Anionic N-Heterocyclic Carbenes Featuring Weakly Coordinating Perfluoroalkylphosphorane Moieties
Zapf, Ludwig; Radius, Udo; Finze, Maik; Dalton Transactions  (2023) –; doi:10.1039/D3DT01249B

data_7713046
_publ_section_title
;
 Anionic N-Heterocyclic Carbenes Featuring Weakly Coordinating
 Perfluoroalkylphosphorane Moieties
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT01249B
_journal_year                    2023
_chemical_formula_moiety         'C27 H26 F34 K N2 O6 P2, C20 H40 K O8, C4 H8 O'
_chemical_formula_sum            'C51 H74 F34 K2 N2 O15 P2'
_chemical_formula_weight         1741.26
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-03-30 deposited with the CCDC.	2023-05-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   38.1996(3)
_cell_length_b                   11.61200(10)
_cell_length_c                   16.15950(10)
_cell_measurement_reflns_used    54460
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      77.4330
_cell_measurement_theta_min      2.3220
_cell_volume                     7167.93(9)
_computing_cell_refinement       'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_molecular_graphics    'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_publication_material  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0505
_diffrn_reflns_av_unetI/netI     0.0410
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       48
_diffrn_reflns_limit_h_min       -48
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            80375
_diffrn_reflns_point_group_measured_fraction_full 0.879
_diffrn_reflns_point_group_measured_fraction_max 0.864
_diffrn_reflns_theta_full        72.000
_diffrn_reflns_theta_max         77.617
_diffrn_reflns_theta_min         2.313
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    2.959
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.302
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.120a (Rigaku Oxford Diffraction, 2021)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.613
_exptl_crystal_description       block
_exptl_crystal_F_000             3552
_exptl_crystal_size_max          0.440
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.170
_refine_diff_density_max         0.393
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.488(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.168
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     956
_refine_ls_number_reflns         13209
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.168
_refine_ls_R_factor_all          0.0371
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0060P)^2^+5.0543P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0791
_refine_ls_wR_factor_ref         0.0798
_reflns_Friedel_coverage         0.675
_reflns_Friedel_fraction_full    0.747
_reflns_Friedel_fraction_max     0.724
_reflns_number_gt                12820
_reflns_number_total             13209
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt01249b2.cif
_cod_data_source_block           4
_cod_database_code               7713046
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.356
_shelx_estimated_absorpt_t_max   0.633
_oxdiff_exptl_absorpt_empirical_full_min 0.637
_oxdiff_exptl_absorpt_empirical_full_max 2.012
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              28564