RE<sub>2</sub>[B<sub>2</sub>(SO<sub>4</sub>)<sub>6</sub>] (RE = Y, La-Nd, Sm, Eu, Tb-Lu): a silicate-analogous host structure with weak coordination behaviour.
Netzsch, Philip; Hämmer, Matthias; Gross, Peter; Bariss, Harijs; Block, Theresa; Heletta, Lukas; Pöttgen, Rainer; Bruns, Jörn; Huppertz, Hubert; Höppe, Henning A; Dalton transactions (Cambridge, England : 2003) 48 (2019) 4387–4397; doi:10.1039/c9dt00445a

data_7049231
_publ_section_title
;
 RE<sub>2</sub>[B<sub>2</sub>(SO<sub>4</sub>)<sub>6</sub>] (RE = Y, La-Nd,
 Sm, Eu, Tb-Lu): a silicate-analogous host structure with weak
 coordination behaviour.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4387
_journal_page_last               4397
_journal_paper_doi               10.1039/c9dt00445a
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'B2 Eu2 O24 S6'
_chemical_formula_weight         901.90
_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'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 93.465(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.602(6)
_cell_length_b                   11.470(5)
_cell_length_c                   11.050(5)
_cell_measurement_reflns_used    1541
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.32
_cell_volume                     1720.8(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      300(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       'omega 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  0.0624
_diffrn_reflns_av_sigmaI/netI    0.0670
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6047
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    8.086
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.5053
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 multi-scan absorption correction using SADABS 
(G. M. Sheldrick, (1996). SADABS. Program for Empirical 
Absorption Correction. University of G\"ottingen, Germany.)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.481
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.642
_refine_diff_density_min         -1.745
_refine_diff_density_rms         0.287
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     148
_refine_ls_number_reflns         1968
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0638
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0334P)^2^+6.7381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0745
_refine_ls_wR_factor_ref         0.0784
_reflns_number_gt                1541
_reflns_number_total             1968
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt00445a5.cif
_cod_data_source_block           mo_pn22_0m
_cod_depositor_comments
'Adding full bibliography for 7049219--7049233.cif.'
_cod_original_cell_volume        1720.8(12)
_cod_database_code               7049231