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_4503894
_publ_section_title
;
 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), Cl4 Cu'
_chemical_formula_sum            'C10 H10 Cl6 Cu N2'
_chemical_formula_weight         434.44
_chemical_name_common            '[4-ClPy][CuCl4] polymorph 2'
_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                 98.78(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.297(4)
_cell_length_b                   7.4692(15)
_cell_length_c                   13.738(3)
_cell_measurement_reflns_used    29
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      15.37
_cell_measurement_theta_min      2.54
_cell_volume                     1652.7(7)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0316
_diffrn_reflns_av_sigmaI/netI    0.0468
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            1827
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         24.72
_diffrn_reflns_theta_min         2.53
_diffrn_standards_decay_%        'no decay was observed'
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.277
_exptl_absorpt_correction_T_max  0.796
_exptl_absorpt_correction_T_min  0.416
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'XPREP, Bruker SHELXTL v. 5.10'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.746
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             860
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.364
_refine_diff_density_min         -0.384
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         1403
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0577
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+2.3826P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0895
_refine_ls_wR_factor_ref         0.0990
_reflns_number_gt                1095
_reflns_number_total             1403
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060153jsi20060319_121532.cif
_cod_data_source_block           c2c
_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 
;
_cod_original_cell_volume        1652.6(7)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4503894