The syntheses, structures and properties of three new lanthanoid thioarsenates: the only example of thioarsenate acting as a ligand to a lanthanide complex.
Zhou, Jian; Liu, Xing; Li, Rong; An, Litao; Hu, Feilong; Chen, Rong; Wei, Yuanchun; Dalton transactions (Cambridge, England : 2003) 42 (2013) 11155–11162; doi:10.1039/c3dt50858g

data_7021679
_publ_section_title
;
 The syntheses, structures and properties of three new lanthanoid
 thioarsenates: the only example of thioarsenate acting as a ligand to a
 lanthanide complex.
;
_journal_issue                   31
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11155
_journal_page_last               11162
_journal_paper_doi               10.1039/c3dt50858g
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C16 H46 As2 La2 N10 S6'
_chemical_formula_sum            'C16 H46 As2 La2 N10 S6'
_chemical_formula_weight         998.71
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 131.55(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.323(4)
_cell_length_b                   15.590(3)
_cell_length_c                   14.257(3)
_cell_measurement_temperature    296(2)
_cell_volume                     3381(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0253
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10562
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    4.832
_exptl_absorpt_correction_T_max  0.4490
_exptl_absorpt_correction_T_min  0.2705
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.962
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1952
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.274
_refine_diff_density_min         -0.793
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         3494
_refine_ls_number_restraints     216
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0255
_refine_ls_R_factor_gt           0.0212
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0238P)^2^+5.3721P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0505
_refine_ls_wR_factor_ref         0.0526
_reflns_number_gt                3128
_reflns_number_total             3494
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt50858g.txt
_cod_data_source_block           3
_cod_original_sg_symbol_Hall     '-C 2yc '
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7021679