Electrophilic phosphonium cations (EPCs) with perchlorinated-aryl substituents: towards air-stable phosphorus-based Lewis acid catalysts.
Postle, Shawn; Podgorny, Vitali; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 14651–14657; doi:10.1039/c6dt01339b

data_7039097
_publ_section_title
;
 Electrophilic phosphonium cations (EPCs) with perchlorinated-aryl
 substituents: towards air-stable phosphorus-based Lewis acid catalysts.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14651
_journal_page_last               14657
_journal_paper_doi               10.1039/c6dt01339b
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C18 H10 Cl5 F2 P'
_chemical_formula_sum            'C18 H10 Cl5 F2 P'
_chemical_formula_weight         472.51
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_audit_creation_date             2016-03-03
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-04-04 deposited with the CCDC.
2016-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.2850(4)
_cell_length_b                   10.8896(4)
_cell_length_c                   30.4034(11)
_cell_measurement_reflns_used    9943
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.25
_cell_volume                     3736.2(2)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine (Bourhis et al., 2015)'
_diffrn_ambient_temperature      150.03
_diffrn_measured_fraction_theta_full 0.9991
_diffrn_measured_fraction_theta_max 0.9988
_diffrn_measurement_device_type  'Bruker Apex II CCD detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0270
_diffrn_reflns_av_unetI/netI     0.0163
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            31216
_diffrn_reflns_theta_full        27.4884
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    0.882
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6603
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0502 before and 0.0387 after correction.
The Ratio of minimum to maximum transmission is 0.8856.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.6799
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             1895.4695
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.3881
_refine_diff_density_min         -0.2881
_refine_diff_density_rms         0.0688
_refine_ls_d_res_high            0.7699
_refine_ls_d_res_low             9.0612
_refine_ls_goodness_of_fit_ref   1.0658
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    20
_refine_ls_number_parameters     234
_refine_ls_number_reflns         4289
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.0658
_refine_ls_R_factor_all          0.0334
_refine_ls_R_factor_gt           0.0255
_refine_ls_shift/su_max          0.0000
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0274P)^2^+2.2038P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0603
_refine_ls_wR_factor_ref         0.0654
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              14
_reflns_limit_h_min              0
_reflns_limit_k_max              14
_reflns_limit_k_min              0
_reflns_limit_l_max              39
_reflns_limit_l_min              0
_reflns_number_gt                3665
_reflns_number_total             4289
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            c6dt01339b2.cif
_cod_data_source_block           pre_a
_cod_depositor_comments
'Adding full bibliography for 7039093--7039097.cif.'
_cod_database_code               7039097
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C22(H22), C23(H23), C24(H24), C25(H25), C26(H26), C32(H32), C33(H33),
 C34(H34), C35(H35), C36(H36)
;
_olex2_submission_special_instructions 'No special instructions were received'