Reliably obtaining white light from layered halide perovskites at room temperature
Crace, Ethan; Su, Alexander; Karunadasa, Hemamala I.; Chemical Science  (2022) –; doi:10.1039/D2SC02381D

data_1567412
_publ_section_title
;
 Reliably obtaining white light from layered halide perovskites at room
 temperature
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC02381D
_journal_year                    2022
_chemical_formula_moiety         'Cl4 Pb, 1(C4 H9 N3)'
_chemical_formula_sum            'C4 H9 Cl4 N3 Pb'
_chemical_formula_weight         448.13
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-04-01
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2022-04-27 deposited with the CCDC.	2022-08-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.7175(5)
_cell_length_b                   8.1812(2)
_cell_length_c                   17.2809(6)
_cell_measurement_reflns_used    7701
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.15
_cell_measurement_theta_min      2.36
_cell_volume                     2222.12(12)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.15
_diffrn_detector                 'Bruker Photon II'
_diffrn_detector_area_resol_mean 7.3910
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'D8 Venture'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0700
_diffrn_reflns_av_unetI/netI     0.0222
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            43232
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.103
_diffrn_reflns_theta_min         2.592
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.101
_exptl_absorpt_correction_T_max  0.4311
_exptl_absorpt_correction_T_min  0.3327
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. 
wR2(int) was 0.0913 before and 0.0681 after correction. 
The Ratio of minimum to maximum transmission is 0.7717. 
The \l/2 correction factor is Not present.'
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    2.679
_exptl_crystal_description       plate
_exptl_crystal_F_000             1632
_exptl_crystal_preparation
;
 'Crystals were prepared by dissolving the precursors in concentrated HCl 
at room temperature and diffusing in isopropanol in a closed vessel 
over several days.'
;
_exptl_crystal_recrystallization_method
;
 'A mixture of large colorless plate-like crystals and colorless needles 
grew out of solution. The plates are the perovskite phase and the needles 
are another phase that sometimes grows from solution but not always.'
;
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.018
_refine_diff_density_max         0.559
_refine_diff_density_min         -1.131
_refine_diff_density_rms         0.151
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     144
_refine_ls_number_reflns         2456
_refine_ls_number_restraints     135
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0176
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0124P)^2^+3.6260P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0334
_refine_ls_wR_factor_ref         0.0390
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1825
_reflns_number_total             2456
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc02381d2.cif
_cod_data_source_block           sad1_a_CCDC1
_cod_database_code               1567412
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Restrained distances
 C2-C1
 1.35 with sigma of 0.02
 C6-C5
 1.35 with sigma of 0.02
 N5-C2 = N2-C6 = N4-C1 = N1-C5
 1.38 with sigma of 0.02
 N4-C2
 2.197 with sigma of 0.04
 N5-C1
 2.197 with sigma of 0.04
 N2-C5
 2.197 with sigma of 0.04
 N1-C6
 2.197 with sigma of 0.04
 N3-C8 \\sim N6-C4
 with sigma of 0.02
 C3-C4 \\sim C8-C7
 with sigma of 0.02
 N5-C3 \\sim N1-C7
 with sigma of 0.02
 N4-C3 \\sim N2-C7
 with sigma of 0.02
 N2-C6 \\sim N4-C1
 with sigma of 0.02
 N5-C2 \\sim N1-C5
 with sigma of 0.02
 C2-C1 \\sim C6-C5
 with sigma of 0.02
2. Restrained planarity
 N2, N1, C6, C7, C5
 with sigma of 0.1
 N4, N5, C3, C1, C2
 with sigma of 0.1
3. Rigid bond restraints
 N2, N1, N3, C6, C8, C7, C5
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 N4, N5, N6, C3, C1, C2, C4
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
4. Uiso/Uaniso restraints and constraints
N2 \\sim N1 \\sim N3 \\sim C6 \\sim C8 \\sim C7 \\sim C5: within 2A with sigma
of 0.04 and sigma for terminal atoms of 0.08 within 2A
N4 \\sim N5 \\sim N6 \\sim C3 \\sim C1 \\sim C2 \\sim C4: within 2A with sigma
of 0.04 and sigma for terminal atoms of 0.08 within 2A
Uanis(C7) = Uanis(C3)
Uanis(C6) = Uanis(C1)
Uanis(C2) = Uanis(C5)
Uanis(N2) = Uanis(N4)
Uanis(N5) = Uanis(N1)
5. Others
 Fixed Sof: N2(0.6667) H2(0.6667) N1(0.6667) H1(0.6667) N3(0.6667) H3A(0.6667)
 H3B(0.6667) H3C(0.6667) C6(0.6667) H6(0.6667) C8(0.6667) H8A(0.6667)
 H8B(0.6667) C7(0.6667) C5(0.6667) H5(0.6667) N4(0.3333) H4(0.3333) N5(0.3333)
 H5A(0.3333) N6(0.3333) H6A(0.3333) H6B(0.3333) H6C(0.3333) C3(0.3333)
 C1(0.3333) H1A(0.3333) C2(0.3333) H2A(0.3333) C4(0.3333) H4A(0.3333)
 H4B(0.3333)
6.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C4(H4A,H4B)
6.b Aromatic/amide H refined with riding coordinates:
 N2(H2), N1(H1), C6(H6), C5(H5), N4(H4), N5(H5A), C1(H1A), C2(H2A)
6.c Idealised Me refined as rotating group:
 N3(H3A,H3B,H3C), N6(H6A,H6B,H6C)
;
_shelx_res_checksum              57411
_olex2_exptl_crystal_mounting_method
;
 'Crystals were seperated from the mother liquor using paratone. 
  A plate-like crystal was selected and mounted on a kapton loop 
  using paratone to adhere the crystal.'
;
_olex2_submission_special_instructions 'No special instructions were received'