New insight into the chemistry of selenoureas: synthesis and single crystal structural study of diverse derivatives
Hua, Guoxiong; Du, Junyi; Carpenter-Warren, Cameron L.; Cordes, David B.; Slawin, Alexandra M. Z.; Woollins, J. Derek; New Journal of Chemistry 43 (2019) 7035–; doi:10.1039/C9NJ01059A

data_7058299
_publ_section_title
;
 New insight into the chemistry of selenoureas: synthesis and single
 crystal structural study of diverse derivatives
;
_journal_issue                   18
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              7035
_journal_paper_doi               10.1039/C9NJ01059A
_journal_volume                  43
_journal_year                    2019
_chemical_formula_moiety         'C24 H18 F5 N3 O5 S Se'
_chemical_formula_sum            'C24 H18 F5 N3 O5 S Se'
_chemical_formula_weight         634.44
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2019-03-28
_audit_creation_method           'by CrystalStructure 4.3'
_audit_update_record
;
2019-03-29 deposited with the CCDC.    2019-04-09 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 116.938(6)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   18.2430(12)
_cell_length_b                   7.5672(5)
_cell_length_c                   20.083(2)
_cell_measurement_reflns_used    8131
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.40
_cell_measurement_theta_min      1.30
_cell_volume                     2471.6(4)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b45'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b45'
_computing_molecular_graphics    'CrystalStructure 4.3'
_computing_publication_material  'CrystalStructure 4.3 (Rigaku, 2018)'
_computing_structure_refinement  'SHELXL Version 2018/3 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 13.653
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Rigaku SCX mini'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0558
_diffrn_reflns_av_unetI/netI     0.0357
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            4465
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.372
_diffrn_reflns_theta_min         2.040
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.685
_exptl_absorpt_correction_T_max  0.845
_exptl_absorpt_correction_T_min  0.707
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.705
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1272.00
_exptl_crystal_size_max          0.430
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.65
_refine_diff_density_min         -0.97
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.167
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     355
_refine_ls_number_reflns         4465
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0604
_refine_ls_R_factor_gt           0.0522
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+14.6511P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1451
_refine_ls_wR_factor_ref         0.1493
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3912
_reflns_number_total             4465
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c9nj01059a2.cif
_cod_data_source_block           10c
_cod_depositor_comments
'Adding full bibliography for 7058295--7058306.cif.'
_cod_original_cell_volume        2471.5(4)
_cod_database_code               7058299
_shelx_res_checksum              76509