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_1513651
_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            'C22 H35 P'
_chemical_formula_weight         330.47
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.71840(10)
_cell_length_b                   11.6807(2)
_cell_length_c                   35.4816(5)
_cell_measurement_reflns_used    3820
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     4027.79(10)
_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 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.037
_diffrn_reflns_av_sigmaI/netI    0.0184
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            23395
_diffrn_reflns_theta_full        66.51
_diffrn_reflns_theta_max         66.51
_diffrn_reflns_theta_min         5.19
_exptl_absorpt_coefficient_mu    1.168
_exptl_absorpt_correction_T_max  0.8921
_exptl_absorpt_correction_T_min  0.8000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.090
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3477
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0356
_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^)+(0.0495P)^2^+1.3760P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.0964
_reflns_number_gt                3291
_reflns_number_total             3477
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc52327f.txt
_cod_data_source_block           erk7074
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1513651