Syntheses and structures of copper(I) complexes based on Cu(n)X(n) (X = Br and I; n = 1, 2 and 4) units and bis(pyridyl) ligands with longer flexible spacer.
Deng, Zhao-Peng; Qi, Hui-Ling; Huo, Li-Hua; Ng, Seik Weng; Zhao, Hui; Gao, Shan; Dalton transactions (Cambridge, England : 2003) 39 (2010) 10038–10050; doi:10.1039/c0dt00336k

data_7026316
_publ_section_title
;
 Syntheses and structures of copper(I) complexes based on Cu(n)X(n) (X =
 Br and I; n = 1, 2 and 4) units and bis(pyridyl) ligands with longer
 flexible spacer.
;
_journal_issue                   42
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10038
_journal_page_last               10050
_journal_paper_doi               10.1039/c0dt00336k
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C18 H18 Cu2 I2 N4'
_chemical_formula_sum            'C18 H18 Cu2 I2 N4'
_chemical_formula_weight         671.24
_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                 95.60(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.2047(16)
_cell_length_b                   29.110(6)
_cell_length_c                   16.703(3)
_cell_measurement_reflns_used    11679
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      3.06
_cell_volume                     3970.3(13)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku Corporation, 1998)'
_computing_data_reduction
'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2002)'
_computing_molecular_graphics    SHELXL-97
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0854
_diffrn_reflns_av_sigmaI/netI    0.0608
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19475
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.06
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.262
_exptl_absorpt_correction_T_max  0.4192
_exptl_absorpt_correction_T_min  0.3529
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    2.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2544
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.245
_refine_diff_density_min         -1.757
_refine_diff_density_rms         0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4553
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0924
_refine_ls_R_factor_gt           0.0499
_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^)+(0.0615P)^2^+40.9854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1749
_reflns_number_gt                2953
_reflns_number_total             4553
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00336k.txt
_cod_data_source_block           complex8
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7026316