A white phosphorescent coordination polymer with Cu2I2 alternating units linked by benzo-18-crown-6.
Wu, Fengshou; Tong, Hongbo; Li, Zaoying; Lei, Wang; Liu, Li; Wong, Wai-Yeung; Wong, Wai-Kwok; Zhu, Xunjin; Dalton transactions (Cambridge, England : 2003) 43 (2014) 12463–12466; doi:10.1039/c4dt01070a

data_7030910
_publ_section_title
;
 A white phosphorescent coordination polymer with Cu2I2 alternating units
 linked by benzo-18-crown-6.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12463
_journal_page_last               12466
_journal_paper_doi               10.1039/c4dt01070a
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C32 H48 Br4 Cu2 K2 O12'
_chemical_formula_weight         1149.62
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.936(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.9380(12)
_cell_length_b                   17.818(2)
_cell_length_c                   12.4460(14)
_cell_measurement_reflns_used    2595
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.67
_cell_measurement_theta_min      2.29
_cell_volume                     2163.9(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       \w-scans
_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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0378
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11955
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    4.921
_exptl_absorpt_correction_T_max  0.2777
_exptl_absorpt_correction_T_min  0.2375
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.764
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.443
_refine_diff_density_min         -0.380
_refine_diff_density_rms         0.057
_refine_ls_extinction_coef       0.0027(2)
_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   0.982
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0318
_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^)+(0.0343P)^2^+0.6326P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0661
_refine_ls_wR_factor_ref         0.0765
_reflns_number_gt                2636
_reflns_number_total             3830
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt01070a2.cif
_cod_data_source_block           C2
_cod_depositor_comments
'Adding full bibliography for 7030907--7030910.cif.'
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7030910