Solid State Molecular Dynamic Investigation of An Inclusion Ferroelectric: [(2,6-Diisopropylanilinium)([18]crown-6)]BF4.
Ye, Heng-Yun; Li, Shen-Hui; Zhang, Yi; Zhou, Lei; Deng, Feng; Xiong, Ren-Gen; Journal of the American Chemical Society 136 (2014) 10033–10040; doi:10.1021/ja503344b

data_4122142
_publ_section_title
;
 Solid State Molecular Dynamic Investigation of An Inclusion
 Ferroelectric: [(2,6-Diisopropylanilinium)([18]crown-6)]BF4.
;
_journal_issue                   28
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10033
_journal_page_last               10040
_journal_paper_doi               10.1021/ja503344b
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C24 H44 B F4 N O6'
_chemical_formula_weight         529.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.868(5)
_cell_length_b                   17.468(5)
_cell_length_c                   18.823(5)
_cell_measurement_reflns_used    12726
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.5087
_cell_measurement_theta_min      3.1826
_cell_volume                     5546(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0572
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            38662
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8832
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.500
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     331
_refine_ls_number_reflns         6316
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0986
_refine_ls_R_factor_gt           0.0777
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0593P)^2^+3.4253P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1651
_refine_ls_wR_factor_ref         0.1763
_reflns_number_gt                5098
_reflns_number_total             6316
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja503344b_si_003.cif
_cod_data_source_block           193K
_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/ACS/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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4122142--4122144.cif.
;
_cod_original_sg_symbol_H-M      ' P b c n  '
_cod_database_code               4122142