Chalcogen bonding interactions in a series of aromatic selenocyanates
Alfuth, Jan; Jeannin, Olivier; Fourmigué, Marc; CrystEngComm 25 (2023) 5316–5323; doi:10.1039/D3CE00745F

data_7247281
_publ_section_title
;
 Chalcogen bonding interactions in a series of aromatic selenocyanates
;
_journal_issue                   37
_journal_name_full               CrystEngComm
_journal_page_first              5316
_journal_page_last               5323
_journal_paper_doi               10.1039/D3CE00745F
_journal_volume                  25
_journal_year                    2023
_chemical_formula_moiety         'C8 H4 N2 Se2'
_chemical_formula_sum            'C8 H4 N2 Se2'
_chemical_formula_weight         286.05
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_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             2021-11-29T16:07:28-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2023-08-29 deposited with the CCDC.	2023-08-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.563(6)
_cell_length_b                   17.139(8)
_cell_length_c                   4.8436(19)
_cell_measurement_reflns_used    894
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.6
_cell_measurement_theta_min      3.52
_cell_measurement_wavelength     0.71073
_cell_volume                     959.9(8)
_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)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 CCD-LDI-APEX2
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'APEXII Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_orient_matrix_UB_11      -0.063412
_diffrn_orient_matrix_UB_12      -0.039673
_diffrn_orient_matrix_UB_13      0.00171
_diffrn_orient_matrix_UB_21      -0.058812
_diffrn_orient_matrix_UB_22      0.042775
_diffrn_orient_matrix_UB_23      -0.002105
_diffrn_orient_matrix_UB_31      0.000075
_diffrn_orient_matrix_UB_32      -0.000765
_diffrn_orient_matrix_UB_33      -0.20644
_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  0.0792
_diffrn_reflns_av_unetI/netI     0.0805
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            5309
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.524
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.648
_exptl_absorpt_correction_T_max  0.858
_exptl_absorpt_correction_T_min  0.582
_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    1.979
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.056
_refine_diff_density_min         -1.424
_refine_diff_density_rms         0.24
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     58
_refine_ls_number_reflns         1132
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.1206
_refine_ls_R_factor_gt           0.0688
_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^)+(0.1224P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1798
_refine_ls_wR_factor_ref         0.2156
_reflns_Friedel_coverage         0
_reflns_number_gt                672
_reflns_number_total             1132
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ce00745f2.cif
_cod_data_source_block           shelx_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7247280--7247285.cif.'
_cod_database_code               7247281
_shelx_res_checksum              95282