A paraelectric-ferroelectric phase transition of an organically templated zinc oxalate coordination polymer.
Pasińska, K; Piecha-Bisiorek, A; Kinzhybalo, V.; Ciżman, A; Gągor, A; Pietraszko, A.; Dalton transactions (Cambridge, England : 2003) 47 (2018) 11308–11312; doi:10.1039/c8dt02859a

data_7047097
_publ_section_title
;
 A paraelectric-ferroelectric phase transition of an organically templated
 zinc oxalate coordination polymer.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11308
_journal_page_last               11312
_journal_paper_doi               10.1039/c8dt02859a
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C4 O8 Zn, C6 H14 N2, 3(H2 O)'
_chemical_formula_sum            'C10 H20 N2 O11 Zn'
_chemical_formula_weight         409.65
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-10-27 deposited with the CCDC.
2018-07-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.43(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.426(3)
_cell_length_b                   16.810(5)
_cell_length_c                   9.785(3)
_cell_measurement_reflns_used    4695
_cell_measurement_temperature    260(2)
_cell_measurement_theta_max      28.1290
_cell_measurement_theta_min      2.4560
_cell_volume                     1550.0(8)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      260(2)
_diffrn_detector_area_resol_mean 10.6249
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Xcalibur, Atlas'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0315
_diffrn_reflns_av_unetI/netI     0.0356
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11758
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.997
_diffrn_reflns_theta_max         25.997
_diffrn_reflns_theta_min         2.409
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.648
_exptl_absorpt_correction_T_max  0.838
_exptl_absorpt_correction_T_min  0.712
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.755
_exptl_crystal_description       'needle '
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.281
_exptl_crystal_size_mid          0.179
_exptl_crystal_size_min          0.133
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.483
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3043
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0482
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0320P)^2^+0.7650P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0725
_refine_ls_wR_factor_ref         0.0774
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2470
_reflns_number_total             3043
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt02859a2.cif
_cod_data_source_block           DZnOH_260K
_cod_depositor_comments
'Adding full bibliography for 7047095--7047114.cif.'
_cod_database_code               7047097
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              69055