The thiocyanate anion as a polydentate halogen bond acceptor
Cauliez, Pascal; Polo, Victor; Roisnel, Thierry; Llusar, Rosa; Fourmigué, Marc; CrystEngComm 12 (2010) 558–; doi:10.1039/b913559f

data_7211715
_publ_section_title
;
 The thiocyanate anion as a polydentate halogen bond acceptor
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              558
_journal_paper_doi               10.1039/b913559f
_journal_volume                  12
_journal_year                    2010
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C8 H20 N, 2(C6 F4 I2), C N S'
_chemical_formula_sum            'C21 H20 F8 I4 N2 S'
_chemical_formula_weight         992.05
_chemical_name_systematic
;
tetraethylammonium thiocyanate, bis[(1,2-diiodo)tetrafluorobenzene]
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2008-01-29T18:46:43-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.809(7)
_cell_length_b                   16.566(8)
_cell_length_c                   21.461(8)
_cell_measurement_reflns_used    4570
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.29
_cell_measurement_wavelength     0.71073
_cell_volume                     5620(4)
_computing_cell_refinement       'Bruker SMART, 2006'
_computing_data_collection       'Bruker SMART, 2006'
_computing_data_reduction        'Bruker SAINT, 2006'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0741
_diffrn_reflns_av_unetI/netI     0.0889
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            18884
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.43
_exptl_absorpt_coefficient_mu    4.577
_exptl_absorpt_correction_T_max  0.795
_exptl_absorpt_correction_T_min  0.104
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       stick
_exptl_crystal_F_000             3680
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.631
_refine_diff_density_min         -2.351
_refine_diff_density_rms         0.307
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.988
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         6355
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.077
_refine_ls_R_factor_gt           0.0518
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0775P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.126
_refine_ls_wR_factor_ref         0.1418
_reflns_number_gt                4621
_reflns_number_total             6355
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b913559f.txt
_cod_data_source_block           job
_cod_original_cell_volume        5621(4)
_cod_database_code               7211715