New insights into chalcogen bonding provided by co-crystal structures of benzisoselenazolinone derivatives and nitrogen bases
Fellowes, Thomas; White, Jonathan M.; CrystEngComm 21 (2019) 1539–; doi:10.1039/C8CE01853G

data_7232216
_publ_section_title
;
 New insights into chalcogen bonding provided by co-crystal structures of
 benzisoselenazolinone derivatives and nitrogen bases
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              1539
_journal_paper_doi               10.1039/C8CE01853G
_journal_volume                  21
_journal_year                    2019
_chemical_formula_sum            'C21 H18 N4 O Se'
_chemical_formula_weight         421.35
_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-2016/6
_audit_update_record
;
2018-09-12 deposited with the CCDC.
2018-11-08 downloaded from the CCDC.
;
_cell_angle_alpha                111.687(2)
_cell_angle_beta                 109.283(2)
_cell_angle_gamma                96.631(2)
_cell_formula_units_Z            2
_cell_length_a                   8.8093(2)
_cell_length_b                   10.7445(2)
_cell_length_c                   10.9812(2)
_cell_measurement_reflns_used    20172
_cell_measurement_temperature    100.00(10)
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_cell_measurement_theta_min      2.5420
_cell_volume                     877.57(4)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_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  0.0547
_diffrn_reflns_av_unetI/netI     0.0504
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.971
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            56053
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         41.067
_diffrn_reflns_theta_min         2.182
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.159
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.91296
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.595
_exptl_crystal_description       block
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.187
_exptl_crystal_size_mid          0.116
_exptl_crystal_size_min          0.057
_refine_diff_density_max         0.763
_refine_diff_density_min         -0.409
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         11273
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0416P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0872
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8667
_reflns_number_total             11273
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce01853g2.cif
_cod_data_source_block           3-DMAP
_cod_depositor_comments
'Adding full bibliography for 7232209--7232217.cif.'
_cod_original_cell_volume        877.57(3)
_cod_database_code               7232216
_shelx_shelxl_version_number     2016/6
_chemical_oxdiff_usercomment     'Se Dimer with DMAP repeat of jmwtf78'
_oxdiff_exptl_absorpt_empirical_full_min 0.786
_oxdiff_exptl_absorpt_empirical_full_max 1.451
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              97652