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_7710897
_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         'C24 H15 As Cl4 O2'
_chemical_formula_sum            'C24 H15 As Cl4 O2'
_chemical_formula_weight         552.08
_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
_audit_creation_date             2021-03-23
_audit_creation_method
;
Olex2 1.3-ac4
(compiled 2019.04.23 svn.r3594 for Rigaku Oxford Diffraction, GUI svn.r5739)
;
_audit_update_record
;
2022-03-04 deposited with the CCDC.	2022-07-29 downloaded from the CCDC.
;
_cell_angle_alpha                79.380(5)
_cell_angle_beta                 83.286(5)
_cell_angle_gamma                70.007(6)
_cell_formula_units_Z            2
_cell_length_a                   9.4381(7)
_cell_length_b                   10.9659(8)
_cell_length_c                   11.5914(6)
_cell_measurement_reflns_used    3179
_cell_measurement_temperature    93.15
_cell_measurement_theta_max      32.6290
_cell_measurement_theta_min      2.9960
_cell_volume                     1106.18(14)
_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 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      93.15
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 6.83
_diffrn_detector_type            'Rigaku Mercury area detector'
_diffrn_measured_fraction_theta_full 0.998
_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      2.00  33.00   1.00    1.00    --   30.00  54.00-180.00   31
  2  \w    -63.00 -35.00   1.00    1.00    --   30.00  54.00 -90.00   28
  3  \w     38.00 119.00   1.00    1.00    --   30.00  54.00 -90.00   81
  4  \w    -69.00 113.00   1.00    1.00    --   30.00  54.00  60.00  182
;
_diffrn_measurement_device       'fixed-chi diffractometer'
_diffrn_measurement_device_type  'Rigaku XtaLAB mini'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0419068000
_diffrn_orient_matrix_UB_12      0.0412064000
_diffrn_orient_matrix_UB_13      0.0054327000
_diffrn_orient_matrix_UB_21      -0.0682719000
_diffrn_orient_matrix_UB_22      0.0519755000
_diffrn_orient_matrix_UB_23      0.0080274000
_diffrn_orient_matrix_UB_31      0.0004675000
_diffrn_orient_matrix_UB_32      -0.0213123000
_diffrn_orient_matrix_UB_33      0.0616065000
_diffrn_radiation_monochromator  'curved graphite'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0182
_diffrn_reflns_av_unetI/netI     0.0379
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6358
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.372
_diffrn_reflns_theta_min         2.809
_diffrn_source                   'Sealed X-ray tube'
_diffrn_source_type              'Sealed X-ray tube'
_exptl_absorpt_coefficient_mu    2.040
_exptl_absorpt_correction_T_max  0.836
_exptl_absorpt_correction_T_min  0.583
_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    1.658
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.91
_exptl_crystal_size_mid          0.53
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.903
_refine_diff_density_min         -0.481
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0406
_refine_ls_R_factor_gt           0.0349
_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^)+(0.0442P)^2^+0.9943P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0854
_refine_ls_wR_factor_ref         0.0889
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4017
_reflns_number_total             4522
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt02145e2.cif
_cod_data_source_block           1
_cod_database_code               7710897
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         CHOClAs
_shelx_estimated_absorpt_t_max   0.630
_shelx_estimated_absorpt_t_min   0.258
_diffrn_oxdiff_digest_frames
;
0187875f5094a2028f4140474e5ee590c20032241eb
;
_diffrn_oxdiff_digest_hkl
;
0136c4f7516ef4f6d7c3574ce993efa58917a5
;
_reflns_odcompleteness_completeness 99.87
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C3(H3), C12(H12), C21(H21), C24(H24), C8(H8), C6(H6), C20(H20),
 C19(H19), C5(H5), C4(H4), C22(H22), C9(H9), C11(H11), C10(H10)
;
_shelx_res_checksum              213
_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 1.348
_oxdiff_exptl_absorpt_empirical_full_min 0.843