Crystal structure of 2-(4-fluorophenyl)-1,3-dimethyl-1H-perimidin-3-ium iodide, C19H16ClIN2
Li, Zhong-Yan; Yuan, Lin; Yuan, Xian-You; Zhang, Min; Zeitschrift für Kristallographie - New Crystal Structures 232 (2017) 821–822; doi:10.1515/ncrs-2017-0062

data_8106690
_publ_section_title
;
 Crystal structure of 2-(4-fluorophenyl)-1,3-dimethyl-1H-perimidin-3-ium
 iodide, C19H16ClIN2
;
_journal_issue                   5
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              821
_journal_page_last               822
_journal_paper_doi               10.1515/ncrs-2017-0062
_journal_volume                  232
_journal_year                    2017
_chemical_formula_moiety         'I, C19 H16 Cl N2'
_chemical_formula_sum            'C19 H16 Cl I N2'
_chemical_formula_weight         434.69
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 93.230(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3359(11)
_cell_length_b                   18.424(3)
_cell_length_c                   12.8968(19)
_cell_measurement_reflns_used    9931
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      2.72
_cell_volume                     1740.3(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_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  'XL (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0158
_diffrn_reflns_av_unetI/netI     0.0098
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            16222
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.93
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.994
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5181
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1039 before and 0.0305 after correction.
The Ratio of minimum to maximum transmission is 0.6949.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.659
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.657
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3066
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0231
_refine_ls_R_factor_gt           0.0213
_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^)+(0.0271P)^2^+1.1303P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0544
_refine_ls_wR_factor_ref         0.0562
_reflns_number_gt                2859
_reflns_number_total             3066
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2017-0062_suppl.cif
_cod_data_source_block           1
_cod_original_cell_volume        1740.3(4)
_cod_database_code               8106690
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C16(H16), C15(H15), C18(H18), C19(H19), C7(H7), C5(H5), C3(H3), C9(H9),
 C4(H4), C8(H8)
2.b Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C11(H11A,H11B,H11C)
;
_olex2_submission_special_instructions 'No special instructions were received'