The chain-like polynuclear coordination compounds (ZnBr2)n(18-crown-6)2 (n = 4, 6, 8, 10) and [Zn5Br9][N(Tf2)].
Hausmann, David; Feldmann, Claus; Dalton transactions (Cambridge, England : 2003) 42 (2013) 13487–13494; doi:10.1039/c3dt51130h

data_7023274
_publ_section_title
;
 The chain-like polynuclear coordination compounds (ZnBr2)n(18-crown-6)2
 (n = 4, 6, 8, 10) and [Zn5Br9][N(Tf2)].
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13487
_journal_page_last               13494
_journal_paper_doi               10.1039/c3dt51130h
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C24 H48 Br16 O12 Zn8'
_chemical_formula_weight         2330.14
_chemical_name_systematic
; 
 ? 
;
_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                 90.41(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.6801(15)
_cell_length_b                   12.809(3)
_cell_length_c                   29.307(6)
_cell_measurement_temperature    200(2)
_cell_volume                     2883.0(11)
_computing_cell_refinement       'CELL, SELECT (STOE)'
_computing_data_collection       'EXPOSE (STOE)'
_computing_data_reduction        'INTEGRATE (STOE)'
_computing_molecular_graphics    'DIAMOND, Crystal Impact'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.968
_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  0.0860
_diffrn_reflns_av_sigmaI/netI    0.0660
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            21276
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    14.44
_exptl_absorpt_correction_T_max  0.2414
_exptl_absorpt_correction_T_min  0.0763
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
'(X-RED, Data Reduction Program, Version 1.14, Stoe & Cie GmbH, Darmstadt 1999.; X-SHAPE, Crystal Optimisation for Numerical Absorption Correction, Version 1.06, Stoe & Cie GmbH, Darmstadt 1999.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.684
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2176
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.000
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.169
_refine_ls_extinction_coef       0.00038(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   0.934
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         5707
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.934
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0469P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0893
_refine_ls_wR_factor_ref         0.0968
_reflns_number_gt                4104
_reflns_number_total             5707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51130h.txt
_cod_data_source_block           Compound-4_Zn8Br16(18c6)2
_cod_original_cell_volume        2883.1(10)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7023274