Perovskites with a Twist: Strong In1+ Off-Centering in the Mixed-Valent CsInX3 (X = Cl, Br)
McCall, Kyle M.; Friedrich, Daniel; Chica, Daniel G.; Cai, Weizhao; Stoumpos, Constantinos C.; Alexander, Grant C. B.; Deemyad, Shanti; Wessels, Bruce W.; Kanatzidis, Mercouri G.; Chemistry of Materials  (2019) –; doi:10.1021/acs.chemmater.9b04095

data_4003086
_publ_section_title
;
 Perovskites with a Twist: Strong In1+ Off-Centering in the Mixed-Valent
 CsInX3 (X = Cl, Br)
;
_journal_name_full               'Chemistry of Materials'
_journal_paper_doi               10.1021/acs.chemmater.9b04095
_journal_year                    2019
_chemical_formula_moiety         CsInCl3
_chemical_formula_sum            'Cl3 Cs In'
_chemical_formula_weight         354.08
_chemical_name_common            Cesium_Indium_Chloride
_space_group_crystal_system      tetragonal
_space_group_IT_number           87
_space_group_name_Hall           '-I 4'
_space_group_name_H-M_alt        'I 4/m'
_audit_creation_date             2019-05-06
_audit_creation_method
;
Olex2 1.2
(compiled May 18 2018 14:05:52 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            20
_cell_length_a                   17.0057(3)
_cell_length_b                   17.0057(3)
_cell_length_c                   11.0266(3)
_cell_measurement_reflns_used    20955
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      35.3160
_cell_measurement_theta_min      2.1120
_cell_volume                     3188.82(12)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      300(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Kappa APEX CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Quazar optics'
_diffrn_radiation_source         microsource
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0333
_diffrn_reflns_av_unetI/netI     0.0086
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            27486
_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         26.362
_diffrn_reflns_theta_min         1.693
_exptl_absorpt_coefficient_mu    10.439
_exptl_absorpt_correction_T_max  0.447
_exptl_absorpt_correction_T_min  0.329
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Analytical numeric absorption correction using a multifaceted crystal
			model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    3.688
_exptl_crystal_description       block
_exptl_crystal_F_000             3100
_exptl_crystal_size_max          0.162
_exptl_crystal_size_mid          0.131
_exptl_crystal_size_min          0.103
_refine_diff_density_max         1.531
_refine_diff_density_min         -1.219
_refine_diff_density_rms         0.153
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.145
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     71
_refine_ls_number_reflns         1734
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0316
_refine_ls_R_factor_gt           0.0287
_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^)+(0.0362P)^2^+13.9572P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0750
_refine_ls_wR_factor_ref         0.0768
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1572
_reflns_number_total             1734
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cm9b04095_si_002.cif
_cod_data_source_block           new
_cod_original_cell_volume        3188.82(14)
_cod_database_code               4003086
_shelx_shelxl_version_number     2018/1
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.423(3)
 0.577(3)
;
_shelx_res_checksum              15604
_shelx_hkl_checksum              79736
_olex2_submission_special_instructions 'No special instructions were received'