Structures and phase transitions in molecular complexes containing tetrafluoroboric acid and tetramethylpyrazine
Rok, M.; Szklarz, P.; Bator, G.; CrystEngComm 20 (2018) 5772–; doi:10.1039/C8CE01231H

data_7237071
_publ_section_title
;
 Structures and phase transitions in molecular complexes containing
 tetrafluoroboric acid and tetramethylpyrazine
;
_journal_issue                   38
_journal_name_full               CrystEngComm
_journal_page_first              5772
_journal_paper_doi               10.1039/C8CE01231H
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C8 H14 B2 F8 N2'
_chemical_formula_weight         311.83
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2018-07-17 deposited with the CCDC.
2018-08-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_c                   12.575(5)
_cell_measurement_reflns_used    9642
_cell_measurement_temperature    150(2)
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_cell_measurement_theta_min      3.2336
_cell_volume                     1302.4(8)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.3359
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Xcalibur, Sapphire2, large Be window'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0417
_diffrn_reflns_av_unetI/netI     0.0187
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.974
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
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_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         36.863
_diffrn_reflns_theta_min         3.240
_exptl_absorpt_coefficient_mu    0.174
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
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_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.470
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_exptl_crystal_size_min          0.190
_refine_diff_density_max         0.517
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_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0884P)^2^+0.3099P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1595
_refine_ls_wR_factor_ref         0.1745
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2487
_reflns_number_total             3199
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce01231h1.cif
_cod_data_source_block           bf4_150
_cod_database_code               7237071
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.923
_shelx_estimated_absorpt_t_max   0.968
_shelx_res_checksum              20916