The frustrated Lewis pair pathway to methylene phosphonium systems
Hasegawa, Yasuharu; Kehr, Gerald; Ehrlich, Stephan; Grimme, Stefan; Daniliuc, Constantin G.; Erker, Gerhard; Chemical Science 5 (2014) 797–; doi:10.1039/c3sc52327f

data_1513649
_publ_section_title
;
 The frustrated Lewis pair pathway to methylene phosphonium systems
;
_journal_issue                   2
_journal_name_full               'Chemical Science'
_journal_page_first              797
_journal_paper_doi               10.1039/c3sc52327f
_journal_volume                  5
_journal_year                    2014
_chemical_formula_sum            'C34 H38 B F10 P'
_chemical_formula_weight         678.42
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.201(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7438(4)
_cell_length_b                   17.8343(5)
_cell_length_c                   18.5450(5)
_cell_measurement_reflns_used    5619
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     3412.26(19)
_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 0.968
_diffrn_measured_fraction_theta_max 0.968
_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  0.040
_diffrn_reflns_av_sigmaI/netI    0.0251
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23360
_diffrn_reflns_theta_full        66.92
_diffrn_reflns_theta_max         66.92
_diffrn_reflns_theta_min         4.31
_exptl_absorpt_coefficient_mu    1.405
_exptl_absorpt_correction_T_max  0.8495
_exptl_absorpt_correction_T_min  0.7203
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.431
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     492
_refine_ls_number_reflns         5881
_refine_ls_number_restraints     153
_refine_ls_restrained_S_all      1.158
_refine_ls_R_factor_all          0.0710
_refine_ls_R_factor_gt           0.0611
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0728P)^2^+1.7672P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1550
_refine_ls_wR_factor_ref         0.1644
_reflns_number_gt                4915
_reflns_number_total             5881
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc52327f.txt
_cod_data_source_block           erk6852
_cod_original_cell_volume        3412.26(18)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1513649