Al(OCArF3)<sub>3</sub> - a thermally stable Lewis superacid.
Kögel, Julius F; Timoshkin, Alexey Y.; Schröder, Artem; Lork, Enno; Beckmann, Jens; Chemical science 9 (2018) 8178–8183; doi:10.1039/c8sc02981d

data_1550013
_publ_section_title
;
 Al(OCArF3)<sub>3</sub> - a thermally stable Lewis superacid.
;
_journal_issue                   43
_journal_name_full               'Chemical science'
_journal_page_first              8178
_journal_page_last               8183
_journal_paper_doi               10.1039/c8sc02981d
_journal_volume                  9
_journal_year                    2018
_chemical_formula_moiety         'C63 H13 Ag Al F46 N O4'
_chemical_formula_sum            'C63 H13 Ag Al F46 N O4'
_chemical_formula_weight         1856.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2018-01-22 deposited with the CCDC.
2018-10-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.5680(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.7732(3)
_cell_length_b                   24.2075(7)
_cell_length_c                   21.9598(6)
_cell_measurement_reflns_used    9818
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.24
_cell_measurement_theta_min      2.50
_cell_volume                     6258.2(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXL-2017/1 (Sheldrick, 2017)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 7.9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Venture area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0425
_diffrn_reflns_av_unetI/netI     0.0130
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            356555
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.499
_diffrn_reflns_theta_min         2.413
_diffrn_source                   'microfocus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.527
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7014
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0701 before and 0.0527 after correction. The Ratio of minimum to maximum transmission is 0.9401. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.970
_exptl_crystal_description       block
_exptl_crystal_F_000             3616
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.702
_refine_diff_density_min         -0.599
_refine_diff_density_rms         0.057
_refine_ls_extinction_coef       0.00083(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1056
_refine_ls_number_reflns         14369
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0357
_refine_ls_R_factor_gt           0.0297
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0246P)^2^+6.8281P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0682
_refine_ls_wR_factor_ref         0.0709
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12790
_reflns_number_total             14369
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc02981d2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 1550001--1550014.cif.'
_cod_database_code               1550013
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              90022