Tetrachlorocatecholates of triarylarsines as a novel class of Lewis acids
Chishiro, Akane; Akioka, Ippei; Sumida, Akifumi; Oka, Kouki; Tonai, Norimitsu; Yumura, Takashi; Imoto, Hiroaki; Naka, Kensuke; Dalton Transactions  (2022) –; doi:10.1039/D2DT02145E

data_7710899
_publ_section_title
;
 Tetrachlorocatecholates of triarylarsines as a novel class of Lewis acids
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT02145E
_journal_year                    2022
_chemical_formula_moiety         'C25 H15 As Cl4 O3'
_chemical_formula_sum            'C25 H15 As Cl4 O3'
_chemical_formula_weight         580.09
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-04-22
_audit_creation_method
;
Olex2 1.3-ac4
(compiled 2020.11.27 svn.r5f609507 for Rigaku Oxford Diffraction, GUI svn.r6214)
;
_audit_update_record
;
2022-03-04 deposited with the CCDC.	2022-07-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.801(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7641(3)
_cell_length_b                   16.2724(6)
_cell_length_c                   15.7928(5)
_cell_measurement_reflns_used    5175
_cell_measurement_temperature    93.15
_cell_measurement_theta_max      32.4360
_cell_measurement_theta_min      2.8520
_cell_volume                     2244.36(13)
_computing_cell_refinement       'CrysAlisPro 1.171.41.104a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.104a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.104a (Rigaku OD, 2021)'
_computing_molecular_graphics    'Olex2 1.3-ac4 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3-ac4 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      93.15
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 6.83
_diffrn_detector_type            'Rigaku Mercury area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -30.00  50.00   1.00    1.61    --   30.00  54.00-180.00   80
  2  \w    -63.00 119.00   1.00    1.61    --   30.00  54.00  90.00  182
;
_diffrn_measurement_device       'two-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Mini (JP)'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0474974000
_diffrn_orient_matrix_UB_12      0.0045000000
_diffrn_orient_matrix_UB_13      -0.0339477000
_diffrn_orient_matrix_UB_21      -0.0633163000
_diffrn_orient_matrix_UB_22      -0.0087984000
_diffrn_orient_matrix_UB_23      -0.0295645000
_diffrn_orient_matrix_UB_31      -0.0181074000
_diffrn_orient_matrix_UB_32      0.0424474000
_diffrn_orient_matrix_UB_33      -0.0025481000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0214
_diffrn_reflns_av_unetI/netI     0.0296
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10347
_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         26.369
_diffrn_reflns_theta_min         2.647
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.019
_exptl_absorpt_correction_T_max  0.884
_exptl_absorpt_correction_T_min  0.854
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.104a (Rigaku Oxford Diffraction, 2021)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.37
_refine_diff_density_max         0.326
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.061
_refine_ls_extinction_coef       0.0005(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         4569
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0241
_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^)+(0.0244P)^2^+1.0875P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0561
_refine_ls_wR_factor_ref         0.0592
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3968
_reflns_number_total             4569
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt02145e2.cif
_cod_data_source_block           7
_cod_database_code               7710899
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         AsClCOH
_shelx_estimated_absorpt_t_max   0.522
_shelx_estimated_absorpt_t_min   0.477
_reflns_odcompleteness_completeness 99.83
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C20(H20), C13(H13), C10(H10), C21(H21), C19(H19), C16(H16), C23(H23),
 C24(H24), C12(H12), C11(H11), C17(H17), C18(H18)
2.b Idealised Me refined as rotating group:
 C25(H25A,H25B,H25C)
;
_shelx_res_checksum              98267
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.067
_oxdiff_exptl_absorpt_empirical_full_min 0.935