Revisiting a (001)-oriented layered lead chloride templated by 1,2,4-triazolium: structural phase transitions, lattice dynamics and broadband photoluminescence.
Mączka, Mirosław; Sobczak, Szymon; Ptak, Maciej; Smółka, Szymon; Fedoruk, Katarzyna; Dybała, Filip; Herman, Artur P.; Paraguassu, Waldeci; Zaręba, Jan K; Kudrawiec, Robert; Sieradzki, Adam; Katrusiak, Andrzej; Dalton transactions (Cambridge, England : 2003) 53 (2024) 6906–6919; doi:10.1039/d4dt00406j

data_7715597
_publ_section_title
;
 Revisiting a (001)-oriented layered lead chloride templated by
 1,2,4-triazolium: structural phase transitions, lattice dynamics and
 broadband photoluminescence.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6906
_journal_page_last               6919
_journal_paper_doi               10.1039/d4dt00406j
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'Cl4 Pb, 2(C2 H4 N3)'
_chemical_formula_sum            'C4 H8 Cl4 N6 Pb'
_chemical_formula_weight         489.15
_chemical_name_systematic        Tz2PbCl4
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2023-12-15
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2024-03-04 deposited with the CCDC.	2024-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.036(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.4566(15)
_cell_length_b                   8.3029(3)
_cell_length_c                   7.4446(3)
_cell_measurement_reflns_used    5622
_cell_measurement_temperature    220.00(10)
_cell_measurement_theta_max      28.6400
_cell_measurement_theta_min      3.6580
_cell_volume                     1326.27(12)
_computing_cell_refinement       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      220.15
_diffrn_detector_area_resol_mean 8.0772
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.892
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0417
_diffrn_reflns_av_unetI/netI     0.0335
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.892
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14514
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.892
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         29.054
_diffrn_reflns_theta_min         2.630
_exptl_absorpt_coefficient_mu    13.506
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.14354
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.49 (Rigaku Oxford Diffraction, 2022)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    2.450
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.796
_refine_diff_density_min         -2.283
_refine_diff_density_rms         0.189
_refine_ls_extinction_coef       0.0129(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     77
_refine_ls_number_reflns         3145
_refine_ls_number_restraints     61
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0402
_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^)+(0.0360P)^2^+4.0888P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0931
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2441
_reflns_number_total             3158
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt00406j2.cif
_cod_data_source_block           triag2pbcl4_08_220_00
_cod_depositor_comments
'Adding full bibliography for 7715584--7715597.cif.'
_cod_database_code               7715597
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.294
_shelx_estimated_absorpt_t_min   0.049
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
2. Restrained distances
 N3A-N2A \\sim N3B-N2B
 with sigma of 0.02
 N3B-C2B \\sim N3A-C2A
 with sigma of 0.02
 N2A-C1A \\sim N2B-C1B
 with sigma of 0.02
 N1B-C1B \\sim N1A-C1A
 with sigma of 0.02
 N1B-C2B \\sim N1A-C2A
 with sigma of 0.02
3. Rigid body (RIGU) restrains
 Cl2, Pb1, Cl1, Cl4, Cl3
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 N3B, N2B, C1B, C2B, N1B
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 N2B, C1B, N1B, N3B, C2B
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4. Others
 Fixed U11: N2A(0.064921) N1B(0.088372) N1A(0.07993) N2B(0.070382)
 C1A(0.07772) C1B(0.082748) N3A(0.074042) N3B(0.06014) C2A(0.065863)
 C2B(0.059547)
 Fixed U12: N2A(-0.003513) N1B(-0.00403) N1A(0.007169) N2B(-0.003555)
 C1A(0.012914) C1B(-0.010694) N3A(0.004549) N3B(-0.00287) C2A(-0.004224) C2B(-
 0.002761)
 Fixed U13: N2A(-0.008679) N1B(0.014691) N1A(-0.015731) N2B(0.006042) C1A(-
 0.000349) C1B(-0.006384) N3A(-0.025803) N3B(0.024063) C2A(-0.026637)
 C2B(0.026644)
 Fixed U22: N2A(0.02857) N1B(0.02152) N1A(0.01973) N2B(0.03038) C1A(0.03681)
 C1B(0.03949) N3A(0.02448) N3B(0.0257) C2A(0.02629) C2B(0.02592)
 Fixed U23: N2A(0.00493) N1B(-0.00062) N1A(0.00101) N2B(0.00785) C1A(0.00953)
 C1B(0.00593) N3A(0.00158) N3B(0.00033) C2A(0.00633) C2B(0.0021)
 Fixed U33: N2A(0.0617) N1B(0.06141) N1A(0.06483) N2B(0.05999) C1A(0.06243)
 C1B(0.05435) N3A(0.10023) N3B(0.10598) C2A(0.10624) C2B(0.10568)
5.a Aromatic/amide H refined with riding coordinates:
 N2A(H2A), N1B(H1B), N1A(H1A), N2B(H2B), C1A(H1AA), C1B(H1BA), C2A(H2AA),
 C2B(H2BA)
;
_shelx_res_checksum              47646
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;