A 3D metal-organic framework with a pcu net constructed from lead(II) and thiophene-2, 5-dicarboxylic acid: Synthesis, structure and ferroelectric property
Lin, Jian-Di; Rong, Cheng; Lv, Ri-Xin; Wang, Zu-Jian; Long, Xi-Fa; Guo, Guo-Cong; Pan, Chun-Yang; Journal of Solid State Chemistry 257 (2018) 34–39; doi:10.1016/j.jssc.2017.09.001

data_1561314
_publ_section_title
;
 A 3D metal-organic framework with a pcu net constructed from lead(II) and
 thiophene-2, 5-dicarboxylic acid: Synthesis, structure and ferroelectric
 property
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              34
_journal_page_last               39
_journal_paper_doi               10.1016/j.jssc.2017.09.001
_journal_volume                  257
_journal_year                    2018
_chemical_formula_moiety         'C6 H2 O4 Pb S'
_chemical_formula_sum            'C6 H2 O4 Pb S'
_chemical_formula_weight         377.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           26
_space_group_name_Hall           'P 2c -2'
_space_group_name_H-M_alt        'P m c 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_update_record
;
????
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.990(5)
_cell_length_b                   5.6720(15)
_cell_length_c                   6.8519(17)
_cell_measurement_reflns_used    2016
_cell_measurement_temperature    293.1500
_cell_measurement_theta_max      27.4895
_cell_measurement_theta_min      2.9730
_cell_volume                     699.2(3)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      293.1500
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_details
;
scan:
	Number of images: 360
	           Slice: -62.0000 - 118.0000
	     Image width: 0.5000
	        Exp time: 10.0000
	   Rotation axis: Omega
	           Omega: 0.0000
	             Chi: 45.0000
	             Phi: 180.0000
	             XTD: 50.2908
	          2theta: 27.7862
scan:
	Number of images: 280
	           Slice: -62.0000 - 78.0000
	     Image width: 0.5000
	        Exp time: 10.0000
	   Rotation axis: Omega
	           Omega: 0.0000
	             Chi: 45.0000
	             Phi: 90.0000
	             XTD: 50.2908
	          2theta: 27.7862
scan:
	Number of images: 160
	           Slice: -62.0000 - 18.0000
	     Image width: 0.5000
	        Exp time: 10.0000
	   Rotation axis: Omega
	           Omega: 0.0000
	             Chi: 45.0000
	             Phi: 0.0000
	             XTD: 50.2908
	          2theta: 27.7862
;
_diffrn_measurement_device
;
Mercury70 (2x2 bin mode)
;
_diffrn_measurement_device_details
;
AFC8: Eulerian 3 circle
;
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_orient_matrix_type       d*Trek
_diffrn_orient_matrix_UB_11      0.0924
_diffrn_orient_matrix_UB_12      0.1319
_diffrn_orient_matrix_UB_13      -0.0717
_diffrn_orient_matrix_UB_21      -0.1222
_diffrn_orient_matrix_UB_22      0.0536
_diffrn_orient_matrix_UB_23      -0.0591
_diffrn_orient_matrix_UB_31      -0.0085
_diffrn_orient_matrix_UB_32      0.0307
_diffrn_orient_matrix_UB_33      0.0455
_diffrn_radiation_detector       CCD
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0571
_diffrn_reflns_av_unetI/netI     0.0503
_diffrn_reflns_Laue_measured_fraction_full 0.961
_diffrn_reflns_Laue_measured_fraction_max 0.959
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            4276
_diffrn_reflns_point_group_measured_fraction_full 0.959
_diffrn_reflns_point_group_measured_fraction_max 0.957
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.487
_diffrn_reflns_theta_min         3.397
_diffrn_source                   'Sealed Tube'
_diffrn_source_current           80.0000
_diffrn_source_power             4.0000
_diffrn_source_voltage           50.0000
_exptl_absorpt_coefficient_mu    24.391
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4252
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    3.585
_exptl_crystal_description       Prism
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.15
_refine_diff_density_max         4.451
_refine_diff_density_min         -3.908
_refine_diff_density_rms         0.432
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.49(3)
_refine_ls_extinction_coef       0.0022(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         1264
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0495
_refine_ls_R_factor_gt           0.0471
_refine_ls_shift/su_max          0.186
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0663P)^2^+21.2137P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1187
_refine_ls_wR_factor_ref         0.1228
_reflns_Friedel_coverage         0.821
_reflns_Friedel_fraction_full    0.956
_reflns_Friedel_fraction_max     0.954
_reflns_number_gt                1173
_reflns_number_total             1264
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            JSSC-2018-257-34.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the built-in table derived
from the CIF Core dictionary named 'cif_core.dic' version 2.4.5 last
updated on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 8369 2020-08-20 11:38:08Z andrius 
;
_cod_database_code               1561314
_diffrn_number_total             948
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.51(3)
 0.49(3)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
3. Restrained distances
 C23-C22
 1.5 with sigma of 0.02
 C12-C11
 1.45 with sigma of 0.02
 O11-C11 = O12-C11
 1.2 with sigma of 0.02
 O22-C21 = O21-C21
 1.2 with sigma of 0.02
 C13-H13
 0.93 with sigma of 0.02
4. Uiso/Uaniso restraints and constraints
Uanis(S11) \\sim Ueq, Uanis(O11) \\sim Ueq, Uanis(O12) \\sim Ueq, Uanis(C11)
\\sim Ueq, Uanis(C13) \\sim Ueq, Uanis(C23) \\sim Ueq, Uanis(C21) \\sim Ueq,
Uanis(C22) \\sim Ueq, Uanis(C12) \\sim Ueq: with sigma of 0.001 and sigma for
terminal atoms of 0.0005
5.a Aromatic/amide H refined with riding coordinates:
 C23(H23)
;
_shelx_res_checksum              18285
_shelx_hkl_checksum              17674