A high-temperature supramolecular-based switchable dielectric material with electrical bistability between high and low dielectric states
Chen, Cheng; Wang, Fang-Fang; Zhang, Yi; Ye, Qiong; Ye, Heng-Yun; Fu, Da-Wei; CrystEngComm 17 (2015) 2479–; doi:10.1039/C4CE02028F

data_7219544
_publ_section_title
;
 A high-temperature supramolecular-based switchable dielectric material
 with electrical bistability between high and low dielectric states
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              2479
_journal_paper_doi               10.1039/C4CE02028F
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C21 H46 Cl2 N2 O14.50'
_chemical_formula_sum            'C21 H46 Cl2 N2 O14.5'
_chemical_formula_weight         629.50
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-02-07 deposited with the CCDC.
2015-02-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.53(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.432(13)
_cell_length_b                   11.734(14)
_cell_length_c                   13.639(16)
_cell_measurement_reflns_used    1911
_cell_measurement_temperature    368(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.74
_cell_volume                     1583(3)
_computing_cell_refinement       '<i>CrystalClear</i>  (Rigaku, 2005)'
_computing_data_collection       '<i>CrystalClear</i> (Rigaku, 2005)'
_computing_data_reduction        '<i>CrystalClear</i> (Rigaku, 2005)'
_computing_molecular_graphics    '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_publication_material  '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    '<i>SHELXS-97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      368(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Mercury2 (2x2 bin mode)'
_diffrn_measurement_method       'CCD profile fitting'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0465
_diffrn_reflns_av_unetI/netI     0.0460
_diffrn_reflns_Laue_measured_fraction_full 0.976
_diffrn_reflns_Laue_measured_fraction_max 0.976
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9517
_diffrn_reflns_point_group_measured_fraction_full 0.976
_diffrn_reflns_point_group_measured_fraction_max 0.976
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         1.575
_exptl_absorpt_coefficient_mu    0.270
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.910
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.567
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         2868
_refine_ls_number_restraints     65
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.1254
_refine_ls_R_factor_gt           0.0894
_refine_ls_shift/su_max          0.03
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1070P)^2^+2.7022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2177
_refine_ls_wR_factor_ref         0.2532
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1919
_reflns_number_total             2868
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4ce02028f2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7219543--7219544.cif.'
_cod_original_formula_sum        'C21 H46 Cl2 N2 O14.50'
_cod_database_code               7219544
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              72579