Cu<sub>4</sub>I<sub>4</sub>-cubane clusters based on 10-(aryl)phenoxarsines and their luminescence.
Galimova, Milyausha F.; Zueva, Ekaterina M.; Dobrynin, Alexey B.; Samigullina, Aida I.; Musin, Rustem R.; Musina, Elvira I.; Karasik, Andrey A.; Dalton transactions (Cambridge, England : 2003) 49 (2020) 482–491; doi:10.1039/c9dt04122b

data_7702951
_publ_section_title
;
 Cu<sub>4</sub>I<sub>4</sub>-cubane clusters based on
 10-(aryl)phenoxarsines and their luminescence.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              482
_journal_page_last               491
_journal_paper_doi               10.1039/c9dt04122b
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C19 H15 As O2'
_chemical_formula_sum            'C19 H15 As O2'
_chemical_formula_weight         350.23
_chemical_name_systematic        10-(o-methoxyphenyl)phenoxarsine
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2019-10-18 deposited with the CCDC.	2019-12-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.010(4)
_cell_length_b                   29.907(6)
_cell_length_c                   6.3046(13)
_cell_measurement_reflns_used    4911
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.28
_cell_measurement_theta_min      2.63
_cell_volume                     3018.7(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0774
_diffrn_reflns_av_unetI/netI     0.0808
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            28319
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.965
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.085
_diffrn_reflns_theta_min         1.362
_exptl_absorpt_coefficient_mu    2.256
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5967
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.541
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.621
_refine_diff_density_min         -0.645
_refine_diff_density_rms         0.199
_refine_ls_abs_structure_details
;
 Flack x determined using 2013 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.022(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         7085
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0647
_refine_ls_R_factor_gt           0.0403
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0567P)^2^+0.3009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0892
_refine_ls_wR_factor_ref         0.1234
_reflns_Friedel_coverage         0.784
_reflns_Friedel_fraction_full    0.976
_reflns_Friedel_fraction_max     0.931
_reflns_number_gt                5492
_reflns_number_total             7085
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt04122b2.cif
_cod_data_source_block           mil18
_cod_depositor_comments
'Adding full bibliography for 7702948--7702952.cif.'
_cod_original_cell_volume        3018.7(11)
_cod_database_code               7702951
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              69774