Orientational ordering of guests induced structural phase transition coupled with switchable dielectric property in a host-guest crystal: bis(Thiourea) thiazolium chloride
Liu, Yu-Ling; Wang, Zhongxia; Han, Xiang-Bin; Sun, Yu-Ling; Pryor, Donald E.; RSC Adv.  (2016) –; doi:10.1039/C6RA23952H

data_7227032
_publ_section_title
;
 Orientational ordering of guests induced structural phase transition
 coupled with switchable dielectric property in a host-guest crystal:
 bis(Thiourea) thiazolium chloride
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA23952H
_journal_year                    2016
_chemical_formula_moiety         'C8 H12 N4 S4, 8(C H4 N2 S), 4(Cl), 4(C H)'
_chemical_formula_sum            'C20 H48 Cl4 N20 S12'
_chemical_formula_weight         1095.30
_space_group_crystal_system      orthorhombic
_space_group_IT_number           63
_space_group_name_Hall           '-C 2c 2'
_space_group_name_H-M_alt        'C m c m'
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c m'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-03-17 deposited with the CCDC.
2016-11-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   14.430(9)
_cell_length_b                   10.330(9)
_cell_length_c                   8.417(7)
_cell_measurement_reflns_used    1767
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      27.4198
_cell_measurement_theta_min      3.4254
_cell_volume                     1254.7(17)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Saturn724+ (4x4 bin mode)'
_diffrn_measurement_method       CCD_Profile_fitting
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0347
_diffrn_reflns_av_unetI/netI     0.0219
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4412
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.415
_diffrn_reflns_theta_min         3.427
_exptl_absorpt_coefficient_mu    0.777
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9300
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;   Higashi, T.(1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan. 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.450
_exptl_crystal_description       needlelike
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         1.003
_refine_diff_density_min         -0.889
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     60
_refine_ls_number_reflns         794
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.0728
_refine_ls_R_factor_gt           0.0644
_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^)+(0.1094P)^2^+3.0346P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1861
_refine_ls_wR_factor_ref         0.1945
_reflns_Friedel_coverage         0.000
_reflns_number_gt                682
_reflns_number_total             794
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ra23952h2.cif
_cod_data_source_block           273K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_cell_volume        1254.6(17)
_cod_database_code               7227032
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              46575