Probing interactions through space using spin-spin coupling.
Stanford, Martin W.; Knight, Fergus R.; Athukorala Arachchige, Kasun S.; Sanz Camacho, Paula; Ashbrook, Sharon E.; Bühl, Michael; Slawin, Alexandra M. Z.; Woollins, J. Derek; Dalton transactions (Cambridge, England : 2003) 43 (2014) 6548–6560; doi:10.1039/c4dt00408f

data_7030010
_publ_section_title
;
 Probing interactions through space using spin-spin coupling.
;
_journal_issue                   17
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6548
_journal_page_last               6560
_journal_paper_doi               10.1039/c4dt00408f
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C28 H20 Se Te'
_chemical_formula_sum            'C28 H20 Se Te'
_chemical_formula_weight         563.03
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 95.737(7)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   29.375(3)
_cell_length_b                   7.6824(8)
_cell_length_c                   19.0439(19)
_cell_measurement_reflns_used    13351
_cell_measurement_temperature    125
_cell_measurement_theta_max      25.36
_cell_measurement_theta_min      2.15
_cell_volume                     4276.1(8)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r5'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r5 (Rigaku, 2010)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r5'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      125
_diffrn_detector_area_resol_mean 14.286
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku Saturn70'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0351
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15814
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.107
_exptl_absorpt_correction_T_max  0.911
_exptl_absorpt_correction_T_min  0.727
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.749
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             2192.00
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.740
_refine_diff_density_min         -0.390
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3763
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0248
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0066P)^2^+15.4474P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0539
_reflns_number_gt                3369
_reflns_number_total             3763
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c4dt00408f2.cif
_cod_data_source_block           mws17-fs
_cod_database_code               7030010