Synthon trends according to acid strength and geometry in salts of N-heterocyclic bases
Valdo, Ana Karoline Silva Medanha; Sarotti, Ariel Marcelo; Martins, Felipe Terra; CrystEngComm  (2017) –; doi:10.1039/C7CE01490B

data_7229184
_publ_section_title
;
 Synthon trends according to acid strength and geometry in salts of
 N-heterocyclic bases
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C7CE01490B
_journal_year                    2017
_chemical_formula_sum            'C6 H6 F3 N3 O2'
_chemical_formula_weight         209.14
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-08-14 deposited with the CCDC.
2017-09-18 downloaded from the CCDC.
;
_cell_angle_alpha                78.86(2)
_cell_angle_beta                 69.57(3)
_cell_angle_gamma                72.29(4)
_cell_formula_units_Z            4
_cell_length_a                   8.778(8)
_cell_length_b                   10.165(9)
_cell_length_c                   10.918(9)
_cell_measurement_reflns_used    558
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.57
_cell_measurement_theta_min      2.56
_cell_volume                     865.5(13)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.965
_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  0.0599
_diffrn_reflns_av_unetI/netI     0.0863
_diffrn_reflns_Laue_measured_fraction_full 0.969
_diffrn_reflns_Laue_measured_fraction_max 0.965
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5968
_diffrn_reflns_point_group_measured_fraction_full 0.969
_diffrn_reflns_point_group_measured_fraction_max 0.965
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.039
_diffrn_reflns_theta_min         2.000
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.162
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.792
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Blessing, R. H. (1995) Acta Cryst., A51, 33-38'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.605
_exptl_crystal_description       plate
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         2963
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.1914
_refine_ls_R_factor_gt           0.0804
_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^)+(0.1066P)^2^+0.5136P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2085
_refine_ls_wR_factor_ref         0.2692
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1193
_reflns_number_total             2963
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce01490b2.cif
_cod_data_source_block           A4
_cod_database_code               7229184
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              34344