Dithienoarsinines: stable and planar π-extended arsabenzenes.
Sumida, Akifumi; Saeki, Akinori; Matsuo, Kyohei; Naka, Kensuke; Imoto, Hiroaki; Chemical science 16 (2025) 1126–1135; doi:10.1039/d4sc06590e

data_1573225
_publ_section_title
;
 Dithienoarsinines: stable and planar &#x3c0;-extended arsabenzenes.
;
_journal_issue                   3
_journal_name_full               'Chemical science'
_journal_page_first              1126
_journal_page_last               1135
_journal_paper_doi               10.1039/d4sc06590e
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C17 H9 As S2'
_chemical_formula_sum            'C17 H9 As S2'
_chemical_formula_weight         352.28
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-05-23
_audit_creation_method
;
Olex2 1.5-ac5-024
(compiled 2022.04.12 svn.rca3783a0 for Rigaku Oxford Diffraction, GUI svn.r6498)
;
_audit_update_record
;
2024-09-20 deposited with the CCDC.	2024-11-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.422(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.4892(12)
_cell_length_b                   8.5408(7)
_cell_length_c                   23.219(2)
_cell_measurement_reflns_used    1154
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.0140
_cell_measurement_theta_min      2.8570
_cell_volume                     2652.6(4)
_computing_cell_refinement       'CrysAlisPro 1.171.42.91a (Rigaku OD, 2023)'
_computing_data_collection       'CrysAlisPro 1.171.42.91a (Rigaku OD, 2023)'
_computing_data_reduction        'CrysAlisPro 1.171.42.91a (Rigaku OD, 2023)'
_computing_molecular_graphics    'Olex2 1.5-ac5-024 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-ac5-024 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_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     16.00 105.00   1.00    4.00    --   30.00  54.00   0.00   89
  2  \w    -49.00 111.00   1.00    4.00    --   30.00  54.00 120.00  160
;
_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      -0.0283140000
_diffrn_orient_matrix_UB_12      0.0515340000
_diffrn_orient_matrix_UB_13      -0.0196683000
_diffrn_orient_matrix_UB_21      -0.0331016000
_diffrn_orient_matrix_UB_22      0.0139534000
_diffrn_orient_matrix_UB_23      0.0207992000
_diffrn_orient_matrix_UB_31      0.0302511000
_diffrn_orient_matrix_UB_32      0.0635990000
_diffrn_orient_matrix_UB_33      0.0113946000
_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  0.0661
_diffrn_reflns_av_unetI/netI     0.1079
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            5607
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.370
_diffrn_reflns_theta_min         2.830
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.861
_exptl_absorpt_correction_T_max  0.966
_exptl_absorpt_correction_T_min  0.888
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.91a (Rigaku Oxford Diffraction, 2023)
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            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.764
_exptl_crystal_description       plate
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.514
_exptl_crystal_size_mid          0.392
_exptl_crystal_size_min          0.098
_refine_diff_density_max         0.729
_refine_diff_density_min         -0.592
_refine_diff_density_rms         0.150
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.993
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2691
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.993
_refine_ls_R_factor_all          0.0830
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0192P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0847
_refine_ls_wR_factor_ref         0.1027
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1868
_reflns_number_total             2691
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc06590e2.cif
_cod_data_source_block           3c
_cod_depositor_comments
'Adding full bibliography for 1573224--1573235.cif.'
_cod_database_code               1573225
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         C17H9S2As
_shelx_estimated_absorpt_t_max   0.767
_shelx_estimated_absorpt_t_min   0.321
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C13(H13), C16(H16), C14(H14), C11(H11), C10(H10), C15(H15), C8(H8),
 C9(H9)
;
_shelx_res_checksum              33745
_shelx_hkl_checksum              69480
_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 1.162
_oxdiff_exptl_absorpt_empirical_full_min 0.854