transactions (Cambridge, England : 2003) 55 (2026) 3422–3427; doi:10.1039/d5dt02254a

data_7720309
_publ_section_title
;
 Structural and luminescence properties of acetamidinium- and
 imidazolium-based copper halides.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3422
_journal_page_last               3427
_journal_paper_doi               10.1039/d5dt02254a
_journal_volume                  55
_journal_year                    2026
_chemical_formula_moiety         'Br2 Cu, 2(C1.5 H2.5 N)'
_chemical_formula_sum            'C3 H5 Br2 Cu N2'
_chemical_formula_weight         292.45
_chemical_name_systematic        'Imidazolium bromocuprate'
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2024-12-24
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2025-10-24 deposited with the CCDC.	2025-12-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 118.931(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.3264(14)
_cell_length_b                   8.8529(9)
_cell_length_c                   11.8454(18)
_cell_measurement_reflns_used    5499
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      30.48
_cell_measurement_theta_min      2.70
_cell_volume                     1406.6(3)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_collection       'Apex3 (Bruker 2018)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT 2014'
_diffrn_ambient_temperature      100.0(2)
_diffrn_detector                 'Bruker PHOTON II area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0764
_diffrn_reflns_av_unetI/netI     0.0600
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11940
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.552
_diffrn_reflns_theta_min         2.704
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    14.364
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.4715
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1211 before and 0.0900 after correction.
The Ratio of minimum to maximum transmission is 0.6320.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    2.762
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.157
_refine_diff_density_min         -1.122
_refine_diff_density_rms         0.265
_refine_ls_extinction_coef       0.00112(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     83
_refine_ls_number_reflns         2261
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0252P)^2^+0.0250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0721
_refine_ls_wR_factor_ref         0.0797
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1840
_reflns_number_total             2261
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02254a2.cif
_cod_data_source_block           mo_cxy2085_0ma
_cod_database_code               7720309
_shelx_shelxl_version_number     2019/2
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 N1(H1), C1(H1A), C2(H2), C3(H3), N2(H2A), C4(H4)
;
_shelx_res_checksum              45187
_olex2_submission_special_instructions 'No special instructions were received'