Molecular motion, dielectric response, and phase transition of charge-transfer crystals: acquired dynamic and dielectric properties of polar molecules in crystals.
Harada, Jun; Ohtani, Masaki; Takahashi, Yukihiro; Inabe, Tamotsu; Journal of the American Chemical Society 137 (2015) 4477–4486; doi:10.1021/jacs.5b00412

data_4129310
_publ_section_title
;
 Molecular motion, dielectric response, and phase transition of
 charge-transfer crystals: acquired dynamic and dielectric properties of
 polar molecules in crystals.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4477
_journal_page_last               4486
_journal_paper_doi               10.1021/jacs.5b00412
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'Br4 C8 O3, C12 H18'
_chemical_formula_sum            'C20 H18 Br4 O3'
_chemical_formula_weight         625.98
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2014-12-18
_audit_creation_method
;
Olex2 1.2
(compiled 2014.11.28 svn.r3106 for OlexSys, GUI svn.r4959)
;
_cell_angle_alpha                90
_cell_angle_beta                 118.5970(11)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.1304(8)
_cell_length_b                   13.7261(12)
_cell_length_c                   9.4089(8)
_cell_measurement_reflns_used    7045
_cell_measurement_temperature    300
_cell_measurement_theta_max      27.422
_cell_measurement_theta_min      2.466
_cell_volume                     1035.32(16)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'Bruker APEX2 2014.1-1 (Bruker, 2014)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2008)'
_diffrn_ambient_temperature      300
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0260
_diffrn_reflns_av_unetI/netI     0.0165
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            15274
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.422
_diffrn_reflns_theta_min         2.465
_diffrn_source                   'rotating-anode X-ray tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.793
_exptl_absorpt_correction_T_max  0.5166
_exptl_absorpt_correction_T_min  0.2971
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/2 (Bruker,2014/2) was used for absorption correction. wR2(int) was 0.0994 before and 0.0331 after correction. The Ratio of minimum to maximum transmission is 0.5751. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.008
_exptl_crystal_description       block
_exptl_crystal_F_000             604
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.611
_refine_diff_density_min         -0.706
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     148
_refine_ls_number_reflns         2464
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0264
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0306P)^2^+0.8461P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0624
_refine_ls_wR_factor_ref         0.0651
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2147
_reflns_number_total             2464
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b00412_si_002.cif
_cod_data_source_block           HMB_TBPA_300K
_cod_database_code               4129310
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.746
_shelx_estimated_absorpt_t_min   0.279
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H,H,H,H) groups
2. Others
 Fixed Sof: H9A(0.5) H9B(0.5) H9C(0.5) H9D(0.5) H9E(0.5) H9F(0.5) H10A(0.5)
 H10B(0.5) H10C(0.5) H10D(0.5) H10E(0.5) H10F(0.5) H11A(0.5) H11B(0.5)
 H11C(0.5) H11D(0.5) H11E(0.5) H11F(0.5)
3.a Disordered Me refined as rotating group:
 C9(H9A,H9B,H9C,H9D,H9E,H9F), C10(H10A,H10B,H10C,H10D,H10E,H10F), C11(H11A,
 H11B,H11C,H11D,H11E,H11F)
;
_shelx_res_checksum              30002
_shelx_hkl_checksum              79447
_olex2_submission_special_instructions 'No special instructions were received'