High-resolution structural study on pyridin-3-yl ebselen and its N-methylated tosylate and iodide derivatives.
Xu, Ruyi; Fellowes, Thomas; White, Jonathan M.; Acta crystallographica. Section C, Structural chemistry 79 (2023) 43–51; doi:10.1107/S2053229623000062

data_2312683
_publ_section_title
;
 High-resolution structural study on pyridin-3-yl ebselen and its
 N-methylated tosylate and iodide derivatives.
;
_journal_coeditor_code           QZ3002
_journal_issue                   'Pt 2'
_journal_name_full
'Acta crystallographica. Section C, Structural chemistry'
_journal_page_first              43
_journal_page_last               51
_journal_paper_doi               10.1107/S2053229623000062
_journal_volume                  79
_journal_year                    2023
_chemical_formula_iupac          'C13 H11 N2 O Se +, I -'
_chemical_formula_moiety         'C13 H11 N2 O Se +, I -'
_chemical_formula_sum            'C13 H11 I N2 O Se'
_chemical_formula_weight         417.10
_chemical_name_systematic
;
1-Methyl-3-(3-oxo-2,3-dihydro-1,2-benzoselenazol-2-yl)pyridin-1-ium iodide
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                84.6180(10)
_cell_angle_beta                 82.2430(10)
_cell_angle_gamma                77.7560(10)
_cell_formula_units_Z            2
_cell_length_a                   7.09260(10)
_cell_length_b                   8.13290(10)
_cell_length_c                   11.83760(10)
_cell_measurement_reflns_used    41098
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      51.0590
_cell_measurement_theta_min      2.9960
_cell_volume                     659.695(14)
_computing_cell_refinement
;
CrysAlis PRO (Rigaku OD, 2020)
;
_computing_data_collection
;
CrysAlis PRO (Rigaku OD, 2020)
;
_computing_data_reduction
;
CrysAlis PRO (Rigaku OD, 2020)
;
_computing_molecular_graphics
;
Mercury (Macrae <i>et al.</i>,  2020)
;
_computing_publication_material
;
WinGX (Farrugia, 2012)
;
_computing_structure_refinement
;
SHELXL2016 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      100.0(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'Rigaku XtaLAB Synergy diffractometer with a Dualflex HyPix detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0553
_diffrn_reflns_av_unetI/netI     0.0293
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            90106
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         51.264
_diffrn_reflns_theta_min         2.568
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    5.175
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.351
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
(CrysAlis PRO; Rigaku OD, 2020)
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    2.100
_exptl_crystal_description       needle
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.464
_exptl_crystal_size_mid          0.064
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.240
_refine_diff_density_min         -1.678
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         14487
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0351
_refine_ls_R_factor_gt           0.0251
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0245P)^2^+0.1355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0555
_refine_ls_wR_factor_ref         0.0580
_reflns_number_gt                12038
_reflns_number_total             14487
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            qz3002.cif
_cod_data_source_block           2-MeIodide
_cod_original_cell_volume        659.696(14)
_cod_database_code               2312683
_shelx_hkl_checksum              27919
_shelx_res_checksum              55056