Successive high-temperature phase transitions triggered dielectric switching in a one-dimensional hybrid perovskite with blue emission
Hua, Xiu-Ni; Cai, Zhuoer; Huang, Tian-Tian; Cui, Jing-Han; Shi, Xian; Zhang, Xiang; Zhang, Yinan; Chen, Jian; Xu, Kai; Duan, Hai-Bao; CrystEngComm 26 (2024) 3325–3330; doi:10.1039/D4CE00415A

data_7248754
_publ_section_title
;
 Successive high-temperature phase transitions triggered dielectric
 switching in a one-dimensional hybrid perovskite with blue emission
;
_journal_issue                   25
_journal_name_full               CrystEngComm
_journal_page_first              3325
_journal_page_last               3330
_journal_paper_doi               10.1039/D4CE00415A
_journal_volume                  26
_journal_year                    2024
_chemical_formula_moiety         'Cd Cl3, C7 H16 N'
_chemical_formula_sum            'C7 H16 Cd Cl3 N'
_chemical_formula_weight         332.96
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2023-11-15
_audit_creation_method
;FinalCif V128 by Daniel Kratzert, Freiburg 2023, 
https://dkratzert.de/finalcif.html
;
_audit_update_record
;
2024-04-13 deposited with the CCDC.	2024-05-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.592(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.229(2)
_cell_length_b                   6.6525(11)
_cell_length_c                   15.025(2)
_cell_measurement_reflns_used    4328
_cell_measurement_temperature    388.00
_cell_measurement_theta_max      26.386
_cell_measurement_theta_min      3.365
_cell_volume                     1188.1(3)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      388.00
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  Bruck
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0589
_diffrn_reflns_av_unetI/netI     0.0425
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9487
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.021
_diffrn_reflns_theta_max         25.021
_diffrn_reflns_theta_min         3.365
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    2.466
_exptl_absorpt_correction_T_max  0.0932
_exptl_absorpt_correction_T_min  0.0449
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1259 before and 0.0631 after correction.
The Ratio of minimum to maximum transmission is 0.4818.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.861
_exptl_crystal_description       block
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.401
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         2081
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0309
_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^)+(0.0307P)^2^+0.5386P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0739
_refine_ls_wR_factor_ref         0.0806
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1682
_reflns_number_total             2081
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4ce00415a2.cif
_cod_data_source_block           116hxn1388k_0m
_cod_depositor_comments
'Adding full bibliography for 7248752--7248755.cif.'
_cod_original_cell_volume        1188.1(4)
_cod_database_code               7248754
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H,H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1), C4(H4)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C2(H2A,H2B), C6(H6A,H6B), C3(H3A,H3B)
2.c Idealised Me refined as rotating group:
 N1(H1A,H1B,H1C), C7(H7A,H7B,H7C)
;
_olex2_submission_special_instructions 'No special instructions were received'
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.791
_shelx_estimated_absorpt_t_max   0.866
_shelx_res_checksum              20437
_shelx_hkl_checksum              46473