Chalcogen bonding interactions in chelating, chiral bis(selenocyanates)
Huynh, Huu-Tri; Jeannin, Olivier; Aubert, Emmanuel; Espinosa, Enrique; Fourmigué, Marc; New Journal of Chemistry 45 (2021) 76–84; doi:10.1039/D0NJ05293K

data_7060091
_publ_section_title
;
 Chalcogen bonding interactions in chelating, chiral bis(selenocyanates)
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              76
_journal_page_last               84
_journal_paper_doi               10.1039/D0NJ05293K
_journal_volume                  45
_journal_year                    2021
_chemical_formula_moiety         'C12 H12 N2 Se2'
_chemical_formula_sum            'C12 H12 N2 Se2'
_chemical_formula_weight         342.16
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     'direct - structure invariant direct methods'
_atom_sites_solution_secondary   'direct - structure invariant direct methods'
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2020-06-22T10:36:30-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2020-10-23 deposited with the CCDC.	2020-11-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.121(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.5502(6)
_cell_length_b                   7.0090(4)
_cell_length_c                   22.6261(15)
_cell_measurement_reflns_used    5533
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.93
_cell_measurement_theta_min      2.54
_cell_measurement_wavelength     0.71073
_cell_volume                     1355.94(15)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2014)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2014)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2014)'
_computing_molecular_graphics    'Ortep for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR-97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      0.109797
_diffrn_orient_matrix_UB_12      -0.008853
_diffrn_orient_matrix_UB_13      -0.014888
_diffrn_orient_matrix_UB_21      0.006826
_diffrn_orient_matrix_UB_22      -0.134223
_diffrn_orient_matrix_UB_23      0.014766
_diffrn_orient_matrix_UB_31      -0.039707
_diffrn_orient_matrix_UB_32      -0.047555
_diffrn_orient_matrix_UB_33      -0.038906
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0753
_diffrn_reflns_av_unetI/netI     0.0625
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22207
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.481
_diffrn_reflns_theta_min         2.548
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.429
_exptl_absorpt_correction_T_max  0.897
_exptl_absorpt_correction_T_min  0.344
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.676
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.41
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     147
_refine_ls_number_reflns         3062
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0995
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0217P)^2^+2.6924P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0999
_refine_ls_wR_factor_ref         0.1128
_reflns_Friedel_coverage         0
_reflns_number_gt                1862
_reflns_number_total             3062
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0nj05293k2.cif
_cod_data_source_block           syn-SeCN2
_cod_depositor_comments
'Adding full bibliography for 7060089--7060096.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7060091
_shelx_res_checksum              46562