Halogen bonds in 2,5-dihalopyridine-copper(ii) chloride complexes
Puttreddy, Rakesh; von Essen, Carolina; Peuronen, Anssi; Lahtinen, Manu; Rissanen, Kari; CrystEngComm 20 (2018) 1954–; doi:10.1039/C8CE00209F

data_7230217
_publ_section_title
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 Halogen bonds in 2,5-dihalopyridine-copper(ii) chloride complexes
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              1954
_journal_paper_doi               10.1039/C8CE00209F
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C20 H12 Br4 Cl8 Cu2 N4'
_chemical_formula_sum            'C20 H12 Br4 Cl8 Cu2 N4'
_chemical_formula_weight         1038.66
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-I 2y'
_space_group_name_H-M_alt        'I 1 2/m 1'
_symmetry_space_group_name_Hall  '-I 2y'
_symmetry_space_group_name_H-M   'I 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-01-23
_audit_creation_method
;
Olex2 1.2
(compiled 2017.07.20 svn.r3457 for OlexSys, GUI svn.r5370)
;
_audit_update_record
;
2018-02-01 deposited with the CCDC.
2018-03-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.06(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.8894(16)
_cell_length_b                   14.316(3)
_cell_length_c                   13.494(3)
_cell_measurement_reflns_used    1785
_cell_measurement_temperature    170.0(1)
_cell_measurement_theta_max      27.878
_cell_measurement_theta_min      0.407
_cell_volume                     1523.1(6)
_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      170.0(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0279
_diffrn_reflns_av_unetI/netI     0.0325
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            4917
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.237
_diffrn_reflns_theta_max         25.237
_diffrn_reflns_theta_min         2.846
_exptl_absorpt_coefficient_mu    7.367
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.5248
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2012/1 (Bruker,2012) was used for absorption correction. wR2(int) was 0.0944 before and 0.0549 after correction. The Ratio of minimum to maximum transmission is 0.7038. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            green
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    2.265
_exptl_crystal_description       block
_exptl_crystal_F_000             988
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.376
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         1448
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0259
_refine_ls_R_factor_gt           0.0212
_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^)+(0.0054P)^2^+3.1348P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0450
_refine_ls_wR_factor_ref         0.0466
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1299
_reflns_number_total             1448
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00209f2.cif
_cod_data_source_block           3_4_CuCl2_2
_cod_depositor_comments
'Adding full bibliography for 7230211--7230222.cif.'
_cod_original_cell_volume        1523.1(5)
_cod_database_code               7230217
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6)
;
_olex2_submission_special_instructions 'No special instructions were received'