The Aryl Chlorine−Halide Ion Synthon and Its Role in the Control of the Crystal Structures of Tetrahalocuprate(II) Ions
Awwadi, Firas F.; Willett, Roger D.; Twamley, Brendan; Crystal Growth & Design 7 (2007) 624–; doi:10.1021/cg060153j

data_4503892
_publ_section_title
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 The Aryl Chlorine&#x2212;Halide Ion Synthon and Its Role in the Control
 of the Crystal Structures of Tetrahalocuprate(II) Ions
;
_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              624
_journal_paper_doi               10.1021/cg060153j
_journal_volume                  7
_journal_year                    2007
_chemical_formula_moiety         '2(C5 H5 Cl N), Br4 Cu'
_chemical_formula_sum            'C10 H10 Br4 Cl2 Cu N2'
_chemical_formula_weight         612.28
_chemical_name_common            '[4ClPy]2[CuBr4]'
_chemical_name_systematic
; 
 ? 
;
_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                 98.446(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.010(2)
_cell_length_b                   7.6734(9)
_cell_length_c                   13.8038(17)
_cell_measurement_reflns_used    33
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      14.68
_cell_measurement_theta_min      2.43
_cell_volume                     1782.2(4)
_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      295(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Siemens P2~1~ upgraded to P4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            1922
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         24.66
_diffrn_reflns_theta_min         2.42
_diffrn_standards_decay_%        'no decay was observed'
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    10.480
_exptl_absorpt_correction_T_max  0.128
_exptl_absorpt_correction_T_min  0.054
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'XPREP, Bruker SHELXTL v. 5.10'
_exptl_crystal_colour            'dark pink'
_exptl_crystal_density_diffrn    2.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             1148
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.856
_refine_diff_density_min         -0.772
_refine_diff_density_rms         0.165
_refine_ls_extinction_coef       0.0072(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     88
_refine_ls_number_reflns         1485
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0741P)^2^+6.9975P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1379
_reflns_number_gt                1061
_reflns_number_total             1485
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060153jsi20060319_121532.cif
_cod_data_source_block           fa252a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4503892