The Aryl Bromine−Halide Ion Synthon and Its Role in the Control of the Crystal Structures of Tetrahalocuprate(II) Ions
Willett, Roger D.; Awwadi, Firas; Butcher, Robert; Haddad, Salim; Twamley, Brendan; Crystal Growth & Design 3 (2003) 301–; doi:10.1021/cg030003y

data_4511657
_publ_section_title
;
 The Aryl Bromine&#x2212;Halide Ion Synthon and Its Role in the Control of
 the Crystal Structures of Tetrahalocuprate(II) Ions
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              301
_journal_paper_doi               10.1021/cg030003y
_journal_volume                  3
_journal_year                    2003
_chemical_formula_moiety         'C10 H10 Br2 Cl4 Cu N2'
_chemical_formula_sum            'C10 H10 Br2 Cl4 Cu N2'
_chemical_formula_weight         523.36
_chemical_name_common            (2-BrPyH)2CuCl4)
_chemical_name_systematic
; 
 2-Bromopyridinium tetrachlorocoprate(II)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.75(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.938(5)
_cell_length_b                   9.616(3)
_cell_length_c                   13.784(5)
_cell_measurement_reflns_used    29
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      12.48
_cell_measurement_theta_min      5.18
_cell_volume                     1714.1(11)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'XP, Bruker SHELXTL v. 5.10'
_computing_publication_material  'XCIF, Bruker SHELXTL v. 5.10'
_computing_structure_refinement  'XL, Bruker SHELXTL v. 5.10'
_computing_structure_solution    'XS, Bruker SHELXTL v. 5.10'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Siemens P21 upgraded to P4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0356
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1502
_diffrn_reflns_theta_full        25.33
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         2.23
_diffrn_standards_decay_%        'no decay was observed'
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    6.546
_exptl_absorpt_correction_T_max  1.216
_exptl_absorpt_correction_T_min  0.882
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SHELXL xabs'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.028
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             1004
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.648
_refine_diff_density_min         -0.415
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         1502
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0621P)^2^+1.7156P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1060
_reflns_number_gt                1254
_reflns_number_total             1502
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg030003y_s1.cif
_cod_data_source_block           (2BP)2CuCl4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1714.3(10)
_cod_original_sg_symbol_H-M      'C2/c  '
_cod_database_code               4511657