Unsuccessful/successful attempts to produce penta(heteroaryl)-phosphoranes/-arsoranes R5E (E = P, As; R = 2-furyl, 2-thienyl).
Monkowius, Uwe V.; Nogai, Stefan; Schmidbaur, Hubert; Dalton transactions (Cambridge, England : 2003)  (2004) 1610–1617; doi:10.1039/b401988a

data_7014144
_publ_section_title
;
 Unsuccessful/successful attempts to produce
 penta(heteroaryl)-phosphoranes/-arsoranes R5E (E = P, As; R = 2-furyl,
 2-thienyl).
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1610
_journal_page_last               1617
_journal_paper_doi               10.1039/b401988a
_journal_year                    2004
_chemical_formula_sum            'C17 H16 Br O P S4'
_chemical_formula_weight         475.42
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 114.3240(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.05230(10)
_cell_length_b                   13.4590(2)
_cell_length_c                   13.56310(10)
_cell_measurement_reflns_used    52435
_cell_measurement_temperature    143(2)
_cell_volume                     2004.80(4)
_computing_cell_refinement       DENZO
_computing_data_collection       XPRESS
_computing_data_reduction        SCALEPACK
_computing_molecular_graphics    SHELXTL-PLUS
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'NONIUS DIP 2020'
_diffrn_measurement_method       phi-rotation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.039
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            52435
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         3.30
_exptl_absorpt_coefficient_mu    2.549
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.575
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.930
_refine_diff_density_min         -1.018
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         4595
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0433
_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^)+(0.0678P)^2^+3.9801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1191
_refine_ls_wR_factor_ref         0.1210
_reflns_number_gt                4395
_reflns_number_total             4595
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b401988a.txt
_cod_data_source_block           uwe25
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7014144