Uniaxial Expansion of the 2D Ruddlesden-Popper Perovskite Family for Improved Environmental Stability.
Spanopoulos, Ioannis; Hadar, Ido; Ke, Weijun; Tu, Qing; Chen, Michelle; Tsai, Hsinhan; He, Yihui; Shekhawat, Gajendra; Dravid, Vinayak P.; Wasielewski, Michael R.; Mohite, Aditya D.; Stoumpos, Constantinos C.; Kanatzidis, Mercouri G.; Journal of the American Chemical Society 141 (2019) 5518–5534; doi:10.1021/jacs.9b01327

data_4128391
_publ_section_title
;
 Uniaxial Expansion of the 2D Ruddlesden-Popper Perovskite Family for
 Improved Environmental Stability.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5518
_journal_page_last               5534
_journal_paper_doi               10.1021/jacs.9b01327
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         (CH3(CH2)5NH3)2(CH3NH3)Pb2I7
_chemical_formula_sum            'C13 H38 I7 N3 Pb2'
_chemical_formula_weight         1539.2
_chemical_name_common            'Hexylammonium Methylammonium Lead iodide'
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 98.2088(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   45.3552(8)
_cell_length_b                   8.9209(2)
_cell_length_c                   8.8062(2)
_cell_measurement_reflns_used    7032
_cell_measurement_temperature    293
_cell_measurement_theta_max      61.819
_cell_measurement_theta_min      6.438
_cell_volume                     3526.56(13)
_computing_cell_refinement       'SAINT V8.34A (Bruker, 2017)'
_computing_data_collection       'APEX2 V2017.3 (Bruker, 2017)'
_computing_data_reduction        'Bruker SAINT'
_diffrn_ambient_temperature      293
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.98
_diffrn_measured_fraction_theta_max 0.84
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker Kappa APEX CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'MX optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         microsource
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_unetI/netI     0.0534
_diffrn_reflns_limit_h_max       63
_diffrn_reflns_limit_h_min       -64
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14544
_diffrn_reflns_theta_full        29.66
_diffrn_reflns_theta_max         31.99
_diffrn_reflns_theta_min         3.22
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    15.669
_exptl_absorpt_correction_T_max  0.7463
_exptl_absorpt_correction_T_min  0.4995
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scale APEX3'
_exptl_crystal_density_diffrn    2.899
_exptl_crystal_description       'red plate'
_exptl_crystal_F_000             2688
_exptl_crystal_size_max          0.153
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.014
_refine_diff_density_max         1.63
_refine_diff_density_min         -1.02
_refine_ls_abs_structure_details
'  3387 of Friedel pairs used in the refinement'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_gt    1.73
_refine_ls_goodness_of_fit_ref   1.63
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_constraints    167
_refine_ls_number_parameters     134
_refine_ls_number_reflns         8556
_refine_ls_number_restraints     23
_refine_ls_R_factor_all          0.0579
_refine_ls_R_factor_gt           0.0443
_refine_ls_shift/su_max          0.0476
_refine_ls_shift/su_mean         0.0026
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     w=1/(\s^2^(I)+0.0004I^2^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.1172
_refine_ls_wR_factor_ref         0.1242
_reflns_number_gt                6754
_reflns_number_total             8556
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja9b01327_si_004.cif
_cod_data_source_block           C6N2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4128391