Chalcogen bonding interactions in organic selenocyanates: from cooperativity to chelation
Jeannin, Olivier; Huynh, Huu-Tri; Riel, Asia Marie S.; Fourmigué, Marc; New Journal of Chemistry 42 (2018) 10502–; doi:10.1039/C8NJ00554K

data_7057105
_publ_section_title
;
 Chalcogen bonding interactions in organic selenocyanates: from
 cooperativity to chelation
;
_journal_issue                   13
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              10502
_journal_paper_doi               10.1039/C8NJ00554K
_journal_volume                  42
_journal_year                    2018
_chemical_formula_moiety         'C14 H10 N4 Se4'
_chemical_formula_sum            'C14 H10 N4 Se4'
_chemical_formula_weight         550.1
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_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             2017-03-08T15:43:45-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2018-01-31 deposited with the CCDC.
2018-03-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.451(14)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.4173(12)
_cell_length_b                   13.172(3)
_cell_length_c                   11.795(2)
_cell_measurement_reflns_used    1197
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.14
_cell_measurement_theta_min      2.33
_cell_measurement_wavelength     0.71073
_cell_volume                     834.5(3)
_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-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      -0.152531
_diffrn_orient_matrix_UB_12      -0.034956
_diffrn_orient_matrix_UB_13      0.019876
_diffrn_orient_matrix_UB_21      -0.097579
_diffrn_orient_matrix_UB_22      0.027344
_diffrn_orient_matrix_UB_23      -0.07124
_diffrn_orient_matrix_UB_31      0.043247
_diffrn_orient_matrix_UB_32      -0.061593
_diffrn_orient_matrix_UB_33      -0.042907
_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  0.0655
_diffrn_reflns_av_unetI/netI     0.0747
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6327
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.638
_diffrn_reflns_theta_min         2.329
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.792
_exptl_absorpt_correction_T_max  0.916
_exptl_absorpt_correction_T_min  0.810
_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    2.189
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             516
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.745
_refine_diff_density_min         -0.632
_refine_diff_density_rms         0.14
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.914
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1923
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.914
_refine_ls_R_factor_all          0.0826
_refine_ls_R_factor_gt           0.0439
_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^)+(0.0654P)^2^+0.1321P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.101
_refine_ls_wR_factor_ref         0.1185
_reflns_Friedel_coverage         0
_reflns_number_gt                1281
_reflns_number_total             1923
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj00554k1.cif
_cod_data_source_block           2
_cod_depositor_comments
'Adding full bibliography for 7057104--7057109.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7057105
_shelx_res_checksum              36541