Thiophene synthesis via 1,1-carboboration
Eller, Christina; Kehr, Gerald; Daniliuc, Constantin G.; Stephan, Douglas W.; Erker, Gerhard; Chemical Communications (Cambridge, United Kingdom) 51 (2015) 7226–7229; doi:10.1039/c5cc01806d

data_7117014
_publ_section_title
;
 Thiophene synthesis via 1,1-carboboration
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   33
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              7226
_journal_page_last               7229
_journal_paper_doi               10.1039/c5cc01806d
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C30 H18 B F15 S'
_chemical_formula_weight         706.31
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-01-22 deposited with the CCDC.
2015-03-19 downloaded from the CCDC.
;
_cell_angle_alpha                78.9000(10)
_cell_angle_beta                 87.8210(10)
_cell_angle_gamma                81.2410(10)
_cell_formula_units_Z            2
_cell_length_a                   8.96400(10)
_cell_length_b                   10.71860(10)
_cell_length_c                   15.81700(10)
_cell_measurement_reflns_used    4627
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     1473.84(2)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.047
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            19049
_diffrn_reflns_theta_full        66.91
_diffrn_reflns_theta_max         66.91
_diffrn_reflns_theta_min         4.25
_exptl_absorpt_coefficient_mu    2.061
_exptl_absorpt_correction_T_max  0.7900
_exptl_absorpt_correction_T_min  0.6833
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.592
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             708
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.235
_refine_diff_density_min         -0.224
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     430
_refine_ls_number_reflns         5106
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0525P)^2^+0.6229P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1087
_reflns_number_gt                4553
_reflns_number_total             5106
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc01806d2.cif
_cod_data_source_block           erk7267
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7117014