Distinct room-temperature dielectric transition in a perchlorate-based organic-inorganic hybrid perovskite
Sun, Yu-Ling; Shi, Chao; Zhang, Wen; Dalton Transactions  (2017) –; doi:10.1039/C7DT03798H

data_7044704
_publ_section_title
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 Distinct room-temperature dielectric transition in a perchlorate-based
 organic-inorganic hybrid perovskite
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/C7DT03798H
_journal_year                    2017
_chemical_formula_moiety         'Cl3 K O12, C5 H14 N2'
_chemical_formula_sum            'C5 H14 Cl3 K N2 O12'
_chemical_formula_weight         439.63
_space_group_crystal_system      orthorhombic
_space_group_IT_number           57
_space_group_name_Hall           '-P 2c 2b'
_space_group_name_H-M_alt        'P b c m'
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-10-31 deposited with the CCDC.
2017-11-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_measurement_temperature    293(2)
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_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Mercury CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0743
_diffrn_reflns_av_unetI/netI     0.0472
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
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_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            10356
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.440
_diffrn_reflns_theta_min         1.906
_exptl_absorpt_coefficient_mu    0.951
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5917
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku, 2005)'
_exptl_crystal_colour            Colorless
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_exptl_crystal_description       Prism
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_refine_ls_R_factor_all          0.1254
_refine_ls_R_factor_gt           0.0896
_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^)+(0.1180P)^2^+1.5084P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2411
_refine_ls_wR_factor_ref         0.2758
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1273
_reflns_number_total             1793
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt03798h2.cif
_cod_data_source_block           1-328K
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7044704
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              88740