Mechanochemical synthesis in copper(II) halide/pyridine systems: single crystal X-ray diffraction and IR spectroscopic studies.
Bowmaker, Graham A.; Di Nicola, Corrado; Pettinari, Claudio; Skelton, Brian W.; Somers, Neil; White, Allan H.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 5102–5115; doi:10.1039/c1dt10224a

data_7015897
_publ_section_title
;
 Mechanochemical synthesis in copper(II) halide/pyridine systems:
 single crystal X-ray diffraction and IR spectroscopic studies.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5102
_journal_page_last               5115
_journal_paper_doi               10.1039/c1dt10224a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C20 H20 Cu N4, 2(I3)'
_chemical_formula_sum            'C20 H20 Cu I6 N4'
_chemical_formula_weight         1141.34
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-10-15T16:31:36-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 92.272(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5744(3)
_cell_length_b                   10.5755(3)
_cell_length_c                   16.3685(8)
_cell_measurement_reflns_used    8997
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      37.5247
_cell_measurement_theta_min      3.7299
_cell_volume                     1483.11(10)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_molecular_graphics    'OrtepII (Johnson, C. K. (1976)'
_computing_publication_material  'WinGX Farrugia, L. J. (1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4738
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'Oxford Diffraction Gemini diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0456376853
_diffrn_orient_matrix_UB_12      0.0503348599
_diffrn_orient_matrix_UB_13      -0.0165446536
_diffrn_orient_matrix_UB_21      -0.0308010513
_diffrn_orient_matrix_UB_22      -0.0407588479
_diffrn_orient_matrix_UB_23      -0.0309806589
_diffrn_orient_matrix_UB_31      -0.0617756237
_diffrn_orient_matrix_UB_32      -0.0169786547
_diffrn_orient_matrix_UB_33      0.0253342686
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0389
_diffrn_reflns_av_unetI/netI     0.0482
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            26818
_diffrn_reflns_theta_full        37
_diffrn_reflns_theta_max         37.62
_diffrn_reflns_theta_min         3.85
_exptl_absorpt_coefficient_mu    6.996
_exptl_absorpt_correction_T_max  0.667
_exptl_absorpt_correction_T_min  0.28
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.556
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1030
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.019
_refine_diff_density_min         -0.908
_refine_diff_density_rms         0.166
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.87
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         7586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.87
_refine_ls_R_factor_all          0.057
_refine_ls_R_factor_gt           0.0271
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0156P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0414
_refine_ls_wR_factor_ref         0.0454
_reflns_number_gt                5027
_reflns_number_total             7586
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c1dt10224a.txt
_cod_data_source_block           gb1072b
_cod_original_cell_volume        1483.10(10)
_cod_original_sg_symbol_Hall     '-p 2yac'
_cod_database_code               7015897