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

data_7713044
_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         'C20 H10 F34 K2 N4 P2 Se2'
_chemical_formula_sum            'C20 H10 F34 K2 N4 P2 Se2'
_chemical_formula_weight         1250.38
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                112.761(5)
_cell_angle_beta                 101.065(4)
_cell_angle_gamma                92.038(3)
_cell_formula_units_Z            2
_cell_length_a                   11.4047(4)
_cell_length_b                   12.8031(5)
_cell_length_c                   14.8702(9)
_cell_measurement_reflns_used    10607
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      73.0430
_cell_measurement_theta_min      3.2470
_cell_volume                     1950.45(18)
_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      100.01(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 150'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy R, HyPix-Arc 150'
_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  0.1018
_diffrn_reflns_av_unetI/netI     0.0703
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            37310
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.739
_diffrn_reflns_theta_max         67.739
_diffrn_reflns_theta_min         3.306
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'PhotonJet R (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    6.869
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.797
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.112a (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    2.129
_exptl_crystal_description       block
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.130
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.965
_refine_diff_density_min         -1.281
_refine_diff_density_rms         0.187
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     582
_refine_ls_number_reflns         7051
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.1113
_refine_ls_R_factor_gt           0.0906
_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^)+(0.1644P)^2^+5.4860P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2445
_refine_ls_wR_factor_ref         0.2607
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5313
_reflns_number_total             7051
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt01249b2.cif
_cod_data_source_block           5
_cod_original_cell_volume        1950.45(17)
_cod_database_code               7713044
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.469
_shelx_estimated_absorpt_t_max   0.725
_oxdiff_exptl_absorpt_empirical_full_min 0.466
_oxdiff_exptl_absorpt_empirical_full_max 2.285
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              31719
_shelx_fab_checksum              65342