(2-Pyridyloxy)arsines as ligands in transition metal chemistry: a stepwise As(iii) → As(ii) → As(i) reduction.
Gericke, Robert; Wagler, Jörg; Dalton transactions (Cambridge, England : 2003) 49 (2020) 10042–10051; doi:10.1039/d0dt01538e

data_7704748
_publ_section_title
;
 (2-Pyridyloxy)arsines as ligands in transition metal chemistry: a
 stepwise As(iii) \\rightarrow As(ii) \\rightarrow As(i) reduction.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10042
_journal_page_last               10051
_journal_paper_doi               10.1039/d0dt01538e
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C16 H13 As N2 O2'
_chemical_formula_sum            'C16 H13 As N2 O2'
_chemical_formula_weight         340.20
_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
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2020-04-04 deposited with the CCDC.	2020-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                85.179(4)
_cell_angle_beta                 73.420(3)
_cell_angle_gamma                70.026(3)
_cell_formula_units_Z            2
_cell_length_a                   8.3588(4)
_cell_length_b                   9.2389(4)
_cell_length_c                   10.3537(5)
_cell_measurement_reflns_used    20049
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.53
_cell_measurement_theta_min      2.05
_cell_volume                     720.15(6)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'ORTEP32 (Farugia)'
_computing_publication_material  'Ciftab (Sheldrick)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Stoe IPDS-2T'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0584
_diffrn_reflns_av_unetI/netI     0.0273
_diffrn_reflns_Laue_measured_fraction_full 0.999
_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       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            18924
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        27.999
_diffrn_reflns_theta_max         27.999
_diffrn_reflns_theta_min         2.053
_exptl_absorpt_coefficient_mu    2.365
_exptl_absorpt_correction_T_max  0.7399
_exptl_absorpt_correction_T_min  0.4659
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   XShape
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_description       block
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.380
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.392
_refine_diff_density_min         -0.701
_refine_diff_density_rms         0.064
_refine_ls_extinction_coef       0.0079(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         3465
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0277
_refine_ls_R_factor_gt           0.0257
_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^)+(0.0313P)^2^+0.3427P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0662
_refine_ls_wR_factor_ref         0.0673
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3298
_reflns_number_total             3465
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt01538e2.cif
_cod_data_source_block           RGP10901
_cod_depositor_comments
'Adding full bibliography for 7704746--7704751.cif.'
_cod_original_cell_volume        720.16(6)
_cod_database_code               7704748
_shelx_estimated_absorpt_t_min   0.416
_shelx_estimated_absorpt_t_max   0.718
_shelxl_version_number           2013-4
_shelx_res_checksum              78180