AEuAsS3 (A = Li, K, Rb, and Cs): New As3+ Species from an Arsenic-Rich Polysulfide Flux
Tarun K. Bera; Mercouri G. Kanatzidis; Inorganic Chemistry 47 (2008) 7068–7070; doi:10.1021/ic801017h

data_4306095
_publ_section_title
;
AEuAsS3 (A = Li, K, Rb, and Cs): New As3+ Species from an Arsenic-Rich
Polysulfide Flux
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7068
_journal_page_last               7070
_journal_paper_doi               10.1021/ic801017h
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'As Eu Rb S3'
_chemical_formula_weight         408.53
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.844(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0795(8)
_cell_length_b                   8.3669(8)
_cell_length_c                   8.6752(8)
_cell_measurement_reflns_used    7053
_cell_measurement_temperature    100
_cell_measurement_theta_max      31.20
_cell_measurement_theta_min      2.33
_cell_volume                     633.99(10)
_computing_cell_refinement       X-area
_computing_data_collection       X-area
_computing_data_reduction        X-area
_computing_molecular_graphics    Diamond
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  IPDS2
_diffrn_measurement_method       'profile data from \w scan'
_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  0.0407
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7053
_diffrn_reflns_theta_full        31.20
_diffrn_reflns_theta_max         31.20
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    23.543
_exptl_absorpt_correction_T_max  0.3910
_exptl_absorpt_correction_T_min  0.0580
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   XRED32
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    4.280
_exptl_crystal_density_meas      4.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             724
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.121
_refine_diff_density_min         -1.203
_refine_diff_density_rms         0.226
_refine_ls_extinction_coef       0.0058(2)
_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   1.168
_refine_ls_matrix_type           full
_refine_ls_number_parameters     56
_refine_ls_number_reflns         2047
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.168
_refine_ls_R_factor_all          0.0235
_refine_ls_R_factor_gt           0.0210
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0040P)^2^+4.3187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0412
_refine_ls_wR_factor_ref         0.0455
_reflns_number_gt                1945
_reflns_number_total             2047
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801017h-file001_3.cif
_cod_data_source_block           RbEuAsS3
_cod_database_code               4306095