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_7060089
_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 2yab'
_space_group_name_H-M_alt        'P 1 21/a 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
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_audit_conform_dict_name         cif_core.dic
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_audit_creation_date             2020-11-17T10:36:36-00:00
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_audit_update_record
;
2020-11-17 deposited with the CCDC.	2020-11-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.783(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5686(4)
_cell_length_b                   21.7486(11)
_cell_length_c                   8.2075(4)
_cell_measurement_reflns_used    9981
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.74
_cell_measurement_wavelength     0.71073
_cell_volume                     1300.07(11)
_computing_cell_refinement       'APEX3 (Bruker, 2015)'
_computing_data_collection       'SAINT (Bruker, 2014)'
_computing_data_reduction        'SAINT (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-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      0.086963
_diffrn_orient_matrix_UB_12      -0.031777
_diffrn_orient_matrix_UB_13      -0.020606
_diffrn_orient_matrix_UB_21      -0.099284
_diffrn_orient_matrix_UB_22      -0.016936
_diffrn_orient_matrix_UB_23      -0.096099
_diffrn_orient_matrix_UB_31      0.037842
_diffrn_orient_matrix_UB_32      0.028593
_diffrn_orient_matrix_UB_33      -0.07982
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0572
_diffrn_reflns_av_unetI/netI     0.0317
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            20013
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.509
_diffrn_reflns_theta_min         2.579
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.663
_exptl_absorpt_correction_T_max  0.753
_exptl_absorpt_correction_T_min  0.447
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.748
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.5
_refine_diff_density_min         -0.648
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2993
_refine_ls_number_restraints     59
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.027
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0235P)^2^+1.4716P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0637
_refine_ls_wR_factor_ref         0.066
_reflns_Friedel_coverage         0
_reflns_number_gt                2631
_reflns_number_total             2993
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0nj05293k2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7060089--7060096.cif.'
_cod_original_sg_symbol_H-M      'P 21/a'
_cod_database_code               7060089
_shelx_res_checksum              29999