Anion Driven [CuIIL2]nFrameworks: Crystal Structures, Guest-Encapsulation, Dielectric, and Possible Ferroelectric Properties
Srivastava, Anant Kumar; Praveenkumar, B.; Mahawar, Indra Kumar; Divya, Pillutla; Shalini, S.; Boomishankar, Ramamoorthy; Chemistry of Materials 26 (2014) 3811–; doi:10.1021/cm5014575

data_4001994
_publ_section_title
;
 Anion Driven [CuIIL2]nFrameworks: Crystal Structures,
 Guest-Encapsulation, Dielectric, and Possible Ferroelectric Properties
;
_journal_issue                   12
_journal_name_full               'Chemistry of Materials'
_journal_page_first              3811
_journal_paper_doi               10.1021/cm5014575
_journal_volume                  26
_journal_year                    2014
_chemical_formula_sum            'C96 H118 Cl5 Cu3 N25 O43 P6'
_chemical_formula_weight         2863.84
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      trigonal
_space_group_IT_number           146
_space_group_name_Hall           'R 3'
_space_group_name_H-M_alt        'R 3 :H'
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   20.3990(18)
_cell_length_b                   20.3990(18)
_cell_length_c                   24.969(2)
_cell_measurement_reflns_used    3361
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      21.54
_cell_measurement_theta_min      2.45
_cell_volume                     8998.1(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0837
_diffrn_reflns_av_unetI/netI     0.1022
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            30048
_diffrn_reflns_point_group_measured_fraction_full 0.955
_diffrn_reflns_point_group_measured_fraction_max 0.939
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.264
_diffrn_reflns_theta_min         4.239
_exptl_absorpt_coefficient_mu    0.815
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6754
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.586
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4425
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.809
_refine_diff_density_min         -0.886
_refine_diff_density_rms         0.090
_refine_ls_abs_structure_details
;
 Flack x determined using 2235 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.030(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         9311
_refine_ls_number_restraints     35
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.1007
_refine_ls_R_factor_gt           0.0607
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0784P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1339
_refine_ls_wR_factor_ref         0.1543
_reflns_Friedel_coverage         0.884
_reflns_Friedel_fraction_full    0.915
_reflns_Friedel_fraction_max     0.881
_reflns_number_gt                6463
_reflns_number_total             9311
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            compound_1a.cif
_cod_data_source_block           compound_1a
_cod_depositor_comments
'Adding full bibliography for 4001992--4001997.cif.'
_cod_original_cell_volume        8997.9(18)
_cod_database_code               4001994
_shelxl_version_number           2013-3
_shelx_res_checksum              54665
_shelx_hkl_checksum              18968